661121097

Names of 661121097

• Cardinal: 661121097 can be written as Six hundred sixty-one million, one hundred twenty-one thousand and ninety-seven.

Scientific notation

• Scientific notation: 6.61121097 × 10⁸

Factors of 661121097

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 654

Divisors of 661121097

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 13 21 31 39 91 93 191 217 273 403 409 573 651 1209 1227 1337 2483 2821 2863 4011 5317 5921 7449 8463 8589 12679 15951 17381 17763 37219 38037 41447 52143 76973 78119 88753 111657 124341 164827 230919 234357 266259 494481 538811 546833 1015547 1153789 1616433 1640499 2421689 3046641 3461367 7108829 7265067 16951823 21326487 31481957 50855469 94445871 220373699 661121097
• Sum of all divisors σ(n): 1128529920
• Sum of proper divisors (its aliquot sum) s(n): 467408823
• 661121097 is a deficient number, because the sum of its proper divisors (467408823) is less than itself. Its deficiency is 193712274

Bases of 661121097

• Binary: 100111011001111110100001001001₂
• Hexadecimal: 0x2767E849
• Base-36: AXM4AX

Squares and roots of 661121097

• 661121097 squared (661121097²) is 437081104898483409
• 661121097 cubed (661121097³) is 288963539548457424994379673
• The square root of 661121097 is 25712.2752202135
• The cube root of 661121097 is 871.1514664817

Scales and comparisons

• 661,121,097 seconds is equal to 21 years, 1 week, 20 hours, 44 minutes, 57 seconds.
• To count from 1 to 661,121,097 would take you about thirty-one 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 661121097 cubic inches would be around 72.6 feet tall.

Recreational maths with 661121097

• 661121097 backwards is 790121166
• The number of decimal digits it has is: 9
• The sum of 661121097's digits is 33
• More coming soon!