21389288760
21,389,288,760 is an even composite number composed of seven prime numbers multiplied together.
21389288760 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 21389288760:
23 × 33 × 5 × 7 × 19 × 43 × 3463
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 19 × 43 × 3463)See below for interesting mathematical facts about the number 21389288760 from the Numbermatics database.
Names of 21389288760
- Cardinal: 21389288760 can be written as Twenty-one billion, three hundred eighty-nine million, two hundred eighty-eight thousand, seven hundred sixty.
Scientific notation
- Scientific notation: 2.138928876 × 1010
Factors of 21389288760
Divisors of 21389288760
- Number of divisors d(n): 512
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 19 20 21 24 27 28 30 35 36 38 40 42 43 45 54 56 57 60 63 70 72 76 84 86 90 95 105 108 114 120 126 129 133 135 140 152 168 171 172 180 189 190 210 215 216 228 252 258 266 270 280 285 301 315 342 344 360 378 380 387 399 420 430 456 504 513 516 532 540 570 602 630 645 665 684 756 760 774 798 817 840 855 860 903 945 1026 1032 1064 1080 1140 1161 1197 1204 1260 1290 1330 1368 1505 1512 1548 1596 1634 1710 1720 1806 1890 1935 1995 2052 2280 2322 2394 2408 2451 2520 2565 2580 2660 2709 3010 3096 3192 3268 3420 3463 3591 3612 3780 3870 3990 4085 4104 4515 4644 4788 4902 5130 5160 5320 5418 5719 5805 5985 6020 6536 6840 6926 7182 7224 7353 7560 7740 7980 8127 8170 9030 9288 9576 9804 10260 10389 10836 11438 11610 11970 12040 12255 13545 13852 14364 14706 15480 15960 16254 16340 17157 17315 17955 18060 19608 20520 20778 21672 22059 22876 23220 23940 24241 24510 27090 27704 28595 28728 29412 31167 32508 32680 34314 34630 35910 36120 36765 40635 41556 44118 45752 46440 47880 48482 49020 51471 51945 54180 57190 58824 62334 65016 65797 68628 69260 71820 72723 73530 81270 83112 85785 88236 93501 96964 98040 102942 103890 108360 110295 114380 121205 124668 131594 137256 138520 143640 145446 147060 148909 154413 155835 162540 171570 176472 187002 193928 197391 205884 207780 218169 220590 228760 242410 249336 257355 263188 290892 294120 297818 308826 311670 325080 328985 343140 363615 374004 394782 411768 415560 436338 441180 446727 460579 467505 484820 514710 526376 581784 592173 595636 617652 623340 654507 657970 686280 727230 744545 748008 772065 789564 872676 882360 893454 921158 935010 969640 986955 1029420 1042363 1090845 1184346 1191272 1235304 1246680 1309014 1315940 1340181 1381737 1454460 1489090 1544130 1579128 1745352 1776519 1786908 1842316 1870020 1973910 2058840 2084726 2181690 2233635 2302895 2368692 2618028 2631880 2680362 2763474 2829271 2908920 2960865 2978180 3088260 3127089 3272535 3553038 3573816 3684632 3740040 3947820 4020543 4145211 4169452 4363380 4467270 4605790 4737384 5211815 5236056 5360724 5526948 5658542 5921730 5956360 6176520 6254178 6545070 6700905 6908685 7106076 7895640 8041086 8290422 8338904 8487813 8726760 8882595 8934540 9211580 9381267 10423630 10721448 11053896 11317084 11843460 12435633 12508356 13090140 13401810 13817370 14146355 14212152 15635445 16082172 16580844 16975626 17765190 17869080 18423160 18762534 19804897 20102715 20726055 20847260 22634168 23686920 24871266 25016712 25463439 26180280 26803620 27634740 28143801 28292710 31270890 32164344 33161688 33951252 35530380 37525068 39609794 40205430 41452110 41694520 42439065 46906335 49742532 50926878 53607240 55269480 56287602 56585420 59414691 62178165 62541780 67902504 71060760 75050136 76390317 79219588 80410860 82904220 84878130 93812670 99024485 99485064 101853756 112575204 113170840 118829382 124356330 125083560 127317195 140719005 152780634 158439176 160821720 165808440 169756260 178244073 187625340 198048970 203707512 225150408 237658764 248712660 254634390 281438010 297073455 305561268 339512520 356488146 375250680 381951585 396097940 475317528 497425320 509268780 534732219 562876020 594146910 611122536 712976292 763903170 792195880 891220365 1018537560 1069464438 1125752040 1188293820 1425952584 1527806340 1782440730 2138928876 2376587640 2673661095 3055612680 3564881460 4277857752 5347322190 7129762920 10694644380 21389288760
- Sum of all divisors σ(n): 87791616000
- Sum of proper divisors (its aliquot sum) s(n): 66402327240
- 21389288760 is an abundant number, because the sum of its proper divisors (66402327240) is greater than itself. Its abundance is 45013038480
Bases of 21389288760
- Binary: 100111110101110011010100101001110002
- Hexadecimal: 0x4FAE6A538
- Base-36: 9TQMOU0
Squares and roots of 21389288760
- 21389288760 squared (213892887602) is 457501673658662337600
- 21389288760 cubed (213892887603) is 9785635406068414414263005376000
-
The
square root of 21389288760 is 146250.7735364157 -
The
cube root of 21389288760 is 2775.8678133177
Scales and comparisons
How big is 21389288760?- 21,389,288,760 seconds is equal to 680 years, 5 weeks, 6 days, 5 hours, 6 minutes.
-
To count from 1 to 21,389,288,760 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 21389288760 cubic inches would be around 231.3 feet tall.
Recreational maths with 21389288760
- 21389288760 backwards is 06788298312
- 21389288760 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21389288760's digits is 54
- More coming soon!
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