990474186688

Names of 990474186688

• Cardinal: 990474186688 can be written as Nine hundred ninety billion, four hundred seventy-four million, one hundred eighty-six thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 9.90474186688 × 10¹¹

Factors of 990474186688

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 238

Divisors of 990474186688

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 32 38 49 56 64 76 83 98 112 127 133 152 166 196 224 254 266 304 332 361 392 448 508 532 581 608 664 722 784 889 931 1016 1064 1162 1216 1328 1444 1568 1577 1778 1862 2032 2128 2324 2413 2527 2656 2888 3136 3154 3556 3724 4064 4067 4256 4648 4826 5054 5312 5776 6223 6308 6889 7112 7448 8128 8134 8512 9296 9652 10108 10541 11039 11552 12446 12616 13778 14224 14896 16268 16891 17689 18592 19304 20216 21082 22078 23104 24892 25232 27556 28448 29792 29963 32536 33782 35378 37184 38608 40432 42164 44156 45847 48223 49784 50464 55112 56896 59584 59926 65072 67564 70756 73787 77216 77273 80864 84328 88312 91694 96446 99568 100928 110224 118237 119852 130144 130891 135128 141512 147574 154432 154546 161728 168656 176624 183388 192892 199136 200279 209741 220448 236474 239704 260288 261782 270256 283024 295148 309092 320929 337312 337561 353248 366776 385784 398272 400558 419482 440896 472948 479408 516509 523564 540512 566048 590296 618184 641858 674624 675122 706496 733552 771568 801116 838964 874903 916237 945896 958816 1033018 1047128 1081024 1132096 1180592 1236368 1283716 1350244 1401953 1467104 1468187 1543136 1602232 1677928 1749806 1832474 1891792 1917632 2066036 2094256 2246503 2361184 2472736 2486929 2567432 2700488 2803906 2934208 2936374 3086272 3204464 3355856 3499612 3664948 3783584 3805301 4132072 4188512 4493006 4722368 4945472 4973858 5134864 5400976 5607812 5872748 6124321 6408928 6413659 6711712 6999224 7329896 7567168 7610602 8264144 8377024 8986012 9813671 9947716 10269728 10801952 11215624 11745496 12248642 12817856 12827318 13423424 13998448 14659792 15221204 16528288 16623157 17408503 17972024 19627342 19895432 20539456 21603904 22431248 23490992 24497284 25654636 26637107 27996896 29319584 30442408 33056576 33246314 34817006 35944048 39254684 39790864 42870247 44862496 46981984 48994568 51309272 53274214 55993792 58639168 60884816 66492628 69634012 71888096 78509368 79581728 85740494 89724992 93963968 97989136 102618544 106548428 116362099 121769632 121859521 132985256 139268024 143776192 157018736 159163456 171480988 186459749 195978272 205237088 213096856 232724198 243539264 243719042 265970512 278536048 314037472 315839983 342961976 372919498 391956544 410474176 426193712 465448396 487438084 531941024 557072096 628074944 631679966 685923952 745838996 814534693 852387424 930896792 974876168 1063882048 1114144192 1263359932 1371847904 1491677992 1629069386 1704774848 1861793584 1949752336 2210879881 2526719864 2743695808 2983355984 3258138772 3723587168 3899504672 4421759762 5053439728 5966711968 6516277544 7447174336 7799009344 8843519524 10106879456 11933423936 13032555088 15476159167 17687039048 20213758912 26065110176 30952318334 35374078096 52130220352 61904636668 70748156192 123809273336 141496312384 247618546672 495237093344 990474186688
• Sum of all divisors σ(n): 2461689012096
• Sum of proper divisors (its aliquot sum) s(n): 1471214825408
• 990474186688 is an abundant number, because the sum of its proper divisors (1471214825408) is greater than itself. Its abundance is 480740638720

Bases of 990474186688

• Binary: 1110011010011100110111001010111111000000₂
• Hexadecimal: 0xE69CDCAFC0
• Base-36: CN0MR9OG

Squares and roots of 990474186688

• 990474186688 squared (990474186688²) is 981039114495255076409344
• 990474186688 cubed (990474186688³) is 971693919038803483441648293763612672
• The square root of 990474186688 is 995225.6963563591
• The cube root of 990474186688 is 9968.1459285121

Scales and comparisons

• 990,474,186,688 seconds is equal to 31,494 years, 5 days, 14 hours, 31 minutes, 28 seconds.
• To count from 1 to 990,474,186,688 would take you about sixty-two thousand, nine hundred eighty-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 990474186688 cubic inches would be around 830.7 feet tall.

Recreational maths with 990474186688

• 990474186688 backwards is 886681474099
• The number of decimal digits it has is: 12
• The sum of 990474186688's digits is 70
• More coming soon!