138900000981
138,900,000,981 is an odd composite number composed of seven prime numbers multiplied together.
138900000981 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 138900000981:
3 × 7 × 17 × 67 × 97 × 131 × 457
See below for interesting mathematical facts about the number 138900000981 from the Numbermatics database.
Names of 138900000981
- Cardinal: 138900000981 can be written as One hundred thirty-eight billion, nine hundred million, nine hundred eighty-one.
Scientific notation
- Scientific notation: 1.38900000981 × 1011
Factors of 138900000981
Divisors of 138900000981
- Number of divisors d(n): 128
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Complete list of divisors:
1 3 7 17 21 51 67 97 119 131 201 291 357 393 457 469 679 917 1139 1371 1407 1649 2037 2227 2751 3199 3417 4947 6499 6681 7769 7973 8777 9597 11543 12707 15589 19497 23307 23919 26331 30619 34629 38121 44329 45493 46767 54383 59867 61439 88949 91857 110483 132987 136479 149209 163149 179601 184317 214333 216019 266847 310303 331449 419069 447627 520523 642999 648057 753593 773381 851369 930909 1017739 1044463 1257207 1512133 1561569 2260779 2320143 2554107 2970043 3053217 3133389 3643661 4011089 4536399 5275151 5807099 5959583 7124173 8910129 10930983 12033267 14473273 15825453 17421297 17878749 20790301 21372519 28077623 40649693 43419819 50490731 62370903 68188513 84232869 98720683 101312911 121949079 151472193 204565539 296162049 303938733 353435117 389075633 477319591 691044781 1060305351 1167226899 1431958773 2073134343 2723529431 6614285761 8170588293 19842857283 46300000327 138900000981
- Sum of all divisors σ(n): 232058179584
- Sum of proper divisors (its aliquot sum) s(n): 93158178603
- 138900000981 is a deficient number, because the sum of its proper divisors (93158178603) is less than itself. Its deficiency is 45741822378
Bases of 138900000981
- Binary: 100000010101110001010111010000110101012
- Hexadecimal: 0x205715D0D5
- Base-36: 1RT5H2OL
Squares and roots of 138900000981
- 138900000981 squared (1389000009812) is 19293210272521800962361
- 138900000981 cubed (1389000009813) is 2679826925779917431015829644076141
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The
square root of 138900000981 is 372692.9043877815 -
The
cube root of 138900000981 is 5178.8589509885
Scales and comparisons
How big is 138900000981?- 138,900,000,981 seconds is equal to 4,416 years, 30 weeks, 4 days, 21 hours, 36 minutes, 21 seconds.
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To count from 1 to 138,900,000,981 would take you about eight thousand, eight hundred thirty-three 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 138900000981 cubic inches would be around 431.6 feet tall.
Recreational maths with 138900000981
- 138900000981 backwards is 189000009831
- The number of decimal digits it has is: 12
- The sum of 138900000981's digits is 39
- More coming soon!
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The information we have on file for 138900000981 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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