990997895601

Names of 990997895601

• Cardinal: 990997895601 can be written as Nine hundred ninety billion, nine hundred ninety-seven million, eight hundred ninety-five thousand, six hundred one.

Scientific notation

• Scientific notation: 9.90997895601 × 10¹¹

Factors of 990997895601

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1322

Divisors of 990997895601

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 7 9 19 21 27 49 57 61 63 81 133 147 171 183 189 211 399 427 441 513 549 567 633 931 1021 1159 1197 1281 1323 1477 1539 1647 1899 2793 2989 3063 3477 3591 3843 3969 4009 4431 4941 5697 7147 8113 8379 8967 9189 10339 10431 10773 11529 12027 12871 13293 17091 19399 21441 24339 25137 26901 27567 28063 31017 31293 34587 36081 38613 39879 50029 56791 58197 62281 64323 73017 75411 80703 82701 84189 90097 93051 93879 108243 115839 119637 135793 150087 170373 174591 186843 192969 196441 215431 219051 242109 244549 252567 270291 279153 324729 347517 407379 435967 450261 511119 523773 560529 578907 589323 630679 646293 657153 733647 757701 810873 837459 950551 1042551 1183339 1222137 1307901 1350783 1508017 1533357 1571319 1681587 1711843 1767969 1892037 1938879 2200941 2273103 2432619 2851653 3051769 3550017 3666411 3923703 4052349 4093189 4524051 4600071 5044761 5135529 5303907 5676111 5816637 6602823 7297857 8283373 8554959 9155307 10556119 10650051 10999233 11771109 11982901 12279567 13141291 13572153 15406587 15911721 17028333 17449911 19808469 24850119 25664877 27465921 28652323 31668357 31950153 35313327 35948703 36838701 39423873 40716459 46219761 51084999 57983611 74550357 76994631 82397763 85956969 91989037 95005071 95850459 107846109 110516103 118271619 122149377 138659283 173950833 200566261 223651071 247193289 249684529 257870907 275967111 285015213 323538327 331548309 354814857 521852499 601698783 643923259 670953213 749053587 773612721 827901333 855045639 970614981 1064444571 1565557497 1747791703 1805096349 1931769777 2247160761 2320838163 2483703999 4696672491 5243375109 5415289047 5795309331 6741482283 7451111997 12234541921 15730125327 16245867141 17385927993 20224446849 36703625763 47190375981 52157783979 110110877289 141571127943 330332631867 990997895601
• Sum of all divisors σ(n): 1852971193920
• Sum of proper divisors (its aliquot sum) s(n): 861973298319
• 990997895601 is a deficient number, because the sum of its proper divisors (861973298319) is less than itself. Its deficiency is 129024597282

Bases of 990997895601

• Binary: 1110011010111100000100111101100110110001₂
• Hexadecimal: 0xE6BC13D9B1
• Base-36: CN9AK629

Squares and roots of 990997895601

• 990997895601 squared (990997895601²) is 982076829085610495151201
• 990997895601 cubed (990997895601³) is 973236070942342949765199805307766801
• The square root of 990997895601 is 995488.7722124243
• The cube root of 990997895601 is 9969.9024902075

Scales and comparisons

• 990,997,895,601 seconds is equal to 31,510 years, 34 weeks, 5 days, 1 hour, 13 minutes, 21 seconds.
• To count from 1 to 990,997,895,601 would take you about sixty-three thousand and twenty-one 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 990997895601 cubic inches would be around 830.8 feet tall.

Recreational maths with 990997895601

• 990997895601 backwards is 106598799099
• The number of decimal digits it has is: 12
• The sum of 990997895601's digits is 72
• More coming soon!