990889453125

Names of 990889453125

• Cardinal: 990889453125 can be written as Nine hundred ninety billion, eight hundred eighty-nine million, four hundred fifty-three thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 9.90889453125 × 10¹¹

Factors of 990889453125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 105

Divisors of 990889453125

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 9 11 13 15 25 27 33 39 45 55 65 73 75 81 99 117 125 135 143 165 195 219 225 243 275 297 325 351 365 375 405 429 495 585 625 657 675 715 803 825 891 949 975 1053 1095 1125 1215 1287 1375 1485 1625 1755 1825 1875 1971 2025 2145 2409 2475 2673 2847 2925 3125 3159 3285 3375 3575 3861 4015 4125 4455 4745 4875 5265 5475 5625 5913 6075 6435 6875 7227 7425 8125 8541 8775 9125 9375 9855 10125 10439 10725 11583 12045 12375 13365 14235 14625 15625 15795 16425 16875 17739 17875 19305 20075 20625 21681 22275 23725 24375 25623 26325 27375 28125 29565 30375 31317 32175 34375 34749 36135 37125 40625 42705 43875 45625 46875 49275 50625 52195 53625 57915 60225 61875 65043 66825 71175 73125 76869 78125 78975 82125 84375 88695 89375 93951 96525 100375 103125 108405 111375 118625 121875 128115 131625 136875 140625 147825 151875 156585 160875 171875 173745 180675 185625 195129 203125 213525 219375 228125 230607 234375 246375 253125 260975 268125 281853 289575 301125 309375 325215 334125 355875 365625 384345 390625 394875 410625 421875 443475 446875 469755 482625 501875 515625 542025 556875 593125 609375 640575 658125 684375 703125 739125 759375 782925 804375 845559 859375 868725 903375 928125 975645 1015625 1067625 1096875 1140625 1153035 1171875 1231875 1265625 1304875 1340625 1409265 1447875 1505625 1546875 1626075 1670625 1779375 1828125 1921725 1974375 2053125 2109375 2217375 2234375 2348775 2413125 2509375 2536677 2578125 2710125 2784375 2965625 3046875 3202875 3290625 3421875 3515625 3695625 3796875 3914625 4021875 4227795 4296875 4343625 4516875 4640625 4878225 5078125 5338125 5484375 5703125 5765175 6159375 6328125 6524375 6703125 7046325 7239375 7528125 7734375 8130375 8353125 8896875 9140625 9608625 9871875 10265625 10546875 11086875 11171875 11743875 12065625 12546875 12683385 12890625 13550625 13921875 14828125 15234375 16014375 16453125 17109375 18478125 18984375 19573125 20109375 21138975 21718125 22584375 23203125 24391125 26690625 27421875 28515625 28825875 30796875 31640625 32621875 33515625 35231625 36196875 37640625 38671875 40651875 41765625 44484375 45703125 48043125 49359375 51328125 55434375 55859375 58719375 60328125 62734375 63416925 67753125 69609375 74140625 80071875 82265625 85546875 92390625 94921875 97865625 100546875 105694875 108590625 112921875 116015625 121955625 133453125 137109375 144129375 153984375 163109375 167578125 176158125 180984375 188203125 203259375 208828125 222421875 240215625 246796875 256640625 277171875 293596875 301640625 313671875 317084625 338765625 348046875 370703125 400359375 411328125 461953125 489328125 502734375 528474375 542953125 564609375 609778125 667265625 720646875 769921875 815546875 880790625 904921875 941015625 1016296875 1044140625 1112109375 1201078125 1233984375 1385859375 1467984375 1508203125 1585423125 1693828125 2001796875 2309765625 2446640625 2642371875 2714765625 2823046875 3048890625 3336328125 3603234375 4077734375 4403953125 4524609375 5081484375 6005390625 6929296875 7339921875 7927115625 8469140625 10008984375 12233203125 13211859375 13573828125 15244453125 18016171875 22019765625 25407421875 30026953125 36699609375 39635578125 66059296875 76222265625 90080859375 110098828125 198177890625 330296484375 990889453125
• Sum of all divisors σ(n): 2209592618688
• Sum of proper divisors (its aliquot sum) s(n): 1218703165563
• 990889453125 is an abundant number, because the sum of its proper divisors (1218703165563) is greater than itself. Its abundance is 227813712438

Bases of 990889453125

• Binary: 1110011010110101100111010010011001000101₂
• Hexadecimal: 0xE6B59D2645
• Base-36: CN7HZVB9

Squares and roots of 990889453125

• 990889453125 squared (990889453125²) is 981861908314361572265625
• 990889453125 cubed (990889453125³) is 972916609373886628925800323486328125
• The square root of 990889453125 is 995434.3037714745
• The cube root of 990889453125 is 9969.5388162599

Scales and comparisons

• 990,889,453,125 seconds is equal to 31,507 years, 11 weeks, 2 days, 22 hours, 18 minutes, 45 seconds.
• To count from 1 to 990,889,453,125 would take you about sixty-three thousand and fourteen 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 990889453125 cubic inches would be around 830.8 feet tall.

Recreational maths with 990889453125

• 990889453125 backwards is 521354988099
• The number of decimal digits it has is: 12
• The sum of 990889453125's digits is 63
• More coming soon!