90730007172

Names of 90730007172

• Cardinal: 90730007172 can be written as Ninety billion, seven hundred thirty million, seven thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 9.0730007172 × 10¹⁰

Factors of 90730007172

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1850

Divisors of 90730007172

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 37 42 54 63 74 84 108 111 126 148 189 222 252 259 333 378 444 518 666 756 777 999 1036 1332 1554 1801 1998 2331 3108 3602 3996 4662 5403 6993 7204 9324 10806 12607 13986 16209 21612 25214 27972 32418 37821 48627 50428 64836 66637 75642 97254 113463 133274 151284 194508 199911 226926 266548 340389 399822 453852 466459 599733 680778 799644 932918 1199466 1361556 1399377 1799199 1865836 2398932 2798754 3243601 3598398 4198131 5597508 6487202 7196796 8396262 9730803 12594393 12974404 16792524 19461606 22705207 25188786 29192409 38923212 45410414 50377572 58384818 68115621 87577227 90820828 116769636 120013237 136231242 175154454 204346863 240026474 272462484 350308908 360039711 408693726 480052948 613040589 720079422 817387452 840092659 1080119133 1226081178 1440158844 1680185318 2160238266 2452162356 2520277977 3240357399 3360370636 4320476532 5040555954 6480714798 7560833931 10081111908 12961429596 15121667862 22682501793 30243335724 45365003586 90730007172
• Sum of all divisors σ(n): 276248703360
• Sum of proper divisors (its aliquot sum) s(n): 185518696188
• 90730007172 is an abundant number, because the sum of its proper divisors (185518696188) is greater than itself. Its abundance is 94788689016

Bases of 90730007172

• Binary: 1010100011111111011100000101010000100₂
• Hexadecimal: 0x151FEE0A84
• Base-36: 15OIAXL0

Squares and roots of 90730007172

• 90730007172 squared (90730007172²) is 8231934201431171437584
• 90730007172 cubed (90730007172³) is 746883449135282277196357870352448
• The square root of 90730007172 is 301214.2213973305
• The cube root of 90730007172 is 4493.4886432629

Scales and comparisons

• 90,730,007,172 seconds is equal to 2,884 years, 48 weeks, 3 days, 19 hours, 46 minutes, 12 seconds.
• To count from 1 to 90,730,007,172 would take you about five thousand, seven hundred sixty-nine 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 90730007172 cubic inches would be around 374.5 feet tall.

Recreational maths with 90730007172

• 90730007172 backwards is 27170003709
• 90730007172 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 90730007172's digits is 36
• More coming soon!