997908919007

Names of 997908919007

• Cardinal: 997908919007 can be written as Nine hundred ninety-seven billion, nine hundred eight million, nine hundred nineteen thousand and seven.

Scientific notation

• Scientific notation: 9.97908919007 × 10¹¹

Factors of 997908919007

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 91

Divisors of 997908919007

• Number of divisors d(n): 216
• Complete list of divisors:
  1 7 11 13 19 41 49 77 91 133 143 169 209 247 287 343 451 533 539 637 779 931 1001 1183 1463 1681 1729 1859 2009 2401 2717 3157 3211 3731 3773 4459 5453 5863 6517 6929 7007 8281 8569 10127 10241 11767 12103 13013 14063 16807 18491 19019 21853 22099 22477 26117 26411 31213 31939 35321 38171 41041 45619 48503 49049 57967 59983 70889 71687 76219 82369 84721 91091 98441 111397 129437 131651 133133 152971 154693 157339 182819 184877 218491 223573 240383 247247 267197 284089 287287 319333 339521 343343 351329 405769 415207 419881 496223 501809 533533 576583 593047 637637 689087 779779 906059 921557 931931 1070797 1082851 1101373 1279733 1448161 1565011 1682681 1730729 1870379 1988623 2011009 2376647 2403401 2459303 2840383 2906449 2939167 3124979 3473561 3512663 3734731 4036081 4151329 4463459 4567277 5397691 5458453 6342413 6450899 6523517 7495579 7579957 7709611 8958131 10137127 10955077 11778767 12115103 13092653 13920361 14077063 16636529 17215121 20345143 20574169 21874853 24314927 26143117 28252567 31244213 31970939 37783837 38209171 44396891 45156293 45664619 52469053 53967277 59374601 70959889 76685539 82451369 84805721 97442527 98539441 116455703 120505847 142416001 144019183 153123971 170204489 183001819 223796573 264486859 267464197 310778237 316094051 367283371 415622207 496719223 536798773 577159583 593640047 682097689 843540929 996912007 1071867797 1281012733 1566576011 1851408013 1872249379 2212658357 2909355449 3477034561 4040117081 4774683823 5904786503 6978384049 7503074579 10966032077 12959856091 20365488143 24339241927 52521522053 76762224539 90718992637 142558417001 997908919007
• Sum of all divisors σ(n): 1483818929280
• Sum of proper divisors (its aliquot sum) s(n): 485910010273
• 997908919007 is a deficient number, because the sum of its proper divisors (485910010273) is less than itself. Its deficiency is 511998908734

Bases of 997908919007

• Binary: 1110100001011000000000011011001011011111₂
• Hexadecimal: 0xE85801B2DF
• Base-36: CQFL7DUN

Squares and roots of 997908919007

• 997908919007 squared (997908919007²) is 995822210633719285866049
• 997908919007 cubed (997908919007³) is 993739865736655872982476971392093343
• The square root of 997908919007 is 998953.9123538183
• The cube root of 997908919007 is 9993.0248659049

Scales and comparisons

• 997,908,919,007 seconds is equal to 31,730 years, 21 weeks, 4 days, 17 hours, 56 minutes, 47 seconds.
• To count from 1 to 997,908,919,007 would take you about sixty-three thousand, four hundred sixty 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 997908919007 cubic inches would be around 832.8 feet tall.

Recreational maths with 997908919007

• 997908919007 backwards is 700919809799
• The number of decimal digits it has is: 12
• The sum of 997908919007's digits is 68
• More coming soon!