138372656640
138,372,656,640 is an even composite number composed of five prime numbers multiplied together.
138372656640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 138372656640:
29 × 3 × 5 × 1279 × 14087
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 1279 × 14087)See below for interesting mathematical facts about the number 138372656640 from the Numbermatics database.
Names of 138372656640
- Cardinal: 138372656640 can be written as One hundred thirty-eight billion, three hundred seventy-two million, six hundred fifty-six thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.3837265664 × 1011
Factors of 138372656640
Divisors of 138372656640
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1279 1280 1536 1920 2558 2560 3837 3840 5116 6395 7674 7680 10232 12790 14087 15348 19185 20464 25580 28174 30696 38370 40928 42261 51160 56348 61392 70435 76740 81856 84522 102320 112696 122784 140870 153480 163712 169044 204640 211305 225392 245568 281740 306960 327424 338088 409280 422610 450784 491136 563480 613920 654848 676176 818560 845220 901568 982272 1126960 1227840 1352352 1637120 1690440 1803136 1964544 2253920 2455680 2704704 3274240 3380880 3606272 4507840 4911360 5409408 6761760 7212544 9015680 9822720 10818816 13523520 18017273 18031360 21637632 27047040 36034546 36062720 54051819 54094080 72069092 90086365 108103638 108188160 144138184 180172730 216207276 270259095 288276368 360345460 432414552 540518190 576552736 720690920 864829104 1081036380 1153105472 1441381840 1729658208 2162072760 2306210944 2882763680 3459316416 4324145520 4612421888 5765527360 6918632832 8648291040 9224843776 11531054720 13837265664 17296582080 23062109440 27674531328 34593164160 46124218880 69186328320 138372656640
- Sum of all divisors σ(n): 442737377280
- Sum of proper divisors (its aliquot sum) s(n): 304364720640
- 138372656640 is an abundant number, because the sum of its proper divisors (304364720640) is greater than itself. Its abundance is 165992064000
Bases of 138372656640
- Binary: 100000001101111010011100101110000000002
- Hexadecimal: 0x2037A72E00
- Base-36: 1RKFI96O
Squares and roots of 138372656640
- 138372656640 squared (1383726566402) is 19146992105611336089600
- 138372656640 cubed (1383726566403) is 2649420164318548026017861074944000
-
The
square root of 138372656640 is 371984.7532359357 -
The
cube root of 138372656640 is 5172.2966628867
Scales and comparisons
How big is 138372656640?- 138,372,656,640 seconds is equal to 4,399 years, 42 weeks, 5 days, 9 hours, 4 minutes.
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To count from 1 to 138,372,656,640 would take you about eight thousand, seven hundred ninety-nine 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 138372656640 cubic inches would be around 431 feet tall.
Recreational maths with 138372656640
- 138372656640 backwards is 046656273831
- The number of decimal digits it has is: 12
- The sum of 138372656640's digits is 51
- More coming soon!
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