990639471250

Names of 990639471250

• Cardinal: 990639471250 can be written as Nine hundred ninety billion, six hundred thirty-nine million, four hundred seventy-one thousand, two hundred fifty.

Scientific notation

• Scientific notation: 9.9063947125 × 10¹¹

Factors of 990639471250

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 736

Divisors of 990639471250

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 5 10 11 13 22 25 26 50 55 65 67 110 125 130 134 143 181 250 275 286 325 335 362 457 550 625 650 670 715 737 871 905 914 1250 1375 1430 1474 1625 1675 1742 1810 1991 2285 2353 2750 3250 3350 3575 3685 3982 4355 4525 4570 4706 5027 5941 6875 7150 7370 8125 8375 8710 9050 9581 9955 10054 11425 11765 11882 12127 13750 16250 16750 17875 18425 19162 19910 21775 22625 22850 23530 24254 25135 25883 29705 30619 35750 36850 41875 43550 45250 47905 49775 50270 51766 57125 58825 59410 60635 61238 65351 82717 83750 89375 92125 95810 99550 108875 113125 114250 117650 121270 125675 129415 130702 133397 148525 153095 157651 165434 178750 184250 217750 226250 239525 248875 251350 258830 266794 285625 294125 297050 303175 306190 315302 326755 336809 398047 413585 460625 479050 497750 544375 571250 588250 606350 628375 647075 653510 666985 673618 742625 765475 788255 796094 827170 909887 921250 1075321 1088750 1197625 1244375 1256750 1294150 1333970 1470625 1485250 1515875 1530950 1576510 1633775 1684045 1734161 1819774 1990235 2067925 2150642 2395250 2488750 2941250 3031750 3141875 3235375 3267550 3334925 3368090 3468322 3713125 3827375 3941275 3980470 4135850 4378517 4549435 5376605 5542039 5988125 6283750 6470750 6669850 7426250 7579375 7654750 7882550 8168875 8420225 8670805 8757034 9098870 9951175 10339625 10753210 11084078 11828531 11976250 15158750 16176875 16337750 16674625 16840450 17341610 19136875 19706375 19902350 20679250 21892585 22747175 23657062 26883025 27710195 32353750 33349250 38273750 39412750 40844375 42101125 43354025 43785170 45494350 49755875 51698125 53766050 55420390 59142655 60962429 72046507 81688750 83373125 84202250 86708050 98531875 99511750 103396250 109462925 113735875 118285310 121924858 134415125 138550975 144093014 166746250 197063750 210505625 216770125 218925850 227471750 248779375 268830250 277101950 295713275 304812145 360232535 421011250 433540250 497558750 547314625 568679375 591426550 609624290 672075625 692754875 720465070 792511577 1083850625 1094629250 1137358750 1344151250 1385509750 1478566375 1524060725 1585023154 1801162675 2167701250 2736573125 2957132750 3048121450 3463774375 3602325350 3962557885 5473146250 6927548750 7392831875 7620303625 7925115770 9005813375 14785663750 15240607250 18011626750 19812789425 38101518125 39625578850 45029066875 76203036250 90058133750 99063947125 198127894250 495319735625 990639471250
• Sum of all divisors σ(n): 2231142705792
• Sum of proper divisors (its aliquot sum) s(n): 1240503234542
• 990639471250 is an abundant number, because the sum of its proper divisors (1240503234542) is greater than itself. Its abundance is 249863763292

Bases of 990639471250

• Binary: 1110011010100110101101101011101010010010₂
• Hexadecimal: 0xE6A6B6BA92
• Base-36: CN3D5W2A

Squares and roots of 990639471250

• 990639471250 squared (990639471250²) is 981366561998479576562500
• 990639471250 cubed (990639471250³) is 972180452080604151029798892578125000
• The square root of 990639471250 is 995308.7316255191
• The cube root of 990639471250 is 9968.7003730461

Scales and comparisons

• 990,639,471,250 seconds is equal to 31,499 years, 14 weeks, 14 hours, 54 minutes, 10 seconds.
• To count from 1 to 990,639,471,250 would take you about sixty-two thousand, nine hundred ninety-eight 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 990639471250 cubic inches would be around 830.7 feet tall.

Recreational maths with 990639471250

• 990639471250 backwards is 052174936099
• 990639471250 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 990639471250's digits is 55
• More coming soon!