400378974645
400,378,974,645 is an odd composite number composed of five prime numbers multiplied together.
400378974645 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 400378974645:
3 × 5 × 13 × 313 × 413
(3 × 5 × 13 × 31 × 31 × 31 × 41 × 41 × 41)See below for interesting mathematical facts about the number 400378974645 from the Numbermatics database.
Names of 400378974645
- Cardinal: 400378974645 can be written as Four hundred billion, three hundred seventy-eight million, nine hundred seventy-four thousand, six hundred forty-five.
Scientific notation
- Scientific notation: 4.00378974645 × 1011
Factors of 400378974645
Divisors of 400378974645
- Number of divisors d(n): 128
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Complete list of divisors:
1 3 5 13 15 31 39 41 65 93 123 155 195 205 403 465 533 615 961 1209 1271 1599 1681 2015 2665 2883 3813 4805 5043 6045 6355 7995 8405 12493 14415 16523 19065 21853 25215 29791 37479 39401 49569 52111 62465 65559 68921 82615 89373 109265 118203 148955 156333 187395 197005 206763 247845 260555 327795 344605 387283 446865 512213 591015 677443 781665 895973 1033815 1161849 1221431 1536639 1615441 1936415 2032329 2136551 2561065 2687919 3387215 3664293 4479865 4846323 5809245 6107155 6409653 7683195 8077205 10161645 10682755 13439595 15878603 18321465 21000733 24231615 27775163 32048265 47635809 50078671 63002199 66233081 79393015 83325489 105003665 138875815 150236013 198699243 238179045 250393355 315010995 331165405 416627445 651022723 751180065 861030053 993496215 1953068169 2053225511 2583090159 3255113615 4305150265 6159676533 9765340845 10266127555 12915450795 26691931643 30798382665 80075794929 133459658215 400378974645
- Sum of all divisors σ(n): 730700845056
- Sum of proper divisors (its aliquot sum) s(n): 330321870411
- 400378974645 is a deficient number, because the sum of its proper divisors (330321870411) is less than itself. Its deficiency is 70057104234
Bases of 400378974645
- Binary: 1011101001110000111001001010001101101012
- Hexadecimal: 0x5D387251B5
- Base-36: 53XJAY0L
Squares and roots of 400378974645
- 400378974645 squared (4003789746452) is 160303323337781552876025
- 400378974645 cubed (4003789746453) is 64182080230166877129498740303386125
-
The
square root of 400378974645 is 632755.0668663191 -
The
cube root of 400378974645 is 7370.3891870119
Scales and comparisons
How big is 400378974645?- 400,378,974,645 seconds is equal to 12,730 years, 42 weeks, 1 day, 21 hours, 50 minutes, 45 seconds.
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To count from 1 to 400,378,974,645 would take you about twenty-five thousand, four hundred sixty-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 400378974645 cubic inches would be around 614.2 feet tall.
Recreational maths with 400378974645
- 400378974645 backwards is 546479873004
- The number of decimal digits it has is: 12
- The sum of 400378974645's digits is 57
- More coming soon!
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