138397778944
138,397,778,944 is an even composite number composed of four prime numbers multiplied together.
What does the number 138397778944 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 176 divisors.
138397778944 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred seventy-six divisors.
Prime factorization of 138397778944:
210 × 37 × 413 × 53
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 37 × 41 × 41 × 41 × 53)See below for interesting mathematical facts about the number 138397778944 from the Numbermatics database.
Names of 138397778944
- Cardinal: 138397778944 can be written as One hundred thirty-eight billion, three hundred ninety-seven million, seven hundred seventy-eight thousand, nine hundred forty-four.
Scientific notation
- Scientific notation: 1.38397778944 × 1011
Factors of 138397778944
Divisors of 138397778944
- Number of divisors d(n): 176
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Complete list of divisors:
1 2 4 8 16 32 37 41 53 64 74 82 106 128 148 164 212 256 296 328 424 512 592 656 848 1024 1184 1312 1517 1681 1696 1961 2173 2368 2624 3034 3362 3392 3922 4346 4736 5248 6068 6724 6784 7844 8692 9472 10496 12136 13448 13568 15688 17384 18944 20992 24272 26896 27136 31376 34768 37888 41984 48544 53792 54272 62197 62752 68921 69536 80401 89093 97088 107584 124394 125504 137842 139072 160802 178186 194176 215168 248788 251008 275684 278144 321604 356372 388352 430336 497576 502016 551368 556288 643208 712744 776704 860672 995152 1004032 1102736 1112576 1286416 1425488 1553408 1721344 1990304 2008064 2205472 2225152 2550077 2572832 2850976 3296441 3652813 3980608 4410944 5100154 5145664 5701952 6592882 7305626 7961216 8821888 10200308 10291328 11403904 13185764 14611252 15922432 17643776 20400616 20582656 22807808 26371528 29222504 31844864 35287552 40801232 41165312 45615616 52743056 58445008 63689728 70575104 81602464 82330624 91231232 105486112 116890016 135154081 163204928 210972224 233780032 270308162 326409856 421944448 467560064 540616324 652819712 843888896 935120128 1081232648 1305639424 1687777792 1870240256 2162465296 2611278848 3375555584 3740480512 4324930592 8649861184 17299722368 34599444736 69198889472 138397778944
- Sum of all divisors σ(n): 296736165936
- Sum of proper divisors (its aliquot sum) s(n): 158338386992
- 138397778944 is an abundant number, because the sum of its proper divisors (158338386992) is greater than itself. Its abundance is 19940608048
Bases of 138397778944
- Binary: 100000001110010010011010000100000000002
- Hexadecimal: 0x2039268400
- Base-36: 1RKUGPOG
Squares and roots of 138397778944
- 138397778944 squared (1383977789442) is 19153945216632289755136
- 138397778944 cubed (1383977789443) is 2650863475996961829663868016656384
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The
square root of 138397778944 is 372018.5196250315 -
The
cube root of 138397778944 is 5172.6096634205
Scales and comparisons
How big is 138397778944?- 138,397,778,944 seconds is equal to 4,400 years, 32 weeks, 2 days, 3 hours, 29 minutes, 4 seconds.
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To count from 1 to 138,397,778,944 would take you about eight thousand, eight hundred 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 138397778944 cubic inches would be around 431.1 feet tall.
Recreational maths with 138397778944
- 138397778944 backwards is 449877793831
- The number of decimal digits it has is: 12
- The sum of 138397778944's digits is 70
- More coming soon!
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