990157890204

Names of 990157890204

• Cardinal: 990157890204 can be written as Nine hundred ninety billion, one hundred fifty-seven million, eight hundred ninety thousand, two hundred four.

Scientific notation

• Scientific notation: 9.90157890204 × 10¹¹

Factors of 990157890204

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 9672

Divisors of 990157890204

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 41 42 54 63 81 82 84 108 123 126 162 164 189 243 246 252 287 324 369 378 486 492 567 574 729 738 756 861 972 1107 1134 1148 1458 1476 1681 1701 1722 2187 2214 2268 2583 2916 3321 3362 3402 3444 4374 4428 5043 5103 5166 6642 6724 6804 7749 8748 9619 9963 10086 10206 10332 11767 13284 15129 15309 15498 19238 19926 20172 20412 23247 23534 28857 29889 30258 30618 30996 35301 38476 39852 45387 46494 47068 57714 59778 60516 61236 67333 69741 70602 86571 89667 90774 92988 105903 115428 119556 134666 136161 139482 141204 173142 179334 181548 201999 209223 211806 259713 269332 272322 278964 317709 346284 358668 394379 403998 408483 418446 423612 519426 544644 605997 627669 635418 779139 788758 807996 816966 836892 953127 1038852 1183137 1211994 1225449 1255338 1270836 1558278 1577516 1633932 1817991 1906254 2337417 2366274 2423988 2450898 2510676 2760653 2859381 3116556 3549411 3635982 3676347 3812508 4674834 4732548 4901796 5453973 5521306 5718762 7012251 7098822 7271964 7352694 8281959 8578143 9349668 10648233 10907946 11042612 11437524 14024502 14197644 14705388 16169539 16361919 16563918 17156286 21036753 21296466 21815892 24845877 25734429 28049004 31944699 32339078 32723838 33127836 34312572 42073506 42592932 48508617 49085757 49691754 51468858 63889398 64678156 65447676 74537631 84147012 95834097 97017234 98171514 99383508 102937716 113186773 127778796 145525851 147257271 149075262 191668194 194034468 196343028 223612893 226373546 287502291 291051702 294514542 298150524 339560319 383336388 436577553 447225786 452747092 575004582 582103404 589029084 670838679 679120638 862506873 873155106 894451572 1018680957 1150009164 1309732659 1341677358 1358241276 1725013746 1746310212 2012516037 2037361914 2619465318 2683354716 3056042871 3450027492 3929197977 4025032074 4074723828 5238930636 6037548111 6112085742 7858395954 8050064148 9168128613 11787593931 12075096222 12224171484 15716791908 18336257226 23575187862 24150192444 27504385839 35362781793 36672514452 47150375724 55008771678 70725563586 82513157517 110017543356 141451127172 165026315034 247539472551 330052630068 495078945102 990157890204
• Sum of all divisors σ(n): 3044543756800
• Sum of proper divisors (its aliquot sum) s(n): 2054385866596
• 990157890204 is an abundant number, because the sum of its proper divisors (2054385866596) is greater than itself. Its abundance is 1064227976392

Bases of 990157890204

• Binary: 1110011010001010000000100110001010011100₂
• Hexadecimal: 0xE68A02629C
• Base-36: CMVEFXR0

Squares and roots of 990157890204

• 990157890204 squared (990157890204²) is 980412647533236519161616
• 990157890204 cubed (990157890204³) is 970763318610827356780790517459209664
• The square root of 990157890204 is 995066.7767562135
• The cube root of 990157890204 is 9967.0847448137

Scales and comparisons

• 990,157,890,204 seconds is equal to 31,483 years, 49 weeks, 5 days, 18 hours, 23 minutes, 24 seconds.
• To count from 1 to 990,157,890,204 would take you about sixty-two thousand, nine hundred sixty-seven 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 990157890204 cubic inches would be around 830.6 feet tall.

Recreational maths with 990157890204

• 990157890204 backwards is 402098751099
• 990157890204 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 990157890204's digits is 54
• More coming soon!