40181220672

Names of 40181220672

• Cardinal: 40181220672 can be written as Forty billion, one hundred eighty-one million, two hundred twenty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 4.0181220672 × 10¹⁰

Factors of 40181220672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 647958

Divisors of 40181220672

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 19 24 32 34 38 48 51 57 64 68 76 96 102 114 136 152 192 204 228 272 304 323 408 456 544 608 646 816 912 969 1088 1216 1292 1632 1824 1938 2584 3264 3648 3876 5168 7752 10336 15504 20672 31008 62016 647917 1295834 1943751 2591668 3887502 5183336 7775004 10366672 11014589 12310423 15550008 20733344 22029178 24620846 31100016 33043767 36931269 41466688 44058356 49241692 62200032 66087534 73862538 88116712 98483384 124400064 132175068 147725076 176233424 196966768 209277191 264350136 295450152 352466848 393933536 418554382 528700272 590900304 627831573 704933696 787867072 837108764 1057400544 1181800608 1255663146 1674217528 2114801088 2363601216 2511326292 3348435056 5022652584 6696870112 10045305168 13393740224 20090610336 40181220672
• Sum of all divisors σ(n): 118491243840
• Sum of proper divisors (its aliquot sum) s(n): 78310023168
• 40181220672 is an abundant number, because the sum of its proper divisors (78310023168) is greater than itself. Its abundance is 38128802496

Bases of 40181220672

• Binary: 100101011010111111001100010101000000₂
• Hexadecimal: 0x95AFCC540
• Base-36: IGIV0AO

Squares and roots of 40181220672

• 40181220672 squared (40181220672²) is 1614530494691960131584
• 40181220672 cubed (40181220672³) is 64873806088890974711402860904448
• The square root of 40181220672 is 200452.5396995509
• The cube root of 40181220672 is 3425.1088298167

Scales and comparisons

• 40,181,220,672 seconds is equal to 1,277 years, 33 weeks, 1 day, 10 hours, 11 minutes, 12 seconds.
• To count from 1 to 40,181,220,672 would take you about two thousand, five hundred fifty-five 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 40181220672 cubic inches would be around 285.4 feet tall.

Recreational maths with 40181220672

• 40181220672 backwards is 27602218104
• The number of decimal digits it has is: 11
• The sum of 40181220672's digits is 33
• More coming soon!