40398706985
40,398,706,985 is an odd composite number composed of seven prime numbers multiplied together.
40398706985 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 40398706985:
5 × 7 × 13 × 61 × 73 × 127 × 157
See below for interesting mathematical facts about the number 40398706985 from the Numbermatics database.
Names of 40398706985
- Cardinal: 40398706985 can be written as Forty billion, three hundred ninety-eight million, seven hundred six thousand, nine hundred eighty-five.
Scientific notation
- Scientific notation: 4.0398706985 × 1010
Factors of 40398706985
Divisors of 40398706985
- Number of divisors d(n): 128
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Complete list of divisors:
1 5 7 13 35 61 65 73 91 127 157 305 365 427 455 511 635 785 793 889 949 1099 1651 2041 2135 2555 3965 4445 4453 4745 5495 5551 6643 7747 8255 9271 9577 10205 11461 11557 14287 19939 22265 27755 31171 33215 38735 46355 47885 54229 57305 57785 57889 64897 67039 71435 80227 99695 100711 120523 124501 139573 148993 155855 259207 271145 289445 324485 335195 401135 405223 503555 565531 602615 622505 697865 699121 704977 744965 843661 871507 1042951 1216279 1296035 1455547 1814449 2026115 2827655 3495605 3524885 3958717 4218305 4357535 4893847 5214755 6081395 7277735 7351903 8513953 9072245 9088573 10188829 15811627 18922111 19793585 24469235 36759515 42569765 45442865 50944145 51463321 63620011 79058135 88788367 94610555 110681389 132454777 257316605 318100055 443941835 553406945 621518569 662273885 1154248771 3107592845 5771243855 8079741397 40398706985
- Sum of all divisors σ(n): 62353342464
- Sum of proper divisors (its aliquot sum) s(n): 21954635479
- 40398706985 is a deficient number, because the sum of its proper divisors (21954635479) is less than itself. Its deficiency is 18444071506
Bases of 40398706985
- Binary: 1001011001111111001101011001001010012
- Hexadecimal: 0x967F35929
- Base-36: IK4CHT5
Squares and roots of 40398706985
- 40398706985 squared (403987069852) is 1632055526059887790225
- 40398706985 cubed (403987069853) is 65932932980543438399278922221625
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The
square root of 40398706985 is 200994.2959016499 -
The
cube root of 40398706985 is 3431.2773360839
Scales and comparisons
How big is 40398706985?- 40,398,706,985 seconds is equal to 1,284 years, 28 weeks, 5 days, 15 hours, 3 minutes, 5 seconds.
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To count from 1 to 40,398,706,985 would take you about two thousand, five hundred sixty-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 40398706985 cubic inches would be around 285.9 feet tall.
Recreational maths with 40398706985
- 40398706985 backwards is 58960789304
- The number of decimal digits it has is: 11
- The sum of 40398706985's digits is 59
- More coming soon!
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Keywords: Divisors of 40398706985, math, Factors of 40398706985, curriculum, school, college, exams, university, Prime factorization of 40398706985, STEM, science, technology, engineering, physics, economics, calculator, forty billion, three hundred ninety-eight million, seven hundred six thousand, nine hundred eighty-five.