990326390625

Names of 990326390625

• Cardinal: 990326390625 can be written as Nine hundred ninety billion, three hundred twenty-six million, three hundred ninety thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 9.90326390625 × 10¹¹

Factors of 990326390625

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 69

Divisors of 990326390625

• Number of divisors d(n): 420
• Complete list of divisors:
  1 3 5 9 11 13 15 25 33 37 39 45 55 65 75 99 111 117 121 125 143 165 185 195 225 275 325 333 363 375 407 429 481 495 555 585 605 625 715 825 925 975 1089 1125 1221 1287 1331 1375 1443 1573 1625 1665 1815 1875 2035 2145 2405 2475 2775 2925 3025 3125 3575 3663 3993 4125 4329 4477 4625 4719 4875 5291 5445 5625 6105 6435 6655 6875 7215 7865 8125 8325 9075 9375 10175 10725 11979 12025 12375 13431 13875 14157 14625 14641 15125 15625 15873 17303 17875 18315 19965 20625 21645 22385 23125 23595 24375 26455 27225 28125 30525 32175 33275 34375 36075 39325 40293 40625 41625 43923 45375 46875 47619 49247 50875 51909 53625 58201 59895 60125 61875 67155 69375 70785 73125 73205 75625 79365 86515 89375 91575 99825 103125 108225 111925 115625 117975 121875 131769 132275 136125 140625 147741 152625 155727 160875 166375 171875 174603 180375 190333 196625 201465 203125 208125 219615 226875 238095 246235 254375 259545 268125 291005 299475 300625 309375 335775 346875 353925 365625 366025 378125 396825 432575 443223 446875 457875 499125 515625 523809 541125 541717 559625 570999 578125 589875 609375 640211 658845 661375 680625 738705 763125 778635 804375 831875 873015 901875 951665 983125 1007325 1040625 1098075 1134375 1190475 1231175 1271875 1297725 1340625 1455025 1497375 1503125 1546875 1625151 1678875 1712997 1734375 1769625 1828125 1830125 1890625 1920633 1984125 2162875 2216115 2234375 2289375 2495625 2619045 2705625 2708585 2798125 2854995 2949375 3201055 3294225 3306875 3403125 3693525 3815625 3893175 4021875 4159375 4365075 4509375 4758325 4875453 4915625 5036625 5203125 5490375 5671875 5761899 5952375 6155875 6359375 6488625 6703125 7042321 7275125 7486875 7515625 8125755 8394375 8564985 8848125 9150625 9603165 9920625 10814375 11080575 11446875 12478125 13095225 13528125 13542925 13990625 14274975 14746875 16005275 16471125 16534375 17015625 18467625 19078125 19465875 20109375 20796875 21126963 21825375 22546875 23791625 24377265 24578125 25183125 27451875 28809495 29761875 30779375 32443125 35211605 36375625 37434375 40628775 41971875 42824925 44240625 45753125 48015825 49603125 54071875 55402875 57234375 62390625 63380889 65476125 67640625 67714625 69953125 71374875 73734375 80026375 82355625 82671875 92338125 97329375 105634815 109126875 118958125 121886325 125915625 137259375 144047475 148809375 153896875 162215625 176058025 181878125 187171875 203143875 209859375 214124625 221203125 228765625 240079125 248015625 270359375 277014375 316904445 327380625 338573125 356874375 400131875 411778125 461690625 486646875 528174075 545634375 594790625 609431625 629578125 686296875 720237375 744046875 769484375 811078125 880290125 909390625 1015719375 1070623125 1200395625 1385071875 1584522225 1636903125 1692865625 1784371875 2000659375 2058890625 2308453125 2433234375 2640870375 2728171875 2973953125 3047158125 3601186875 4401450625 5078596875 5353115625 6001978125 6925359375 7922611125 8184515625 8464328125 8921859375 10003296875 13204351875 15235790625 18005934375 22007253125 25392984375 26765578125 30009890625 39613055625 66021759375 76178953125 90029671875 110036265625 198065278125 330108796875 990326390625
• Sum of all divisors σ(n): 2175405357580
• Sum of proper divisors (its aliquot sum) s(n): 1185078966955
• 990326390625 is an abundant number, because the sum of its proper divisors (1185078966955) is greater than itself. Its abundance is 194752576330

Bases of 990326390625

• Binary: 1110011010010100000011010111111101100001₂
• Hexadecimal: 0xE6940D7F61
• Base-36: CMY6RHI9

Squares and roots of 990326390625

• 990326390625 squared (990326390625²) is 980746359968340087890625
• 990326390625 cubed (990326390625³) is 971259002786053228513217926025390625
• The square root of 990326390625 is 995151.4410505569
• The cube root of 990326390625 is 9967.6500966409

Scales and comparisons

• 990,326,390,625 seconds is equal to 31,489 years, 16 weeks, 3 days, 3 minutes, 45 seconds.
• To count from 1 to 990,326,390,625 would take you about sixty-two thousand, nine hundred seventy-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 990326390625 cubic inches would be around 830.6 feet tall.

Recreational maths with 990326390625

• 990326390625 backwards is 526093623099
• The number of decimal digits it has is: 12
• The sum of 990326390625's digits is 54
• More coming soon!