21388608488520
21,388,608,488,520 is an even composite number composed of eight prime numbers multiplied together.
What does the number 21388608488520 look like?
This visualization shows the relationship between its 8 prime factors (large circles) and 1280 divisors.
21388608488520 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of one thousand, two hundred eighty divisors.
Prime factorization of 21388608488520:
23 × 34 × 5 × 7 × 13 × 193 × 409 × 919
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 13 × 193 × 409 × 919)See below for interesting mathematical facts about the number 21388608488520 from the Numbermatics database.
Names of 21388608488520
- Cardinal: 21388608488520 can be written as Twenty-one trillion, three hundred eighty-eight billion, six hundred eight million, four hundred eighty-eight thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.138860848852 × 1013
Factors of 21388608488520
Divisors of 21388608488520
- Number of divisors d(n): 1280
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 27 28 30 35 36 39 40 42 45 52 54 56 60 63 65 70 72 78 81 84 90 91 104 105 108 117 120 126 130 135 140 156 162 168 180 182 189 193 195 210 216 234 252 260 270 273 280 312 315 324 351 360 364 378 386 390 405 409 420 455 468 504 520 540 546 567 579 585 630 648 702 728 756 772 780 810 818 819 840 910 919 936 945 965 1053 1080 1092 1134 1158 1170 1227 1260 1351 1365 1404 1512 1544 1560 1620 1636 1638 1737 1755 1820 1838 1890 1930 2045 2106 2184 2268 2316 2340 2454 2457 2509 2520 2702 2730 2757 2808 2835 2863 2895 3240 3272 3276 3474 3510 3640 3676 3681 3780 3860 4053 4090 4095 4212 4536 4595 4632 4680 4908 4914 5018 5211 5265 5317 5404 5460 5514 5670 5726 5790 6135 6433 6552 6755 6948 7020 7352 7362 7371 7527 7560 7720 8106 8180 8190 8271 8424 8589 8685 9190 9816 9828 10036 10422 10530 10634 10808 10920 11028 11043 11340 11452 11580 11947 12159 12270 12285 12545 12866 13510 13785 13896 14040 14315 14724 14742 15054 15633 15951 16212 16360 16380 16542 17178 17370 17563 18380 18405 19299 19656 20072 20265 20844 21060 21268 22056 22086 22581 22680 22904 23160 23894 24318 24540 24570 24813 25090 25732 25767 26055 26585 27020 27570 28630 29448 29484 30108 31266 31902 32165 32424 32760 33084 33129 34356 34740 35126 35841 36477 36760 36810 36855 37219 37635 38598 40530 41355 41688 42120 42536 42945 44172 45162 47788 47853 48636 49080 49140 49626 50180 51464 51534 52110 52689 53170 54040 55140 55215 57260 57897 58968 59735 60216 60795 62532 63804 64330 66168 66258 67743 68712 69480 70252 71682 72954 73620 73710 74438 74439 75270 77196 77301 78165 78937 79755 81060 82710 83629 85890 87815 88344 90324 95576 95706 96495 97272 98280 99252 100360 103068 104220 105378 106340 107523 109431 110280 110430 111657 112905 114520 115794 119470 121590 124065 125064 127608 128660 128835 132516 135486 140504 143364 143559 145908 147240 147420 148876 148878 150540 154392 154602 156330 157874 158067 159510 162120 165420 165645 167258 171780 173691 175630 177367 179205 180648 182385 186095 191412 192990 198504 203229 206136 208440 210756 212680 215046 218862 220860 223314 225810 231588 231903 236811 238940 239265 243180 248130 250887 257320 257670 263445 265032 270972 286728 287118 289485 291816 294840 297752 297756 301080 309204 312660 315748 316134 319020 322569 330840 331290 334516 334971 338715 343560 347382 351260 354734 358410 364770 372190 372195 375871 382824 385980 386505 394685 406458 418145 421512 430092 430677 437724 441720 446628 451620 463176 463806 473622 474201 477880 478530 486360 496260 501774 515340 521073 526890 532101 537615 541944 547155 552559 558285 574236 578970 595512 618408 625320 631496 632268 638040 645138 662580 669032 669942 677430 694764 702520 709468 710433 716820 717795 729540 744380 744390 751742 752661 771960 773010 789370 790335 812916 836290 860184 861354 868455 875448 886835 893256 903240 927612 947244 948402 957060 967707 992520 1003548 1004913 1016145 1026181 1030680 1042146 1053780 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13710646467 13852725705 14145905085 15234051630 15669310248 15831686520 16975086102 17431628760 18280861956 18470300940 18861206780 19586637810 19804267119 20312068840 22164361128 22633448136 22851077445 23273785080 23503965372 25462629153 26115517080 26147443140 26405689492 27421292934 27705451410 28291810170 29379956715 30468103260 33007111865 33950172204 36561723912 36940601880 37722413560 39173275620 39608534238 41131939401 42437715255 45702154890 47007930744 50925258306 52294886280 52811378984 54842585868 55410902820 56583620340 58759913430 59412801357 60936206520 66014223730 67900344408 68553232335 76387887459 78346551240 79217068476 82263878802 84875430510 91404309780 99021335595 101850516612 109685171736 110821805640 113167240680 117519826860 118825602714 127313145765 132028447460 137106464670 152775774918 158434136952 164527757604 169750861020 178238404071 182808619560 198042671190 203701033224 205659697005 235039653720 237651205428 254626291530 264056894920 274212929340 297064006785 305551549836 329055515208 339501722040 356476808142 381939437295 396085342380 411319394010 475302410856 509252583060 534715212213 548425858680 594128013570 611103099672 712953616284 763878874590 792170684760 822638788020 891192020355 1018505166120 1069430424426 1188256027140 1425907232568 1527757749180 1645277576040 1782384040710 2138860848852 2376512054280 2673576061065 3055515498360 3564768081420 4277721697704 5347152122130 7129536162840 10694304244260 21388608488520
- Sum of all divisors σ(n): 89252279424000
- Sum of proper divisors (its aliquot sum) s(n): 67863670935480
- 21388608488520 is an abundant number, because the sum of its proper divisors (67863670935480) is greater than itself. Its abundance is 46475062446960
Bases of 21388608488520
- Binary: 1001101110011111011000110100101000100010010002
- Hexadecimal: 0x1373EC694448
- Base-36: 7KXSH98I0
Squares and roots of 21388608488520
- 21388608488520 squared (213886084885202) is 457472573075189798971790400
- 21388608488520 cubed (213886084885203) is 9784701759741090534498148517462246208000
-
The
square root of 21388608488520 is 4624781.9936208885 -
The
cube root of 21388608488520 is 27758.3838482283
Scales and comparisons
How big is 21388608488520?- 21,388,608,488,520 seconds is equal to 680,091 years, 30 weeks, 4 days, 23 hours, 42 minutes.
-
To count from 1 to 21,388,608,488,520 would take you about one million, seven hundred thousand, two hundred twenty-eight 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 21388608488520 cubic inches would be around 2313.2 feet tall.
Recreational maths with 21388608488520
- 21388608488520 backwards is 02588480688312
- 21388608488520 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21388608488520's digits is 63
- More coming soon!
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The information we have on file for 21388608488520 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!
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