21807018090
21,807,018,090 is an even composite number composed of seven prime numbers multiplied together.
21807018090 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six hundred forty-eight divisors.
Prime factorization of 21807018090:
2 × 32 × 5 × 112 × 132 × 172 × 41
(2 × 3 × 3 × 5 × 11 × 11 × 13 × 13 × 17 × 17 × 41)See below for interesting mathematical facts about the number 21807018090 from the Numbermatics database.
Names of 21807018090
- Cardinal: 21807018090 can be written as Twenty-one billion, eight hundred seven million, eighteen thousand and ninety.
Scientific notation
- Scientific notation: 2.180701809 × 1010
Factors of 21807018090
Divisors of 21807018090
- Number of divisors d(n): 648
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Complete list of divisors:
1 2 3 5 6 9 10 11 13 15 17 18 22 26 30 33 34 39 41 45 51 55 65 66 78 82 85 90 99 102 110 117 121 123 130 143 153 165 169 170 187 195 198 205 221 234 242 246 255 286 289 306 330 338 363 369 374 390 410 429 442 451 495 507 510 533 561 578 585 605 615 663 697 715 726 738 765 845 858 867 902 935 990 1014 1066 1089 1105 1122 1170 1210 1230 1287 1326 1353 1394 1430 1445 1521 1530 1573 1599 1683 1690 1734 1815 1845 1859 1870 1989 2057 2091 2145 2178 2210 2255 2431 2535 2574 2601 2665 2706 2805 2873 2890 3042 3146 3179 3198 3315 3366 3485 3630 3690 3718 3757 3978 4059 4114 4182 4290 4335 4510 4719 4797 4862 4961 5070 5202 5330 5445 5577 5610 5746 5863 6171 6273 6358 6435 6630 6765 6929 6970 7293 7514 7605 7667 7865 7995 8118 8415 8619 8670 9061 9295 9438 9537 9594 9922 9945 10285 10455 10890 11154 11271 11726 11849 12155 12342 12546 12870 13005 13530 13858 14157 14365 14586 14883 15210 15334 15730 15895 15990 16731 16830 17238 17589 18122 18513 18590 18785 19074 19890 20295 20449 20570 20787 20910 21879 22542 23001 23595 23698 23985 24310 24805 25857 26010 26741 27183 27885 28314 28611 28730 29315 29766 30855 31365 31603 31790 33462 33813 34645 34969 35178 35547 36465 37026 37570 38335 40590 40898 41327 41574 43095 43758 44649 45305 46002 47190 47685 47970 48841 49610 51714 52767 53482 54366 55770 56355 57222 58630 59245 61347 61710 62361 62730 63206 64493 67626 69003 69290 69938 70785 71094 72930 74415 76219 76670 80223 81549 82654 83655 84337 86190 87945 89298 90610 92565 94809 95370 97682 99671 102245 103935 104907 105534 106641 109395 112710 115005 117793 118490 122694 123981 124722 128986 129285 130339 133705 135915 138006 141570 143055 146523 148830 152438 154037 158015 160446 163098 167310 168674 169065 174845 175890 177735 184041 185130 189618 193479 199342 204490 206635 207870 209814 213282 218790 223245 228657 230010 235586 240669 244205 247962 253011 258570 260678 263835 267410 271830 284427 286110 293046 299013 306735 308074 311805 314721 316030 322465 338130 345015 347633 349690 353379 355470 368082 371943 381095 386958 391017 401115 407745 413270 421685 439569 446490 454597 457314 462111 474045 481338 488410 498355 506022 524535 527670 533205 537251 568854 580437 588965 598026 613470 619905 623610 629442 644930 651695 685971 690030 695266 706758 732615 743886 759033 762190 770185 782034 802230 815490 838409 843370 879138 897039 909194 920205 924222 948090 967395 996710 1042899 1049070 1060137 1066410 1074502 1096381 1143285 1160874 1173051 1177930 1203345 1239810 1265055 1295723 1303390 1363791 1371942 1386333 1422135 1433729 1465230 1495065 1518066 1540370 1573605 1611753 1676818 1694407 1738165 1766895 1794078 1840410 1859715 1934790 1955085 2002481 2085798 2120274 2192762 2197845 2272985 2286570 2310555 2346102 2406690 2515227 2530110 2591446 2686255 2727582 2772666 2844270 2867458 2902185 2990130 3128697 3147210 3223506 3289143 3388814 3429855 3476330 3533790 3719430 3795165 3887169 3910170 4004962 4091373 4192045 4301187 4395690 4485195 4545970 4621110 4835259 5030454 5083221 5214495 5300685 5372510 5481905 5804370 5865255 5909761 6007443 6257394 6478615 6578286 6818955 6859710 6931665 7168645 7545681 7590330 7774338 8058765 8182746 8384090 8472035 8602374 8970390 9670518 9867429 10012405 10166442 10428990 10601370 10963810 11661507 11730510 11819522 12014886 12576135 12903561 12957230 13637910 13863330 14252953 14337290 15091362 15249663 15643485 16117530 16445715 16944070 17729283 18022329 18638477 19435845 19734858 20024810 20456865 21505935 22027291 23323014 24176295 25152270 25416105 25807122 28505906 29548805 30037215 30499326 31286970 32891430 35458566 36044658 37276954 37728405 38871690 40913730 42758859 43011870 44054582 48352590 49337145 50832210 53187849 55915431 58307535 59097610 60074430 64517805 66081873 71264765 75456810 76248315 85517718 88646415 90111645 93192385 98674290 106375698 110136455 111830862 116615070 128276577 129035610 132163746 142529530 152496630 167746293 177292830 180223290 186384770 198245619 213794295 220272910 242300201 256553154 265939245 279577155 330409365 335492586 396491238 427588590 484600402 531878490 559154310 641382885 660818730 726900603 838731465 991228095 1211501005 1282765770 1453801206 1677462930 1982456190 2180701809 2423002010 3634503015 4361403618 7269006030 10903509045 21807018090
- Sum of all divisors σ(n): 73435533444
- Sum of proper divisors (its aliquot sum) s(n): 51628515354
- 21807018090 is an abundant number, because the sum of its proper divisors (51628515354) is greater than itself. Its abundance is 29821497264
Bases of 21807018090
- Binary: 101000100111100110010110000011010102
- Hexadecimal: 0x513CCB06A
- Base-36: A0NC2UI
Squares and roots of 21807018090
- 21807018090 squared (218070180902) is 475546037977587248100
- 21807018090 cubed (218070180903) is 10370241052805072133870018129000
-
The
square root of 21807018090 is 147671.9949414919 -
The
cube root of 21807018090 is 2793.8221826613
Scales and comparisons
How big is 21807018090?- 21,807,018,090 seconds is equal to 693 years, 20 weeks, 4 days, 1 hour, 1 minute, 30 seconds.
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To count from 1 to 21,807,018,090 would take you about one thousand, three hundred eighty-six 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 21807018090 cubic inches would be around 232.8 feet tall.
Recreational maths with 21807018090
- 21807018090 backwards is 09081070812
- The number of decimal digits it has is: 11
- The sum of 21807018090's digits is 36
- More coming soon!
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The information we have on file for 21807018090 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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