121285021872
121,285,021,872 is an even composite number composed of five prime numbers multiplied together.
121285021872 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred seventy divisors.
Prime factorization of 121285021872:
24 × 3 × 72 × 432 × 1672
(2 × 2 × 2 × 2 × 3 × 7 × 7 × 43 × 43 × 167 × 167)See below for interesting mathematical facts about the number 121285021872 from the Numbermatics database.
Names of 121285021872
- Cardinal: 121285021872 can be written as One hundred twenty-one billion, two hundred eighty-five million, twenty-one thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.21285021872 × 1011
Factors of 121285021872
Divisors of 121285021872
- Number of divisors d(n): 270
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 42 43 48 49 56 84 86 98 112 129 147 167 168 172 196 258 294 301 334 336 344 392 501 516 588 602 668 688 784 903 1002 1032 1169 1176 1204 1336 1806 1849 2004 2064 2107 2338 2352 2408 2672 3507 3612 3698 4008 4214 4676 4816 5547 6321 7014 7181 7224 7396 8016 8183 8428 9352 11094 12642 12943 14028 14362 14448 14792 16366 16856 18704 21543 22188 24549 25284 25886 27889 28056 28724 29584 32732 33712 38829 43086 44376 49098 50267 50568 51772 55778 56112 57448 65464 77658 83667 86172 88752 90601 98196 100534 101136 103544 111556 114896 130928 150801 155316 167334 172344 181202 195223 196392 201068 207088 223112 271803 301602 308783 310632 334668 344688 351869 362404 390446 392784 402136 446224 543606 585669 603204 617566 621264 669336 703738 724808 780892 804272 926349 1055607 1087212 1171338 1199227 1206408 1235132 1338672 1366561 1407476 1449616 1561784 1852698 2111214 2161481 2174424 2342676 2398454 2412816 2470264 2733122 2814952 3123568 3597681 3705396 4099683 4222428 4322962 4348848 4685352 4796908 4940528 5466244 5629904 6484443 7195362 7410792 8199366 8394589 8444856 8645924 9370704 9593816 10932488 12968886 14390724 14821584 15130367 16398732 16789178 16889712 17291848 19187632 21864976 25183767 25937772 28781448 30260734 32797464 33578356 34583696 45391101 50367534 51566761 51875544 57562896 58762123 60521468 65594928 67156712 90782202 100735068 103133522 103751088 117524246 121042936 134313424 154700283 176286369 181564404 201470136 206267044 235048492 242085872 309400566 352572738 360967327 363128808 402940272 412534088 470096984 618801132 705145476 721934654 726257616 825068176 940193968 1082901981 1237602264 1410290952 1443869308 2165803962 2475204528 2526771289 2820581904 2887738616 4331607924 5053542578 5775477232 7580313867 8663215848 10107085156 15160627734 17326431696 20214170312 30321255468 40428340624 60642510936 121285021872
- Sum of all divisors σ(n): 375394916268
- Sum of proper divisors (its aliquot sum) s(n): 254109894396
- 121285021872 is an abundant number, because the sum of its proper divisors (254109894396) is greater than itself. Its abundance is 132824872524
Bases of 121285021872
- Binary: 11100001111010010011010010000101100002
- Hexadecimal: 0x1C3D2690B0
- Base-36: 1JPTYXTC
Squares and roots of 121285021872
- 121285021872 squared (1212850218722) is 14710056530491518384384
- 121285021872 cubed (1212850218723) is 1784109528039020242160503543246848
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The
square root of 121285021872 is 348259.9917762591 -
The
cube root of 121285021872 is 4949.9679877127
Scales and comparisons
How big is 121285021872?- 121,285,021,872 seconds is equal to 3,856 years, 25 weeks, 2 days, 19 hours, 51 minutes, 12 seconds.
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To count from 1 to 121,285,021,872 would take you about seven thousand, seven hundred twelve 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 121285021872 cubic inches would be around 412.5 feet tall.
Recreational maths with 121285021872
- 121285021872 backwards is 278120582121
- The number of decimal digits it has is: 12
- The sum of 121285021872's digits is 39
- More coming soon!
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