64400121408
64,400,121,408 is an even composite number composed of four prime numbers multiplied together.
64400121408 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred ninety-six divisors.
Prime factorization of 64400121408:
26 × 3 × 76 × 2851
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 7 × 7 × 7 × 7 × 2851)See below for interesting mathematical facts about the number 64400121408 from the Numbermatics database.
Names of 64400121408
- Cardinal: 64400121408 can be written as Sixty-four billion, four hundred million, one hundred twenty-one thousand, four hundred eight.
Scientific notation
- Scientific notation: 6.4400121408 × 1010
Factors of 64400121408
Divisors of 64400121408
- Number of divisors d(n): 196
-
Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 147 168 192 196 224 294 336 343 392 448 588 672 686 784 1029 1176 1344 1372 1568 2058 2352 2401 2744 2851 3136 4116 4704 4802 5488 5702 7203 8232 8553 9408 9604 10976 11404 14406 16464 16807 17106 19208 19957 21952 22808 28812 32928 33614 34212 38416 39914 45616 50421 57624 59871 65856 67228 68424 76832 79828 91232 100842 115248 117649 119742 134456 136848 139699 153664 159656 182464 201684 230496 235298 239484 268912 273696 279398 319312 352947 403368 419097 460992 470596 478968 537824 547392 558796 638624 705894 806736 838194 941192 957936 977893 1075648 1117592 1277248 1411788 1613472 1676388 1882384 1915872 1955786 2235184 2823576 2933679 3226944 3352776 3764768 3831744 3911572 4470368 5647152 5867358 6705552 6845251 7529536 7823144 8940736 11294304 11734716 13411104 13690502 15646288 20535753 22588608 23469432 26822208 27381004 31292576 41071506 46938864 47916757 54762008 62585152 82143012 93877728 95833514 109524016 143750271 164286024 187755456 191667028 219048032 287500542 328572048 335417299 383334056 438096064 575001084 657144096 670834598 766668112 1006251897 1150002168 1314288192 1341669196 1533336224 2012503794 2300004336 2683338392 3066672448 4025007588 4600008672 5366676784 8050015176 9200017344 10733353568 16100030352 21466707136 32200060704 64400121408
- Sum of all divisors σ(n): 198860137712
- Sum of proper divisors (its aliquot sum) s(n): 134460016304
- 64400121408 is an abundant number, because the sum of its proper divisors (134460016304) is greater than itself. Its abundance is 70059894896
Bases of 64400121408
- Binary: 1110111111101000101111011110010000002
- Hexadecimal: 0xEFE8BDE40
- Base-36: TL263PC
Squares and roots of 64400121408
- 64400121408 squared (644001214082) is 4147375637365139902464
- 64400121408 cubed (644001214083) is 267091494570896390945586878349312
-
The
square root of 64400121408 is 253771.7900161483 -
The
cube root of 64400121408 is 4008.3185511013
Scales and comparisons
How big is 64400121408?- 64,400,121,408 seconds is equal to 2,047 years, 37 weeks, 4 days, 18 hours, 36 minutes, 48 seconds.
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To count from 1 to 64,400,121,408 would take you about four thousand and ninety-five 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 64400121408 cubic inches would be around 334 feet tall.
Recreational maths with 64400121408
- 64400121408 backwards is 80412100446
- The number of decimal digits it has is: 11
- The sum of 64400121408's digits is 30
- More coming soon!
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