138388048640
138,388,048,640 is an even composite number composed of five prime numbers multiplied together.
138388048640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138388048640:
28 × 5 × 23 × 349 × 13469
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 23 × 349 × 13469)See below for interesting mathematical facts about the number 138388048640 from the Numbermatics database.
Names of 138388048640
- Cardinal: 138388048640 can be written as One hundred thirty-eight billion, three hundred eighty-eight million, forty-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.3838804864 × 1011
Factors of 138388048640
Divisors of 138388048640
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 8 10 16 20 23 32 40 46 64 80 92 115 128 160 184 230 256 320 349 368 460 640 698 736 920 1280 1396 1472 1745 1840 2792 2944 3490 3680 5584 5888 6980 7360 8027 11168 13469 13960 14720 16054 22336 26938 27920 29440 32108 40135 44672 53876 55840 64216 67345 80270 89344 107752 111680 128432 134690 160540 215504 223360 256864 269380 309787 321080 431008 446720 513728 538760 619574 642160 862016 1027456 1077520 1239148 1284320 1548935 1724032 2054912 2155040 2478296 2568640 3097870 3448064 4310080 4700681 4956592 5137280 6195740 8620160 9401362 9913184 10274560 12391480 17240320 18802724 19826368 23503405 24782960 37605448 39652736 47006810 49565920 75210896 79305472 94013620 99131840 108115663 150421792 188027240 198263680 216231326 300843584 376054480 396527360 432462652 540578315 601687168 752108960 864925304 1081156630 1203374336 1504217920 1729850608 2162313260 3008435840 3459701216 4324626520 6016871680 6919402432 8649253040 13838804864 17298506080 27677609728 34597012160 69194024320 138388048640
- Sum of all divisors σ(n): 346911768000
- Sum of proper divisors (its aliquot sum) s(n): 208523719360
- 138388048640 is an abundant number, because the sum of its proper divisors (208523719360) is greater than itself. Its abundance is 70135670720
Bases of 138388048640
- Binary: 100000001110001001001000001011000000002
- Hexadecimal: 0x2038920B00
- Base-36: 1RKOO5Q8
Squares and roots of 138388048640
- 138388048640 squared (1383880486402) is 19151252006387005849600
- 138388048640 cubed (1383880486403) is 2650304394176782556178409324544000
-
The
square root of 138388048640 is 372005.4416806291 -
The
cube root of 138388048640 is 5172.4884373805
Scales and comparisons
How big is 138388048640?- 138,388,048,640 seconds is equal to 4,400 years, 16 weeks, 1 day, 12 hours, 37 minutes, 20 seconds.
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To count from 1 to 138,388,048,640 would take you about eight thousand, eight hundred 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 138388048640 cubic inches would be around 431 feet tall.
Recreational maths with 138388048640
- 138388048640 backwards is 046840883831
- The number of decimal digits it has is: 12
- The sum of 138388048640's digits is 53
- More coming soon!
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