138421794875
138,421,794,875 is an odd composite number composed of five prime numbers multiplied together.
138421794875 is an odd 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 138421794875:
53 × 7 × 132 × 192 × 2593
(5 × 5 × 5 × 7 × 13 × 13 × 19 × 19 × 2593)See below for interesting mathematical facts about the number 138421794875 from the Numbermatics database.
Names of 138421794875
- Cardinal: 138421794875 can be written as One hundred thirty-eight billion, four hundred twenty-one million, seven hundred ninety-four thousand, eight hundred seventy-five.
Scientific notation
- Scientific notation: 1.38421794875 × 1011
Factors of 138421794875
Divisors of 138421794875
- Number of divisors d(n): 144
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Complete list of divisors:
1 5 7 13 19 25 35 65 91 95 125 133 169 175 247 325 361 455 475 665 845 875 1183 1235 1625 1729 1805 2275 2375 2527 2593 3211 3325 4225 4693 5915 6175 8645 9025 11375 12635 12965 16055 16625 18151 21125 22477 23465 29575 30875 32851 33709 43225 45125 49267 61009 63175 64825 80275 90755 112385 117325 147875 164255 168545 216125 235963 246335 305045 315875 324125 344869 401375 427063 438217 453775 561925 586625 640471 821275 842725 936073 1179815 1231675 1525225 1724345 2135315 2191085 2268875 2809625 3067519 3202355 4106375 4213625 4483297 4680365 5899075 6158375 6552511 7626125 8326123 8621725 10676575 10955425 12168949 15337595 16011775 22416485 23401825 29495375 32762555 41630615 43108625 53382875 54777125 58282861 60844745 76687975 80058875 85182643 112082425 117009125 158196337 163812775 208153075 291414305 304223725 383439875 425913215 560412125 790981685 819063875 1040765375 1107374359 1457071525 1521118625 2129566075 3954908425 5536871795 7285357625 10647830375 19774542125 27684358975 138421794875
- Sum of all divisors σ(n): 225715104576
- Sum of proper divisors (its aliquot sum) s(n): 87293309701
- 138421794875 is a deficient number, because the sum of its proper divisors (87293309701) is less than itself. Its deficiency is 51128485174
Bases of 138421794875
- Binary: 100000001110101001010011111000001110112
- Hexadecimal: 0x203A94F83B
- Base-36: 1RL8RGHN
Squares and roots of 138421794875
- 138421794875 squared (1384217948752) is 19160593296416576265625
- 138421794875 cubed (1384217948753) is 2652243714959875392390137263671875
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The
square root of 138421794875 is 372050.7960951033 -
The
cube root of 138421794875 is 5172.9088441661
Scales and comparisons
How big is 138421794875?- 138,421,794,875 seconds is equal to 4,401 years, 20 weeks, 2 hours, 34 minutes, 35 seconds.
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To count from 1 to 138,421,794,875 would take you about eight thousand, eight hundred two 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 138421794875 cubic inches would be around 431.1 feet tall.
Recreational maths with 138421794875
- 138421794875 backwards is 578497124831
- The number of decimal digits it has is: 12
- The sum of 138421794875's digits is 59
- More coming soon!
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