71661010428

Names of 71661010428

• Cardinal: 71661010428 can be written as Seventy-one billion, six hundred sixty-one million, ten thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 7.1661010428 × 10¹⁰

Factors of 71661010428

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2979

Divisors of 71661010428

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 151 252 302 453 604 906 1057 1093 1359 1723 1812 2114 2186 2718 3171 3279 3446 4228 4372 5169 5436 6342 6558 6892 7651 9513 9837 10338 12061 12684 13116 15302 15507 19026 19674 20676 22953 24122 30604 31014 36183 38052 39348 45906 48244 62028 68859 72366 91812 108549 137718 144732 165043 217098 260173 275436 330086 434196 495129 520346 660172 780519 990258 1040692 1155301 1485387 1561038 1821211 1883239 1980516 2310602 2341557 2970774 3122076 3465903 3642422 3766478 4621204 4683114 5463633 5649717 5941548 6931806 7284844 7532956 9366228 10397709 10927266 11299434 13182673 13863612 16390899 16949151 20795418 21854532 22598868 26365346 32781798 33898302 39548019 41590836 52730692 65563596 67796604 79096038 118644057 158192076 237288114 284369089 474576228 568738178 853107267 1137476356 1706214534 1990583623 2559321801 3412429068 3981167246 5118643602 5971750869 7962334492 10237287204 11943501738 17915252607 23887003476 35830505214 71661010428
• Sum of all divisors σ(n): 208703412736
• Sum of proper divisors (its aliquot sum) s(n): 137042402308
• 71661010428 is an abundant number, because the sum of its proper divisors (137042402308) is greater than itself. Its abundance is 65381391880

Bases of 71661010428

• Binary: 1000010101111010101000011110111111100₂
• Hexadecimal: 0x10AF543DFC
• Base-36: WX545J0

Squares and roots of 71661010428

• 71661010428 squared (71661010428²) is 5135300415561924743184
• 71661010428 cubed (71661010428³) is 368000816630495822501059845922752
• The square root of 71661010428 is 267695.7422672239
• The cube root of 71661010428 is 4153.6284215505

Scales and comparisons

• 71,661,010,428 seconds is equal to 2,278 years, 31 weeks, 20 hours, 13 minutes, 48 seconds.
• To count from 1 to 71,661,010,428 would take you about four thousand, five hundred fifty-seven 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 71661010428 cubic inches would be around 346.1 feet tall.

Recreational maths with 71661010428

• 71661010428 backwards is 82401016617
• 71661010428 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 71661010428's digits is 36
• More coming soon!