990886309920

Names of 990886309920

• Cardinal: 990886309920 can be written as Nine hundred ninety billion, eight hundred eighty-six million, three hundred nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 9.9088630992 × 10¹¹

Factors of 990886309920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 24226

Divisors of 990886309920

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 65 72 78 80 81 90 96 104 108 117 120 130 135 144 156 160 162 180 195 208 216 234 240 243 260 270 288 312 324 351 360 390 405 416 432 468 480 486 520 540 585 624 648 702 720 729 780 810 864 936 972 1040 1053 1080 1170 1215 1248 1296 1404 1440 1458 1560 1620 1755 1872 1944 2080 2106 2160 2187 2340 2430 2592 2808 2916 3120 3159 3240 3510 3645 3744 3888 4212 4320 4374 4680 4860 5265 5616 5832 6240 6318 6480 6561 7020 7290 7776 8424 8748 9360 9477 9720 10530 10935 11232 11664 12636 12960 13122 14040 14580 15795 16848 17496 18720 18954 19440 19683 21060 21870 23328 24203 25272 26244 28080 28431 29160 31590 32805 33696 34992 37908 38880 39366 42120 43740 47385 48406 50544 52488 56160 56862 58320 63180 65610 69984 72609 75816 78732 84240 85293 87480 94770 96812 98415 101088 104976 113724 116640 121015 126360 131220 142155 145218 151632 157464 168480 170586 174960 189540 193624 196830 209952 217827 227448 242030 252720 255879 262440 284310 290436 303264 314639 314928 341172 349920 363045 379080 387248 393660 426465 435654 454896 484060 505440 511758 524880 568620 580872 629278 629856 653481 682344 726090 758160 774496 787320 852930 871308 909792 943917 968120 1023516 1049760 1089135 1137240 1161744 1258556 1279395 1306962 1364688 1452180 1516320 1573195 1574640 1705860 1742616 1887834 1936240 1960443 2047032 2178270 2274480 2323488 2517112 2558790 2613924 2729376 2831751 2904360 3146390 3149280 3267405 3411720 3485232 3775668 3872480 3920886 4094064 4356540 4548960 4719585 5034224 5117580 5227848 5663502 5808720 5881329 6292780 6534810 6823440 6970464 7551336 7841772 8188128 8495253 8713080 9439170 9802215 10068448 10235160 10455696 11327004 11617440 11762658 12585560 13069620 13646880 14158755 15102672 15683544 16990506 17426160 17643987 18878340 19604430 20470320 20911392 22654008 23525316 25171120 25485759 26139240 28317510 29406645 30205344 31367088 33981012 34852320 35287974 37756680 39208860 40940640 42476265 45308016 47050632 50342240 50971518 52278480 52931961 56635020 58813290 62734176 67962024 70575948 75513360 76457277 78417720 84952530 88219935 90616032 94101264 101943036 104556960 105863922 113270040 117626580 127428795 135924048 141151896 151026720 152914554 156835440 158795883 169905060 176439870 188202528 203886072 211727844 226540080 229371831 235253160 254857590 264659805 271848096 282303792 305829108 313670880 317591766 339810120 352879740 382286385 407772144 423455688 453080160 458743662 470506320 476387649 509715180 529319610 564607584 611658216 635183532 679620240 688115493 705759480 764572770 793979415 815544288 846911376 917487324 941012640 952775298 1019430360 1058639220 1146859155 1223316432 1270367064 1359240480 1376230986 1411518960 1529145540 1587958830 1693822752 1834974648 1905550596 2038860720 2064346479 2117278440 2293718310 2381938245 2446632864 2540734128 2752461972 2823037920 3058291080 3175917660 3440577465 3669949296 3811101192 4077721440 4128692958 4234556880 4587436620 4763876490 5081468256 5504923944 6116582160 6193039437 6351835320 6881154930 7339898592 7622202384 8257385916 8469113760 9174873240 9527752980 10321732395 11009847888 12233164320 12386078874 12703670640 13762309860 15244404768 16514771832 18349746480 19055505960 20643464790 22019695776 24772157748 25407341280 27524619720 30965197185 33029543664 36699492960 38111011920 41286929580 49544315496 55049239440 61930394370 66059087328 76222023840 82573859160 99088630992 110098478880 123860788740 165147718320 198177261984 247721577480 330295436640 495443154960 990886309920
• Sum of all divisors σ(n): 3781657357632
• Sum of proper divisors (its aliquot sum) s(n): 2790771047712
• 990886309920 is an abundant number, because the sum of its proper divisors (2790771047712) is greater than itself. Its abundance is 1799884737792

Bases of 990886309920

• Binary: 1110011010110101011011010011000000100000₂
• Hexadecimal: 0xE6B56D3020
• Base-36: CN7G4I00

Squares and roots of 990886309920

• 990886309920 squared (990886309920²) is 981855679186874290406400
• 990886309920 cubed (990886309920³) is 972907350823477211719716153151488000
• The square root of 990886309920 is 995432.7249593515
• The cube root of 990886309920 is 9969.5282747755

Scales and comparisons

• 990,886,309,920 seconds is equal to 31,507 years, 6 weeks, 1 day, 13 hours, 12 minutes.
• To count from 1 to 990,886,309,920 would take you about sixty-three thousand and fourteen 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 990886309920 cubic inches would be around 830.8 feet tall.

Recreational maths with 990886309920

• 990886309920 backwards is 029903688099
• The number of decimal digits it has is: 12
• The sum of 990886309920's digits is 63
• More coming soon!