81964162989072
81,964,162,989,072 is an even composite number composed of eight prime numbers multiplied together.
81964162989072 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 81964162989072:
24 × 33 × 7 × 13 × 31 × 71 × 727 × 1303
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 13 × 31 × 71 × 727 × 1303)See below for interesting mathematical facts about the number 81964162989072 from the Numbermatics database.
Names of 81964162989072
- Cardinal: 81964162989072 can be written as Eighty-one trillion, nine hundred sixty-four billion, one hundred sixty-two million, nine hundred eighty-nine thousand and seventy-two.
Scientific notation
- Scientific notation: 8.1964162989072 × 1013
Factors of 81964162989072
Divisors of 81964162989072
- Number of divisors d(n): 1280
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 31 36 39 42 48 52 54 56 62 63 71 72 78 84 91 93 104 108 112 117 124 126 142 144 156 168 182 186 189 208 213 216 217 234 248 252 273 279 284 312 336 351 364 372 378 403 426 432 434 468 496 497 504 546 558 568 624 639 651 702 727 728 744 756 806 819 837 852 868 923 936 994 1008 1092 1116 1136 1209 1278 1302 1303 1404 1454 1456 1488 1491 1512 1612 1638 1674 1704 1736 1846 1872 1917 1953 1988 2181 2184 2201 2232 2418 2457 2556 2604 2606 2769 2808 2821 2908 2982 3024 3224 3276 3348 3408 3472 3627 3692 3834 3906 3909 3976 4362 4368 4402 4464 4473 4836 4914 5089 5112 5208 5212 5538 5616 5642 5816 5859 5964 6448 6461 6543 6552 6603 6696 7254 7384 7668 7812 7818 7952 8307 8463 8724 8804 8946 9121 9451 9672 9828 10178 10224 10416 10424 10881 11076 11284 11632 11718 11727 11928 12922 13086 13104 13206 13392 13419 14508 14768 15267 15336 15407 15624 15636 16614 16926 16939 17448 17608 17892 18242 18902 19344 19383 19629 19656 19809 20356 20848 21762 22152 22537 22568 23436 23454 23856 24921 25389 25844 26172 26412 26838 27363 28353 28613 29016 30534 30672 30814 31248 31272 33228 33852 33878 34896 35181 35216 35784 36484 37804 38766 39258 39312 39618 40393 40712 43524 44304 45074 45136 45801 46221 46872 46908 49842 50778 50817 51617 51688 52344 52824 53676 54726 56706 57226 58032 58149 59427 61068 61628 62544 66157 66456 67611 67704 67756 70362 71568 72968 75608 76167 77532 78516 79236 80786 81424 82089 85059 85839 87048 90148 91602 92442 92513 93744 93816 99684 101556 101634 103234 103376 104688 105648 107352 109452 113412 114452 116298 118573 118854 121179 122136 123256 132314 132912 135222 135408 135512 137403 138663 140724 145936 151216 152334 152451 154851 155064 157032 157759 158472 161572 164178 170118 171678 174096 174447 180296 183204 184884 185026 187632 198471 199368 200291 202833 203112 203268 206468 214704 218904 226824 228904 232596 237146 237708 242358 244272 246267 246512 255177 257517 264628 270444 271024 274806 277326 277539 281448 282751 292981 304668 304902 309702 310128 314064 315518 316944 323144 328356 340236 343356 348894 355719 360592 361319 363537 366408 369768 370052 396942 398736 400582 405666 406224 406536 412936 415989 437808 453648 457353 457808 464553 465192 473277 474292 475416 484716 492534 510354 515034 525109 529256 540888 549612 554652 555078 562896 565502 585962 595413 600873 608499 609336 609804 619404 631036 646288 647591 656712 671021 680472 686712 697788 711438 722638 727074 732816 739536 740104 772551 793884 801164 811332 813072 825872 831978 832617 848253 878943 914706 929106 930384 946554 947281 948584 950832 969432 985068 1020708 1030068 1050218 1058512 1067157 1081776 1083957 1090611 1099224 1109304 1110156 1131004 1171924 1190826 1201746 1202669 1216998 1218672 1219608 1238808 1262072 1295182 1313424 1342042 1360944 1373424 1393659 1395576 1419831 1422876 1445276 1454148 1480208 1545102 1575327 1587768 1600127 1602328 1622664 1663956 1665234 1696506 1757886 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18324203664 18361147623 18619755336 18764689329 18790500456 20614729122 20968064208 20984168712 21378237608 22200477516 22598335536 23607189801 24050517309 24481530164 25019585772 25423127478 27104551253 27486305496 28185750684 29055002832 29189516734 29600636688 31452096312 31476253068 32067356412 33359447696 33897503304 36722295246 37239510672 37529378658 37581000912 41229458244 41968337424 42756475216 43784275101 44400955032 47214379602 48101034618 48963060328 50039171544 50846254956 54209102506 54972610992 55083442869 56294067987 56371501368 58379033468 62904192624 62952506136 64134712824 67795006608 72151551927 73444590492 75058757316 81313653759 82458916488 87568550202 88801910064 94428759204 96202069236 97926120656 100078343088 101692509912 108418205012 110166885738 112588135974 112743002736 116758066936 125905012272 128269425648 131352825303 144303103854 146889180984 150117514632 162627307518 164917832976 165250328607 175137100404 188857518408 189731858771 192404138472 203385019824 216836410024 220333771476 225176271948 233516133872 243940961277 262705650606 288606207708 293778361968 300235029264 325254615036 330500657214 350274200808 377715036816 379463717542 384808276944 394058475909 433672820048 440667542952 450352543896 487881922554 525411301212 569195576313 577212415416 650509230072 661001314428 700548401616 731822883831 758927435084 788116951818 881335085904 900705087792 975763845108 1050822602424 1138391152626 1154424830832 1301018460144 1322002628856 1463645767662 1517854870168 1576233903636 1707586728939 1951527690216 2101645204848 2276782305252 2644005257712 2927291535324 3035709740336 3152467807272 3415173457878 3903055380432 4553564610504 5122760186817 5854583070648 6304935614544 6830346915756 9107129221008 10245520373634 11709166141296 13660693831512 20491040747268 27321387663024 40982081494536 81964162989072
- Sum of all divisors σ(n): 303760398090240
- Sum of proper divisors (its aliquot sum) s(n): 221796235101168
- 81964162989072 is an abundant number, because the sum of its proper divisors (221796235101168) is greater than itself. Its abundance is 139832072112096
Bases of 81964162989072
- Binary: 100101010001011110001001101000110111100000100002
- Hexadecimal: 0x4A8BC4D1BC10
- Base-36: T1XTEE3O0
Squares and roots of 81964162989072
- 81964162989072 squared (819641629890722) is 6718124014499160253591421184
- 81964162989072 cubed (819641629890723) is 550645411705207875158041758075781941301248
-
The
square root of 81964162989072 is 9053406.1539882327 -
The
cube root of 81964162989072 is 43438.4849423523
Scales and comparisons
How big is 81964162989072?- 81,964,162,989,072 seconds is equal to 2,606,206 years, 44 weeks, 1 day, 20 hours, 31 minutes, 12 seconds.
-
To count from 1 to 81,964,162,989,072 would take you about six million, five hundred fifteen thousand, five hundred seventeen 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 81964162989072 cubic inches would be around 3619.9 feet tall.
Recreational maths with 81964162989072
- 81964162989072 backwards is 27098926146918
- 81964162989072 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 81964162989072's digits is 72
- More coming soon!
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The information we have on file for 81964162989072 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!
Keywords: Divisors of 81964162989072, math, Factors of 81964162989072, curriculum, school, college, exams, university, Prime factorization of 81964162989072, STEM, science, technology, engineering, physics, economics, calculator, eighty-one trillion, nine hundred sixty-four billion, one hundred sixty-two million, nine hundred eighty-nine thousand and seventy-two.