90193939992

Names of 90193939992

• Cardinal: 90193939992 can be written as Ninety billion, one hundred ninety-three million, nine hundred thirty-nine thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 9.0193939992 × 10¹⁰

Factors of 90193939992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 11754

Divisors of 90193939992

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 81 104 108 117 156 162 216 234 312 324 351 468 648 702 936 997 1053 1404 1994 2106 2808 2991 3988 4212 5982 7976 8424 8973 10739 11964 12961 17946 21478 23928 25922 26919 32217 35892 38883 42956 51844 53838 64434 71784 77766 80757 85912 96651 103688 107676 116649 128868 139607 155532 161514 193302 215352 233298 257736 279214 289953 311064 323028 349947 386604 418821 466596 558428 579906 646056 699894 773208 837642 869859 933192 1049841 1116856 1159812 1256463 1399788 1675284 1739718 2099682 2319624 2512926 2799576 3350568 3479436 3769389 4199364 5025852 6958872 7538778 8398728 10051704 10706783 11308167 15077556 21413566 22616334 30155112 32120349 42827132 45232668 64240698 85654264 90465336 96361047 128481396 139188179 192722094 256962792 278376358 289083141 385444188 417564537 556752716 578166282 770888376 835129074 867249423 1113505432 1156332564 1252693611 1670258148 1734498846 2312665128 2505387222 3340516296 3468997692 3758080833 5010774444 6937995384 7516161666 10021548888 11274242499 15032323332 22548484998 30064646664 45096969996 90193939992
• Sum of all divisors σ(n): 272357593200
• Sum of proper divisors (its aliquot sum) s(n): 182163653208
• 90193939992 is an abundant number, because the sum of its proper divisors (182163653208) is greater than itself. Its abundance is 91969713216

Bases of 90193939992

• Binary: 1010011111111111110100100111000011000₂
• Hexadecimal: 0x14FFFA4E18
• Base-36: 15FN55I0

Squares and roots of 90193939992

• 90193939992 squared (90193939992²) is 8134946811280496960064
• 90193939992 cubed (90193939992³) is 733722904534744891495950836479488
• The square root of 90193939992 is 300323.0593744011
• The cube root of 90193939992 is 4484.6214134413

Scales and comparisons

• 90,193,939,992 seconds is equal to 2,867 years, 46 weeks, 1 day, 8 hours, 13 minutes, 12 seconds.
• To count from 1 to 90,193,939,992 would take you about five thousand, seven hundred thirty-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 90193939992 cubic inches would be around 373.7 feet tall.

Recreational maths with 90193939992

• 90193939992 backwards is 29993939109
• The number of decimal digits it has is: 11
• The sum of 90193939992's digits is 63
• More coming soon!