643142427363904

Names of 643142427363904

• Cardinal: 643142427363904 can be written as Six hundred forty-three trillion, one hundred forty-two billion, four hundred twenty-seven million, three hundred sixty-three thousand, nine hundred four.

Scientific notation

• Scientific notation: 6.43142427363904 × 10¹⁴

Factors of 643142427363904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 144593

Divisors of 643142427363904

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 8 13 16 26 32 37 52 64 74 104 148 208 296 416 481 592 832 962 1184 1924 2368 3848 7696 15392 30784 144541 289082 578164 1156328 1879033 2312656 3758066 4625312 5348017 7516132 9250624 10696034 15032264 21392068 30064528 42784136 60129056 69524221 85568272 120258112 139048442 171136544 278096884 342273088 556193768 1112387536 2224775072 4449550144 20892100681 41784201362 83568402724 167136805448 271597308853 334273610896 543194617706 668547221792 773007725197 1086389235412 1337094443584 1546015450394 2172778470824 3092030900788 4345556941648 6184061801576 8691113883296 10049100427561 12368123603152 17382227766592 20098200855122 24736247206304 40196401710244 49472494412608 80392803420488 160785606840976 321571213681952 643142427363904
• Sum of all divisors σ(n): 1411563656246772
• Sum of proper divisors (its aliquot sum) s(n): 768421228882868
• 643142427363904 is an abundant number, because the sum of its proper divisors (768421228882868) is greater than itself. Its abundance is 125278801518964

Bases of 643142427363904

• Binary: 10010010001110111101000011111011000100101001000000₂
• Hexadecimal: 0x248EF43EC4A40
• Base-36: 6BZ3JVT1Z4

Squares and roots of 643142427363904

• 643142427363904 squared (643142427363904²) is 413632181875534532642442121216
• 643142427363904 cubed (643142427363904³) is 266024405487259096759205467612601688910987264
• The square root of 643142427363904 is 25360252.9041786963
• The cube root of 643142427363904 is 86318.2022693591

Scales and comparisons

• 643,142,427,363,904 seconds is equal to 20,449,939 years, 42 weeks, 4 days, 11 hours, 45 minutes, 4 seconds.
• To count from 1 to 643,142,427,363,904 would take you about fifty-one million, one hundred twenty-four thousand, eight hundred forty-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 643142427363904 cubic inches would be around 7193.2 feet tall.

Recreational maths with 643142427363904

• 643142427363904 backwards is 409363724241346
• The number of decimal digits it has is: 15
• The sum of 643142427363904's digits is 58
• More coming soon!