155109208040

Names of 155109208040

• Cardinal: 155109208040 can be written as One hundred fifty-five billion, one hundred nine million, two hundred eight thousand and forty.

Scientific notation

• Scientific notation: 1.5510920804 × 10¹¹

Factors of 155109208040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1719

Divisors of 155109208040

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 20 31 40 62 124 155 248 307 310 433 614 620 866 941 1228 1240 1535 1732 1882 2165 2456 3070 3464 3764 4330 4705 6140 7528 8660 9410 9517 12280 13423 17320 18820 19034 26846 29171 37640 38068 47585 53692 58342 67115 76136 95170 107384 116684 132931 134230 145855 190340 233368 265862 268460 288887 291710 380680 407453 531724 536920 577774 583420 664655 814906 1063448 1155548 1166840 1329310 1444435 1629812 2037265 2311096 2658620 2888870 3259624 4074530 4120861 5317240 5777740 8149060 8241722 8955497 11555480 12631043 16298120 16483444 17910994 20604305 25262086 32966888 35821988 41208610 44777485 50524172 63155215 71643976 82417220 89554970 101048344 125088071 126310430 164834440 179109940 250176142 252620860 358219880 500352284 505241720 625440355 1000704568 1250880710 2501761420 3877730201 5003522840 7755460402 15510920804 19388651005 31021841608 38777302010 77554604020 155109208040
• Sum of all divisors σ(n): 362646789120
• Sum of proper divisors (its aliquot sum) s(n): 207537581080
• 155109208040 is an abundant number, because the sum of its proper divisors (207537581080) is greater than itself. Its abundance is 52428373040

Bases of 155109208040

• Binary: 10010000011101001110101010111111101000₂
• Hexadecimal: 0x241D3AAFE8
• Base-36: 1Z980MW8

Squares and roots of 155109208040

• 155109208040 squared (155109208040²) is 24058866418796000641600
• 155109208040 cubed (155109208040³) is 3731751716559598629837907878464000
• The square root of 155109208040 is 393839.0636287873
• The cube root of 155109208040 is 5372.9466313087

Scales and comparisons

• 155,109,208,040 seconds is equal to 4,931 years, 51 weeks, 4 days, 11 hours, 7 minutes, 20 seconds.
• To count from 1 to 155,109,208,040 would take you about nine thousand, eight hundred sixty-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 155109208040 cubic inches would be around 447.7 feet tall.

Recreational maths with 155109208040

• 155109208040 backwards is 040802901551
• The number of decimal digits it has is: 12
• The sum of 155109208040's digits is 35
• More coming soon!