990257122613961180

Names of 990257122613961180

• Cardinal: 990257122613961180 can be written as Nine hundred ninety quadrillion, two hundred fifty-seven trillion, one hundred twenty-two billion, six hundred thirteen million, nine hundred sixty-one thousand, one hundred eighty.

Scientific notation

• Scientific notation: 9.9025712261396118 × 10¹⁷

Factors of 990257122613961180

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 93983964

Divisors of 990257122613961180

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 41 44 45 55 60 66 82 90 99 110 123 132 164 165 180 198 205 220 246 330 369 396 410 451 492 495 615 660 738 820 902 990 1230 1353 1476 1804 1845 1980 2255 2460 2706 3690 4059 4510 5412 6765 7380 8118 9020 13530 16236 20295 27060 40590 81180 129971 259942 389913 519884 649855 779826 1169739 1299710 1429681 1559652 1949565 2339478 2599420 2859362 3899130 4289043 4678956 5328811 5718724 5848695 7148405 7798260 8578086 10657622 11697390 12867129 14296810 15986433 17156172 21315244 21445215 23394780 25734258 26644055 28593620 31972866 42890430 47959299 51468516 53288110 58616921 63945732 64335645 79932165 85780860 93853931 95918598 106576220 117233842 128671290 159864330 175850763 187707862 191837196 234467684 239796495 257342580 281561793 293084605 319728660 351701526 375415724 469269655 479592990 527552289 563123586 586169210 703403052 844685379 879253815 938539310 959185980 1032393241 1055104578 1126247172 1172338420 1407808965 1689370758 1758507630 1877078620 2064786482 2110209156 2637761445 2815617930 3097179723 3378741516 3517015260 3848011171 4129572964 4223426895 5161966205 5275522890 5631235860 6194359446 7696022342 8446853790 9291539169 10323932410 10551045780 11544033513 12388718892 15392044684 15485898615 16893707580 18583078338 19240055855 20647864820 23088067026 30971797230 34632100539 37166156676 38480111710 42328122881 46176134052 46457695845 57720167565 61943594460 69264201078 76960223420 84656245762 92915391690 115440335130 126984368643 138528402156 169312491524 173160502695 185830783380 211640614405 230880670260 253968737286 346321005390 380953105929 423281228810 507937474572 634921843215 692642010780 761906211858 846562457620 1269843686430 1523812423716 1904765529645 2539687372860 3809531059290 7619062118580 12198289266001 24396578532002 36594867798003 48793157064004 60991446330005 73189735596006 109784603394009 121982892660010 134181181926011 146379471192012 182974338990015 219569206788018 243965785320020 268362363852022 365948677980030 402543545778033 439138413576036 500129859906041 536724727704044 548923016970045 670905909630055 731897355960060 805087091556066 1000259719812082 1097846033940090 1207630637334099 1341811819260110 1500389579718123 1610174183112132 2000519439624164 2012717728890165 2195692067880180 2415261274668198 2500649299530205 2683623638520220 3000779159436246 4025435457780330 4501168739154369 4830522549336396 5001298599060410 5501428458966451 6001558318872492 6038153186670495 7501947898590615 8050870915560660 9002337478308738 10002597198120820 11002856917932902 12076306373340990 15003895797181230 16504285376899353 18004674956617476 22005713835865804 22505843695771845 24152612746681980 27507142294832255 30007791594362460 33008570753798706 45011687391543690 49512856130698059 55014284589664510 66017141507597412 82521426884496765 90023374783087380 99025712261396118 110028569179329020 165042853768993530 198051424522792236 247564280653490295 330085707537987060 495128561306980590 990257122613961180
• Sum of all divisors σ(n): 3356799896241582336
• Sum of proper divisors (its aliquot sum) s(n): 2366542773627621156
• 990257122613961180 is an abundant number, because the sum of its proper divisors (2366542773627621156) is greater than itself. Its abundance is 1376285651013659976

Bases of 990257122613961180

• Binary: 110110111110000110011001101100111101101101001010000111011100₂
• Hexadecimal: 0xDBE199B3DB4A1DC
• Base-36: 7IUGUPWZ4AN0

Squares and roots of 990257122613961180

• 990257122613961180 squared (990257122613961180²) is 980609168887681746629996250546992400
• 990257122613961180 cubed (990257122613961180³) is 971055213991583630118853658562869141161279899355032000
• The square root of 990257122613961180 is 995116637.6932712001
• The cube root of 990257122613961180 is 996741.7696696295

Scales and comparisons

• 990,257,122,613,961,180 seconds is equal to 31,487,113,432 years, 37 weeks, 6 days, 10 hours, 33 minutes.
• To count from 1 to 990,257,122,613,961,180 would take you about ninety-four billion, four hundred sixty-one million, three hundred forty thousand, two hundred ninety-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 990257122613961180 cubic inches would be around 83061.8 feet tall.

Recreational maths with 990257122613961180

• 990257122613961180 backwards is 081169316221752099
• The number of decimal digits it has is: 18
• The sum of 990257122613961180's digits is 72
• More coming soon!