21681007032720
21,681,007,032,720 is an even composite number composed of five prime numbers multiplied together.
21681007032720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21681007032720:
24 × 3 × 5 × 73 × 6413
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 7 × 641 × 641 × 641)See below for interesting mathematical facts about the number 21681007032720 from the Numbermatics database.
Names of 21681007032720
- Cardinal: 21681007032720 can be written as Twenty-one trillion, six hundred eighty-one billion, seven million, thirty-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.168100703272 × 1013
Factors of 21681007032720
Divisors of 21681007032720
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 49 56 60 70 80 84 98 105 112 120 140 147 168 196 210 240 245 280 294 336 343 392 420 490 560 588 641 686 735 784 840 980 1029 1176 1282 1372 1470 1680 1715 1923 1960 2058 2352 2564 2744 2940 3205 3430 3846 3920 4116 4487 5128 5145 5488 5880 6410 6860 7692 8232 8974 9615 10256 10290 11760 12820 13461 13720 15384 16464 17948 19230 20580 22435 25640 26922 27440 30768 31409 35896 38460 41160 44870 51280 53844 62818 67305 71792 76920 82320 89740 94227 107688 125636 134610 153840 157045 179480 188454 215376 219863 251272 269220 314090 358960 376908 410881 439726 471135 502544 538440 628180 659589 753816 821762 879452 942270 1076880 1099315 1232643 1256360 1319178 1507632 1643524 1758904 1884540 2054405 2198630 2465286 2512720 2638356 2876167 3287048 3297945 3517808 3769080 4108810 4397260 4930572 5276712 5752334 6163215 6574096 6595890 7538160 8217620 8628501 8794520 9861144 10553424 11504668 12326430 13191780 14380835 16435240 17257002 17589040 19722288 20133169 23009336 24652860 26383560 28761670 32870480 34514004 40266338 43142505 46018672 49305720 52767120 57523340 60399507 69028008 80532676 86285010 98611440 100665845 115046680 120799014 138056016 140932183 161065352 172570020 201331690 230093360 241598028 263374721 281864366 301997535 322130704 345140040 402663380 422796549 483196056 526749442 563728732 603995070 690280080 704660915 790124163 805326760 845593098 966392112 1053498884 1127457464 1207990140 1316873605 1409321830 1580248326 1610653520 1691186196 1843623047 2106997768 2113982745 2254914928 2415980280 2633747210 2818643660 3160496652 3382372392 3687246094 3950620815 4213995536 4227965490 4831960560 5267494420 5530869141 5637287320 6320993304 6764744784 7374492188 7901241630 8455930980 9218115235 10534988840 11061738282 11274574640 12641986608 12905361329 14748984376 15802483260 16911861960 18436230470 21069977680 22123476564 25810722658 27654345705 29497968752 31604966520 33823723920 36872460940 38716083987 44246953128 51621445316 55308691410 63209933040 64526806645 73744921880 77432167974 88493906256 90337529303 103242890632 110617382820 129053613290 147489843760 154864335948 180675058606 193580419935 206485781264 221234765640 258107226580 271012587909 309728671896 361350117212 387160839870 442469531280 451687646515 516214453160 542025175818 619457343792 722700234424 774321679740 903375293030 1032428906320 1084050351636 1355062939545 1445400468848 1548643359480 1806750586060 2168100703272 2710125879090 3097286718960 3613501172120 4336201406544 5420251758180 7227002344240 10840503516360 21681007032720
- Sum of all divisors σ(n): 78502786214400
- Sum of proper divisors (its aliquot sum) s(n): 56821779181680
- 21681007032720 is an abundant number, because the sum of its proper divisors (56821779181680) is greater than itself. Its abundance is 35140772148960
Bases of 21681007032720
- Binary: 1001110111000000000001011100011111001100100002
- Hexadecimal: 0x13B800B8F990
- Base-36: 7OO47ST5C
Squares and roots of 21681007032720
- 21681007032720 squared (216810070327202) is 470066065952854099150598400
- 21681007032720 cubed (216810070327203) is 10191505681766853071640204088796379648000
-
The
square root of 21681007032720 is 4656286.8288712627 -
The
cube root of 21681007032720 is 27884.3045084299
Scales and comparisons
How big is 21681007032720?- 21,681,007,032,720 seconds is equal to 689,388 years, 49 weeks, 6 days, 9 hours, 32 minutes.
-
To count from 1 to 21,681,007,032,720 would take you about one million, seven hundred twenty-three thousand, four hundred seventy-two 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 21681007032720 cubic inches would be around 2323.7 feet tall.
Recreational maths with 21681007032720
- 21681007032720 backwards is 02723070018612
- The number of decimal digits it has is: 14
- The sum of 21681007032720's digits is 39
- More coming soon!
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The information we have on file for 21681007032720 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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