51491249964
51,491,249,964 is an even composite number composed of five prime numbers multiplied together.
51491249964 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred seventy-eight divisors.
Prime factorization of 51491249964:
22 × 36 × 72 × 11 × 1812
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 11 × 181 × 181)See below for interesting mathematical facts about the number 51491249964 from the Numbermatics database.
Names of 51491249964
- Cardinal: 51491249964 can be written as Fifty-one billion, four hundred ninety-one million, two hundred forty-nine thousand, nine hundred sixty-four.
Scientific notation
- Scientific notation: 5.1491249964 × 1010
Factors of 51491249964
Divisors of 51491249964
- Number of divisors d(n): 378
-
Complete list of divisors:
1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 49 54 63 66 77 81 84 98 99 108 126 132 147 154 162 181 189 196 198 231 243 252 294 297 308 324 362 378 396 441 462 486 539 543 567 588 594 693 724 729 756 882 891 924 972 1078 1086 1134 1188 1267 1323 1386 1458 1617 1629 1701 1764 1782 1991 2079 2156 2172 2268 2534 2646 2673 2772 2916 3234 3258 3402 3564 3801 3969 3982 4158 4851 4887 5068 5103 5292 5346 5973 6237 6468 6516 6804 7602 7938 7964 8019 8316 8869 9702 9774 10206 10692 11403 11907 11946 12474 13937 14553 14661 15204 15876 16038 17738 17919 18711 19404 19548 20412 22806 23814 23892 24948 26607 27874 29106 29322 32076 32761 34209 35476 35721 35838 37422 41811 43659 43983 45612 47628 53214 53757 55748 56133 58212 58644 65522 68418 71442 71676 74844 79821 83622 87318 87966 97559 98283 102627 106428 107514 112266 125433 130977 131044 131949 136836 142884 159642 161271 167244 174636 175932 195118 196566 205254 215028 224532 229327 239463 250866 261954 263898 292677 294849 307881 319284 322542 360371 376299 390236 392931 393132 410508 458654 478926 483813 501732 523908 527796 585354 589698 615762 645084 687981 718389 720742 752598 785862 878031 884547 917308 923643 957852 967626 1081113 1128897 1170708 1179396 1231524 1375962 1436778 1441484 1451439 1505196 1571724 1605289 1756062 1769094 1847286 1935252 2063943 2155167 2162226 2257794 2522597 2634093 2653641 2751924 2873556 2902878 3210578 3243339 3386691 3512124 3538188 3694572 4127886 4310334 4324452 4515588 4815867 5045194 5268186 5307282 5805756 6191829 6421156 6465501 6486678 6773382 7567791 7902279 7960923 8255772 8620668 9631734 9730017 10090388 10160073 10536372 10614564 12383658 12931002 12973356 13546764 14447601 15135582 15804558 15921846 17658179 18575487 19263468 19460034 20320146 22703373 23706837 23882769 24767316 25862004 28895202 29190051 30271164 31609116 31843692 35316358 37150974 38920068 40640292 43342803 45406746 47413674 47765538 52974537 55726461 57790404 58380102 68110119 70632716 71120511 74301948 86685606 87570153 90813492 94827348 95531076 105949074 111452922 116760204 130028409 136220238 142241022 158923611 167179383 173371212 175140306 204330357 211898148 222905844 260056818 262710459 272440476 284482044 317847222 334358766 350280612 390085227 408660714 476770833 520113636 525420918 612991071 635694444 668717532 780170454 817321428 953541666 1050841836 1170255681 1225982142 1430312499 1560340908 1838973213 1907083332 2340511362 2451964284 2860624998 3677946426 4290937497 4681022724 5721249996 7355892852 8581874994 12872812491 17163749988 25745624982 51491249964
- Sum of all divisors σ(n): 172400074812
- Sum of proper divisors (its aliquot sum) s(n): 120908824848
- 51491249964 is an abundant number, because the sum of its proper divisors (120908824848) is greater than itself. Its abundance is 69417574884
Bases of 51491249964
- Binary: 1011111111010001111000011111001011002
- Hexadecimal: 0xBFD1E1F2C
- Base-36: NNKK6R0
Squares and roots of 51491249964
- 51491249964 squared (514912499642) is 2651348822855130001296
- 51491249964 cubed (514912499643) is 136521264979390655056447979953344
-
The
square root of 51491249964 is 226916.8349065357 -
The
cube root of 51491249964 is 3720.2987091043
Scales and comparisons
How big is 51491249964?- 51,491,249,964 seconds is equal to 1,637 years, 13 weeks, 4 days, 12 hours, 59 minutes, 24 seconds.
-
To count from 1 to 51,491,249,964 would take you about three thousand, two hundred seventy-four 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 51491249964 cubic inches would be around 310 feet tall.
Recreational maths with 51491249964
- 51491249964 backwards is 46994219415
- 51491249964 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 51491249964's digits is 54
- More coming soon!
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