990499091868

Names of 990499091868

• Cardinal: 990499091868 can be written as Nine hundred ninety billion, four hundred ninety-nine million, ninety-one thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 9.90499091868 × 10¹¹

Factors of 990499091868

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 126

Divisors of 990499091868

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 9 11 12 13 18 22 26 33 36 39 44 52 66 78 97 99 117 121 132 143 156 169 194 198 234 242 286 291 338 363 388 396 429 468 484 507 572 582 676 726 858 873 1014 1067 1089 1164 1261 1287 1331 1452 1521 1573 1716 1746 1859 2028 2134 2178 2197 2522 2574 2662 3042 3146 3201 3492 3718 3783 3993 4268 4356 4394 4719 5044 5148 5324 5577 6084 6292 6402 6591 7436 7566 7986 8788 9409 9438 9603 11154 11349 11737 11979 12804 13182 13871 14157 15132 15972 16393 16731 17303 18818 18876 19206 19773 20449 22308 22698 23474 23958 24167 26364 27742 28227 28314 32786 33462 34606 35211 37636 38412 39546 40898 41613 45396 46948 47916 48334 49179 51909 55484 56454 56628 61347 65572 66924 69212 70422 72501 79092 81796 83226 84681 96668 98358 103499 103818 105633 112908 122317 122694 124839 129107 140844 145002 147537 152581 155727 166452 169362 180323 184041 196716 206998 207636 211266 213109 217503 224939 244634 245388 249678 258214 265837 290004 295074 305162 310497 311454 338724 360646 366951 368082 387321 413996 422532 426218 435006 449878 457743 489268 499356 516428 531674 540969 590148 610324 620994 622908 639327 674817 721292 733902 736164 774642 797511 852436 870012 899756 915486 931491 1063348 1081938 1100853 1138489 1161963 1241988 1278654 1345487 1349634 1373229 1467804 1549284 1590121 1595022 1622907 1678391 1830972 1862982 1917981 1983553 2024451 2163876 2201706 2276978 2323926 2344199 2392533 2557308 2690974 2699268 2746458 2924207 3180242 3190044 3245814 3356782 3415467 3725964 3835962 3967106 4036461 4048902 4403412 4553956 4647852 4688398 4770363 4785066 5035173 5381948 5492916 5848414 5950659 6360484 6491628 6713564 6830934 7032597 7671924 7934212 8072922 8097804 8772621 9376796 9540726 9570132 10070346 10246401 11696828 11901318 12109383 12523379 13661868 14065194 14311089 14800357 15105519 16145844 17491331 17545242 17851977 19081452 20140692 20492802 20671573 21097791 21819083 23802636 24218766 25046758 25786189 26317863 28130388 28622178 29600714 30211038 34982662 35090484 35703954 37570137 40985604 41343146 42195582 43638166 44401071 48437532 50093516 51572378 52473993 52635726 57244356 59201428 60422076 62014719 65457249 69965324 71407908 75140274 77358567 82686292 84391164 87276332 88802142 103144756 104947986 105271452 112710411 124029438 130914498 133203213 150280548 154717134 157421979 162803927 177604284 186044157 192404641 196371747 209895972 225420822 227387303 232075701 248058876 261828996 266406426 283648079 309434268 314843958 325607854 372088314 384809282 392743494 450841644 454774606 464151402 488411781 532812852 567296158 577213923 629687916 651215708 682161909 744176628 769618564 785486988 850944237 909549212 928302804 976823562 1134592316 1154427846 1364323818 1465235343 1701888474 1731641769 1953647124 2046485727 2116451051 2308855692 2501260333 2552832711 2728647636 2930470686 3403776948 3463283538 4092971454 4232902102 5002520666 5105665422 5860941372 6349353153 6926567076 7503780999 8185942908 8465804204 10005041332 10211330844 12698706306 15007561998 19048059459 22511342997 25397412612 27513863663 30015123996 38096118918 45022685994 55027727326 76192237836 82541590989 90045371988 110055454652 165083181978 247624772967 330166363956 495249545934 990499091868
• Sum of all divisors σ(n): 3014414151840
• Sum of proper divisors (its aliquot sum) s(n): 2023915059972
• 990499091868 is an abundant number, because the sum of its proper divisors (2023915059972) is greater than itself. Its abundance is 1033415968104

Bases of 990499091868

• Binary: 1110011010011110010110001011010110011100₂
• Hexadecimal: 0xE69E58B59C
• Base-36: CN11L2N0

Squares and roots of 990499091868

• 990499091868 squared (990499091868²) is 981088450991332703729424
• 990499091868 cubed (990499091868³) is 971767219749097867383043568790724032
• The square root of 990499091868 is 995238.2086053569
• The cube root of 990499091868 is 9968.2294765039

Scales and comparisons

• 990,499,091,868 seconds is equal to 31,494 years, 41 weeks, 6 days, 20 hours, 37 minutes, 48 seconds.
• To count from 1 to 990,499,091,868 would take you about sixty-two thousand, nine hundred eighty-nine 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 990499091868 cubic inches would be around 830.7 feet tall.

Recreational maths with 990499091868

• 990499091868 backwards is 868190994099
• The number of decimal digits it has is: 12
• The sum of 990499091868's digits is 72
• More coming soon!