21010936988720

Names of 21010936988720

• Cardinal: 21010936988720 can be written as Twenty-one trillion, ten billion, nine hundred thirty-six million, nine hundred eighty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.101093698872 × 10¹³

Factors of 21010936988720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 574

Divisors of 21010936988720

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 35 38 40 56 59 70 73 76 80 95 112 118 133 140 146 152 190 236 266 280 292 295 304 361 365 380 409 413 472 511 532 560 584 590 665 722 730 760 818 826 944 1022 1064 1121 1168 1180 1330 1387 1444 1460 1520 1636 1652 1805 2044 2045 2065 2128 2242 2360 2527 2555 2660 2774 2863 2888 2920 3272 3304 3481 3610 4088 4090 4130 4307 4484 4720 5054 5110 5320 5548 5605 5726 5776 5840 6544 6608 6935 6962 7220 7771 7847 8176 8180 8260 8614 8968 9709 10108 10220 10640 11096 11210 11452 12635 13870 13924 14315 14440 15542 15694 16360 16520 17228 17405 17936 19418 20216 20440 21299 21535 22192 22420 22904 24131 24367 25270 26353 27740 27848 28630 28880 29857 30149 31084 31388 32720 33040 34456 34810 38836 38855 39235 40432 40880 42598 43070 44840 45808 48262 48545 48734 50540 52706 54397 55480 55696 57260 59714 60298 62168 62776 66139 68912 69620 77672 77710 78470 81833 85196 86140 89680 96524 97090 97468 101080 105412 106495 108794 110960 114520 119428 120596 120655 121835 124336 125552 131765 132278 139240 147649 149093 149285 150745 155344 155420 156940 163666 168917 170392 172280 184471 193048 194180 194936 202160 208999 210824 212990 217588 229040 238856 241192 241310 243670 254113 263530 264556 271985 278480 295298 298186 298570 301490 310840 313880 327332 330695 337834 340784 344560 368942 386096 388360 389872 409165 417998 421648 425980 435176 458489 462973 477712 482384 482620 487340 508226 527060 529112 543970 567283 572831 590596 596372 597140 602980 621680 627760 654664 661390 675668 737884 738245 745465 776720 818330 835996 844585 851960 870352 916978 922355 925946 965240 974680 1016452 1033543 1044995 1054120 1058224 1087940 1134566 1145662 1181192 1192744 1194280 1205960 1256641 1270565 1309328 1322780 1351336 1423729 1475768 1476490 1490930 1554827 1636660 1671992 1689170 1703920 1761563 1778791 1833956 1844710 1851892 1930480 1949360 2032904 2067086 2089990 2108240 2175880 2269132 2291324 2292445 2314865 2362384 2385488 2388560 2411920 2513282 2541130 2645560 2702672 2836415 2847458 2864155 2951536 2952980 2981860 3109654 3209423 3273320 3343984 3378340 3523126 3557582 3667912 3689420 3703784 3970981 4065808 4134172 4179980 4351760 4538264 4582648 4584890 4629730 4828147 5026564 5082260 5167715 5291120 5672830 5694916 5728310 5905960 5963720 6219308 6283205 6418846 6546640 6756680 7046252 7115164 7118645 7335824 7378840 7407568 7774135 7941962 8268344 8359960 8711291 8796487 8807815 8893955 9076528 9165296 9169780 9259460 9656294 9966103 10053128 10164520 10335430 10778377 10883789 11345660 11389832 11456620 11811920 11927440 12330941 12438616 12566410 12837692 13513360 14092504 14230328 14237290 14757680 15548270 15883924 16047115 16536688 16719920 17422582 17592974 17615630 17787910 18339560 18518920 19312588 19854905 19932206 20106256 20329040 20670860 21556754 21767578 22691320 22779664 22913240 24140735 24661882 24877232 25132820 25675384 27050851 28185008 28460656 28474580 31096540 31767848 32094230 33469697 33797029 34845164 35185948 35231260 35575820 36679120 37037840 38625176 39709810 39864412 41341720 43113508 43535156 43556455 43982435 45382640 45826480 48281470 49323764 49830515 50265640 51350768 53891885 54101702 54418945 56949160 60979037 61654705 62193080 63535696 64188460 66939394 67594058 69690328 70371896 70462520 71151640 75448639 77250352 79419620 79728824 82683440 86227016 87070312 87112910 87964870 91734793 96562940 98647528 99661030 100531280 103932217 107783770 108203404 108837890 113898320 121958074 123309410 124386160 128376920 133878788 135188116 135254255 139380656 140743792 140925040 142303280 150897278 158839240 159457648 167348485 168985145 172454032 174140624 174225820 175929740 183469586 189355957 193125880 197295056 199322060 207864434 215567540 216406808 217675780 234287879 243916148 246618820 256753840 267757576 270376232 270508510 301794556 304895185 317678480 334696970 337970290 348451640 351859480 366939172 377243195 378711914 386251760 398644120 415728868 431135080 432813616 435351560 458673965 468575758 487832296 493237640 513966169 519661085 535515152 540752464 541017020 603589112 609790370 635924243 642143551 669393940 675940580 696903280 703718960 727525519 733878344 754486390 757423828 797288240 831457736 862270160 870703120 917347930 937151516 946779785 975664592 986475280 1027932338 1039322170 1082034040 1171439395 1207178224 1219580740 1271848486 1284287102 1338787880 1351881160 1455051038 1467756688 1508972780 1514847656 1662915472 1834695860 1874303032 1893559570 1974712123 2055864676 2078644340 2164068080 2342878790 2439161480 2543696972 2568574204 2569830845 2677575760 2703762320 2910102076 3017945560 3029695312 3179621215 3210717755 3597763183 3637627595 3669391720 3748606064 3787119140 3949424246 4111729352 4157288680 4451469701 4685757580 4878322960 5087393944 5137148408 5139661690 5820204152 6035891120 6359242430 6421435510 7195526366 7275255190 7338783440 7574238280 7898848492 8223458704 8314577360 8902939402 9371515160 9873560615 10174787888 10274296816 10279323380 11640408304 12718484860 12842871020 13822984861 14391052732 14550510380 15148476560 15797696984 17805878804 17988815915 18743030320 19747121230 20558646760 22257348505 25436969720 25685742040 27645969722 28782105464 29101020760 31595393968 35611757608 35977631830 37519530337 39494242460 41117293520 44514697010 50873939440 51371484080 55291939444 57564210928 58202041520 69114924305 71223515216 71955263660 75039060674 78988484920 89029394020 110583878888 138229848610 143910527320 150078121348 157976969840 178058788040 187597651685 221167757776 262636712359 276459697220 287821054640 300156242696 356117576080 375195303370 525273424718 552919394440 600312485392 750390606740 1050546849436 1105838788880 1313183561795 1500781213480 2101093698872 2626367123590 3001562426960 4202187397744 5252734247180 10505468494360 21010936988720
• Sum of all divisors σ(n): 60907308736320
• Sum of proper divisors (its aliquot sum) s(n): 39896371747600
• 21010936988720 is an abundant number, because the sum of its proper divisors (39896371747600) is greater than itself. Its abundance is 18885434758880

Bases of 21010936988720

• Binary: 100110001101111111101011011111000010000110000₂
• Hexadecimal: 0x131BFD6F8430
• Base-36: 7G4AHEA7K

Squares and roots of 21010936988720

• 21010936988720 squared (21010936988720²) is 441459473143962261407238400
• 21010936988720 cubed (21010936988720³) is 9275477173301320147741123057707150848000
• The square root of 21010936988720 is 4583768.8629249183
• The cube root of 21010936988720 is 27594.0305075825

Scales and comparisons

• 21,010,936,988,720 seconds is equal to 668,082 years, 41 weeks, 6 days, 1 hour, 45 minutes, 20 seconds.
• To count from 1 to 21,010,936,988,720 would take you about one million, six hundred seventy thousand, two hundred seven 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 21010936988720 cubic inches would be around 2299.5 feet tall.

Recreational maths with 21010936988720

• 21010936988720 backwards is 02788963901012
• 21010936988720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21010936988720's digits is 56
• More coming soon!