21390660720
21,390,660,720 is an even composite number composed of seven prime numbers multiplied together.
21390660720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of nine hundred sixty divisors.
Prime factorization of 21390660720:
24 × 32 × 5 × 113 × 13 × 17 × 101
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 11 × 11 × 13 × 17 × 101)See below for interesting mathematical facts about the number 21390660720 from the Numbermatics database.
Names of 21390660720
- Cardinal: 21390660720 can be written as Twenty-one billion, three hundred ninety million, six hundred sixty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.139066072 × 1010
Factors of 21390660720
Divisors of 21390660720
- Number of divisors d(n): 960
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 13 15 16 17 18 20 22 24 26 30 33 34 36 39 40 44 45 48 51 52 55 60 65 66 68 72 78 80 85 88 90 99 101 102 104 110 117 120 121 130 132 136 143 144 153 156 165 170 176 180 187 195 198 202 204 208 220 221 234 240 242 255 260 264 272 286 303 306 312 330 340 360 363 374 390 396 404 408 429 440 442 468 484 495 505 510 520 528 561 572 585 605 606 612 624 660 663 680 715 720 726 748 765 780 792 808 816 858 880 884 909 935 936 968 990 1010 1020 1040 1089 1105 1111 1122 1144 1170 1210 1212 1224 1287 1313 1320 1326 1331 1360 1430 1452 1496 1515 1530 1560 1573 1584 1616 1683 1716 1717 1768 1815 1818 1870 1872 1936 1980 1989 2020 2040 2057 2145 2178 2210 2222 2244 2288 2340 2420 2424 2431 2448 2574 2626 2640 2652 2662 2805 2860 2904 2992 3030 3060 3120 3146 3315 3333 3366 3432 3434 3536 3630 3636 3740 3939 3960 3978 3993 4040 4080 4114 4290 4356 4420 4444 4488 4545 4680 4719 4840 4848 4862 5148 5151 5252 5304 5324 5445 5555 5610 5720 5808 6060 6120 6171 6292 6435 6565 6630 6655 6666 6732 6864 6868 7260 7272 7293 7480 7865 7878 7920 7956 7986 8080 8228 8415 8580 8585 8712 8840 8888 8976 9090 9360 9438 9680 9724 9945 9999 10285 10296 10302 10504 10608 10648 10890 11110 11220 11440 11817 11979 12120 12155 12221 12240 12342 12584 12870 13130 13260 13310 13332 13464 13736 14157 14443 14520 14544 14586 14960 15453 15730 15756 15912 15972 16456 16665 16830 17160 17170 17303 17424 17680 17776 18180 18513 18876 18887 19448 19695 19890 19965 19998 20570 20592 20604 21008 21296 21780 21879 22220 22321 22440 22627 23595 23634 23958 24240 24310 24442 24684 25168 25740 25755 26260 26520 26620 26664 26741 26928 27472 28314 28886 29040 29172 30855 30906 31460 31512 31824 31944 32912 33330 33660 34320 34340 34606 36360 36465 36663 37026 37752 37774 38896 39390 39780 39930 39996 41140 41208 43329 43560 43758 44440 44642 44880 45254 47190 47268 47916 48620 48884 49368 49995 51480 51510 51909 52520 53040 53240 53328 53482 56628 56661 57772 58344 59085 59895 61105 61710 61812 62920 63024 63888 66660 66963 67320 67881 68680 69212 70785 72215 72720 72930 73326 74052 75504 75548 77265 78780 79560 79860 79992 80223 82280 82416 86515 86658 87120 87516 88880 89284 90508 92565 94380 94435 94536 95832 97240 97768 98736 99990 102960 103020 103818 105040 106480 106964 109395 109989 111605 113135 113256 113322 115544 116688 118170 119790 122210 123420 123624 125840 129987 133320 133705 133926 134431 134640 135762 137360 138424 141570 144430 145860 146652 148104 151096 154530 155727 157560 158873 159120 159720 159984 160446 164560 169983 173030 173316 175032 178568 181016 183315 185130 188760 188870 189072 191664 194480 195536 199980 200889 203643 206040 207636 207757 213928 216645 218790 219978 223210 226270 226512 226644 231088 236340 239580 240669 244420 245531 246840 247248 259545 259974 266640 267410 267852 268862 271524 276848 283140 283305 288860 291720 293304 294151 296208 302192 309060 311454 315120 317746 319440 320892 334815 339405 339966 346060 346632 350064 357136 362032 366630 370260 377520 377740 399960 401115 401778 403293 407286 412080 415272 415514 427856 433290 437580 439956 446420 452540 453288 472680 476619 479160 481338 488840 491062 493680 519090 519948 534820 535704 537724 543048 549945 566280 566610 577720 583440 586608 588302 618120 622908 623271 635492 641784 649935 669630 672155 678810 679932 692120 693264 733260 736593 740520 755480 778635 794365 799920 802230 803556 806586 814572 830544 831028 849915 866580 875160 879912 882453 892840 905080 906576 945360 953238 958320 962676 977680 982124 1004445 1018215 1038180 1038785 1039896 1069640 1071408 1075448 1086096 1099890 1132560 1133220 1155440 1176604 1203345 1209879 1227655 1236240 1245816 1246542 1270984 1283568 1299870 1339260 1344310 1357620 1359864 1384240 1429857 1466520 1470755 1473186 1481040 1510960 1557270 1588730 1604460 1607112 1613172 1629144 1662056 1699830 1733160 1747603 1750320 1759824 1764906 1785680 1810160 1869813 1906476 1925352 1964248 2008890 2016465 2036430 2076360 2077570 2079792 2139280 2150896 2199780 2209779 2266440 2285327 2353208 2383095 2406690 2419758 2455310 2491632 2493084 2541968 2599740 2647359 2678520 2688620 2700841 2715240 2719728 2859714 2933040 2941510 2946372 3114540 3116355 3177460 3208920 3214224 3226344 3258288 3324112 3399660 3466320 3495206 3529812 3682965 3739626 3812952 3850704 3928496 4017780 4032930 4072860 4152720 4155140 4399560 4412265 4419558 4532880 4570654 4706416 4766190 4813380 4839516 4910620 4986168 5199480 5242809 5294718 5357040 5377240 5401682 5430480 5719428 5883020 5892744 6049395 6229080 6232710 6354920 6417840 6452688 6799320 6855981 6990412 7059624 7149285 7365930 7479252 7625904 8035560 8065860 8102523 8145720 8310280 8738015 8799120 8824530 8839116 9141308 9349065 9532380 9626760 9679032 9821240 9972336 10398960 10485618 10589436 10754480 10803364 11048895 11426635 11438856 11766040 11785488 12098790 12458160 12465420 12709840 13236795 13504205 13598640 13711962 13980824 14119248 14298570 14731860 14958504 15728427 16071120 16131720 16205046 16291440 16620560 17476030 17649060 17678232 18282616 18698130 19064760 19253520 19358064 19642480 20567943 20971236 21178872 21606728 22097790 22853270 22877712 23532080 24197580 24307569 24930840 26214045 26473590 27008410 27423924 27961648 28597140 29463720 29709251 29917008 31456854 32263440 32410092 34279905 34952060 35298120 35356464 36565232 37396260 38129520 40512615 41135886 41942472 42357744 43213456 44195580 45706540 48395160 48615138 49861680 52428090 52947180 54016820 54847848 57194280 58927440 59418502 62913708 64820184 68559810 69904120 70596240 74792520 78642135 81025230 82271772 83884944 88391160 89127753 91413080 96790320 97230276 102839715 104856180 105894360 108033640 109695696 114388560 118837004 121537845 125827416 129640368 137119620 139808240 148546255 149585040 157284270 162050460 164543544 176782320 178255506 182826160 194460552 205679430 209712360 211788720 216067280 237674008 243075690 251654832 267383259 274239240 297092510 314568540 324100920 329087088 356511012 388921104 411358860 419424720 445638765 475348016 486151380 534766518 548478480 594185020 629137080 648201840 713022024 822717720 891277530 972302760 1069533036 1188370040 1258274160 1336916295 1426044048 1645435440 1782555060 1944605520 2139066072 2376740080 2673832590 3565110120 4278132144 5347665180 7130220240 10695330360 21390660720
- Sum of all divisors σ(n): 90990926208
- Sum of proper divisors (its aliquot sum) s(n): 69600265488
- 21390660720 is an abundant number, because the sum of its proper divisors (69600265488) is greater than itself. Its abundance is 48209604768
Bases of 21390660720
- Binary: 100111110101111101110010100011100002
- Hexadecimal: 0x4FAFB9470
- Base-36: 9TRG3G0
Squares and roots of 21390660720
- 21390660720 squared (213906607202) is 457560366038150918400
- 21390660720 cubed (213906607203) is 9787518548841096871650805248000
-
The
square root of 21390660720 is 146255.4638979343 -
The
cube root of 21390660720 is 2775.9271623097
Scales and comparisons
How big is 21390660720?- 21,390,660,720 seconds is equal to 680 years, 8 weeks, 1 day, 2 hours, 12 minutes.
-
To count from 1 to 21,390,660,720 would take you about one thousand, three hundred sixty years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21390660720 cubic inches would be around 231.3 feet tall.
Recreational maths with 21390660720
- 21390660720 backwards is 02706609312
- 21390660720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21390660720's digits is 36
- More coming soon!
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 21390660720 - Facts about the integer". Numbermatics.com. 2024. Web. 6 June 2024.
APA style:
Numbermatics. (2024). Number 21390660720 - Facts about the integer. Retrieved 6 June 2024, from https://numbermatics.com/n/21390660720/
Chicago style:
Numbermatics. 2024. "Number 21390660720 - Facts about the integer". https://numbermatics.com/n/21390660720/
The information we have on file for 21390660720 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
Keywords: Divisors of 21390660720, math, Factors of 21390660720, curriculum, school, college, exams, university, Prime factorization of 21390660720, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, three hundred ninety million, six hundred sixty thousand, seven hundred twenty.