80642748672

Names of 80642748672

• Cardinal: 80642748672 can be written as Eighty billion, six hundred forty-two million, seven hundred forty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 8.0642748672 × 10¹⁰

Factors of 80642748672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1521819

Divisors of 80642748672

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 64 69 72 92 96 128 138 144 184 192 207 256 276 288 368 384 414 552 576 736 768 828 1104 1152 1472 1656 2208 2304 2944 3312 4416 5888 6624 8832 13248 17664 26496 52992 1521791 3043582 4565373 6087164 9130746 12174328 13696119 18261492 24348656 27392238 35001193 36522984 48697312 54784476 70002386 73045968 97394624 105003579 109568952 140004772 146091936 194789248 210007158 219137904 280009544 292183872 315010737 389578496 420014316 438275808 560019088 584367744 630021474 840028632 876551616 1120038176 1168735488 1260042948 1680057264 1753103232 2240076352 2520085896 3360114528 3506206464 4480152704 5040171792 6720229056 8960305408 10080343584 13440458112 20160687168 26880916224 40321374336 80642748672
• Sum of all divisors σ(n): 242622342144
• Sum of proper divisors (its aliquot sum) s(n): 161979593472
• 80642748672 is an abundant number, because the sum of its proper divisors (161979593472) is greater than itself. Its abundance is 81336844800

Bases of 80642748672

• Binary: 1001011000110101011101011000100000000₂
• Hexadecimal: 0x12C6AEB100
• Base-36: 111OLZ40

Squares and roots of 80642748672

• 80642748672 squared (80642748672²) is 6503252913375357763584
• 80642748672 cubed (80642748672³) is 524440190243780763326788505960448
• The square root of 80642748672 is 283976.6692388657
• The cube root of 80642748672 is 4320.3782796323

Scales and comparisons

• 80,642,748,672 seconds is equal to 2,564 years, 9 weeks, 6 days, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 80,642,748,672 would take you about five thousand, one hundred twenty-eight 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 80642748672 cubic inches would be around 360 feet tall.

Recreational maths with 80642748672

• 80642748672 backwards is 27684724608
• The number of decimal digits it has is: 11
• The sum of 80642748672's digits is 54
• More coming soon!