138236864640
138,236,864,640 is an even composite number composed of six prime numbers multiplied together.
138236864640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 138236864640:
27 × 3 × 5 × 7 × 73 × 140897
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 73 × 140897)See below for interesting mathematical facts about the number 138236864640 from the Numbermatics database.
Names of 138236864640
- Cardinal: 138236864640 can be written as One hundred thirty-eight billion, two hundred thirty-six million, eight hundred sixty-four thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.3823686464 × 1011
Factors of 138236864640
Divisors of 138236864640
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 73 80 84 96 105 112 120 128 140 146 160 168 192 210 219 224 240 280 292 320 336 365 384 420 438 448 480 511 560 584 640 672 730 840 876 896 960 1022 1095 1120 1168 1344 1460 1533 1680 1752 1920 2044 2190 2240 2336 2555 2688 2920 3066 3360 3504 4088 4380 4480 4672 5110 5840 6132 6720 7008 7665 8176 8760 9344 10220 11680 12264 13440 14016 15330 16352 17520 20440 23360 24528 28032 30660 32704 35040 40880 46720 49056 61320 65408 70080 81760 98112 122640 140160 140897 163520 196224 245280 281794 327040 422691 490560 563588 704485 845382 981120 986279 1127176 1408970 1690764 1972558 2113455 2254352 2817940 2958837 3381528 3945116 4226910 4508704 4931395 5635880 5917674 6763056 7890232 8453820 9017408 9862790 10285481 11271760 11835348 13526112 14794185 15780464 16907640 18034816 19725580 20570962 22543520 23670696 27052224 29588370 30856443 31560928 33815280 39451160 41141924 45087040 47341392 51427405 54104448 59176740 61712886 63121856 67630560 71998367 78902320 82283848 90174080 94682784 102854810 118353480 123425772 126243712 135261120 143996734 154282215 157804640 164567696 189365568 205709620 215995101 236706960 246851544 270522240 287993468 308564430 315609280 329135392 359991835 378731136 411419240 431990202 473413920 493703088 575986936 617128860 631218560 658270784 719983670 822838480 863980404 946827840 987406176 1079975505 1151973872 1234257720 1316541568 1439967340 1645676960 1727960808 1893655680 1974812352 2159951010 2303947744 2468515440 2879934680 3291353920 3455921616 3949624704 4319902020 4607895488 4937030880 5759869360 6582707840 6911843232 8639804040 9215790976 9874061760 11519738720 13823686464 17279608080 19748123520 23039477440 27647372928 34559216160 46078954880 69118432320 138236864640
- Sum of all divisors σ(n): 510479089920
- Sum of proper divisors (its aliquot sum) s(n): 372242225280
- 138236864640 is an abundant number, because the sum of its proper divisors (372242225280) is greater than itself. Its abundance is 234005360640
Bases of 138236864640
- Binary: 100000001011111000111100101000100000002
- Hexadecimal: 0x202F8F2880
- Base-36: 1RI6NREO
Squares and roots of 138236864640
- 138236864640 squared (1382368646402) is 19109430745497682329600
- 138236864640 cubed (1382368646403) is 2641627791312817401630635065344000
-
The
square root of 138236864640 is 371802.1848241347 -
The
cube root of 138236864640 is 5170.6041647605
Scales and comparisons
How big is 138236864640?- 138,236,864,640 seconds is equal to 4,395 years, 26 weeks, 1 day, 17 hours, 4 minutes.
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To count from 1 to 138,236,864,640 would take you about eight thousand, seven hundred ninety-one 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 138236864640 cubic inches would be around 430.9 feet tall.
Recreational maths with 138236864640
- 138236864640 backwards is 046468632831
- The number of decimal digits it has is: 12
- The sum of 138236864640's digits is 51
- More coming soon!
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