643442112

Names of 643442112

• Cardinal: 643442112 can be written as Six hundred forty-three million, four hundred forty-two thousand, one hundred twelve.

Scientific notation

• Scientific notation: 6.43442112 × 10⁸

Factors of 643442112

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2902

Divisors of 643442112

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 23 24 32 34 36 46 48 51 64 68 69 72 92 96 102 136 138 144 153 184 192 204 207 272 276 288 306 368 391 408 414 544 552 576 612 736 782 816 828 1088 1104 1173 1224 1472 1564 1632 1656 2208 2346 2448 2857 3128 3264 3312 3519 4416 4692 4896 5714 6256 6624 7038 8571 9384 9792 11428 12512 13248 14076 17142 18768 22856 25024 25713 28152 34284 37536 45712 48569 51426 56304 65711 68568 75072 91424 97138 102852 112608 131422 137136 145707 182848 194276 197133 205704 225216 262844 274272 291414 388552 394266 411408 437121 525688 548544 582828 591399 777104 788532 822816 874242 1051376 1117087 1165656 1182798 1554208 1577064 1645632 1748484 2102752 2234174 2331312 2365596 3108416 3154128 3351261 3496968 4205504 4468348 4662624 4731192 6308256 6702522 6993936 8936696 9325248 9462384 10053783 12616512 13405044 13987872 17873392 18924768 20107566 26810088 27975744 35746784 37849536 40215132 53620176 71493568 80430264 107240352 160860528 214480704 321721056 643442112
• Sum of all divisors σ(n): 2038417056
• Sum of proper divisors (its aliquot sum) s(n): 1394974944
• 643442112 is an abundant number, because the sum of its proper divisors (1394974944) is greater than itself. Its abundance is 751532832

Bases of 643442112

• Binary: 100110010110100010010111000000₂
• Hexadecimal: 0x265A25C0
• Base-36: AN3740

Squares and roots of 643442112

• 643442112 squared (643442112²) is 414017751495020544
• 643442112 cubed (643442112³) is 266396456427447176314748928
• The square root of 643442112 is 25366.1607658707
• The cube root of 643442112 is 863.3160739863

Scales and comparisons

• 643,442,112 seconds is equal to 20 years, 23 weeks, 6 days, 5 hours, 55 minutes, 12 seconds.
• To count from 1 to 643,442,112 would take you about thirty 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 643442112 cubic inches would be around 71.9 feet tall.

Recreational maths with 643442112

• 643442112 backwards is 211244346
• The number of decimal digits it has is: 9
• The sum of 643442112's digits is 27
• More coming soon!