399702309638434990

Names of 399702309638434990

• Cardinal: 399702309638434990 can be written as Three hundred ninety-nine quadrillion, seven hundred two trillion, three hundred nine billion, six hundred thirty-eight million, four hundred thirty-four thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 3.9970230963843499 × 10¹⁷

Factors of 399702309638434990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2174818

Divisors of 399702309638434990

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 11 22 29 55 58 110 145 191 290 319 382 638 955 1595 1910 2101 3190 4202 5539 10505 11078 21010 27695 55390 60929 121858 304645 361903 609290 723806 1809515 1812677 3619030 3625354 3980933 7961866 9063385 10495187 18126770 19904665 19939447 20990374 39809330 39878894 52475935 52567633 69123473 99697235 104951870 105135266 115447057 138246946 199394470 230894114 262838165 345617365 346221307 525676330 577235285 578243963 691234730 692442614 760358203 1154470570 1156487926 1520716406 1731106535 2004580717 2891219815 3462213070 3801791015 3808434377 4009161434 5782439630 7603582030 7616868754 10022903585 10040417903 19042171885 20045807170 20080835806 22050387887 38084343770 44100775774 50202089515 100404179030 110251939435 110444596933 220503878870 220889193866 552222984665 656013244331 1104445969330 1312026488662 3280066221655 6560132443310 7216145687641 14432291375282 19024384085599 36080728438205 38048768171198 72161456876410 95121920427995 125298529667221 190243840855990 209268224941589 250597059334442 418536449883178 626492648336105 1046341124707945 1252985296672210 1378283826339431 2092682249415890 2756567652678862 3633657360349409 6891419131697155 7267314720698818 13782838263394310 18168286801747045 36336573603494090 39970230963843499 79940461927686998 199851154819217495 399702309638434990
• Sum of all divisors σ(n): 816188143593553920
• Sum of proper divisors (its aliquot sum) s(n): 416485833955118930
• 399702309638434990 is an abundant number, because the sum of its proper divisors (416485833955118930) is greater than itself. Its abundance is 16783524316683940

Bases of 399702309638434990

• Binary: 10110001100000001110010001000000101111001101111000010101110₂
• Hexadecimal: 0x58C072205E6F0AE
• Base-36: 31BMN64UWUJY

Squares and roots of 399702309638434990

• 399702309638434990 squared (399702309638434990²) is 159761936330299360706383056456300100
• 399702309638434990 cubed (399702309638434990³) is 63857214943529251358980487753646567151778289780499000
• The square root of 399702309638434990 is 632220143.3349264853
• The cube root of 399702309638434990 is 736623.4709204541

Scales and comparisons

• 399,702,309,638,434,990 seconds is equal to 12,709,297,086 years, 4 weeks, 1 day, 17 hours, 43 minutes, 10 seconds.
• To count from 1 to 399,702,309,638,434,990 would take you about thirty-eight billion, one hundred twenty-seven million, eight hundred ninety-one thousand, two hundred fifty-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 399702309638434990 cubic inches would be around 61385.3 feet tall.

Recreational maths with 399702309638434990

• 399702309638434990 backwards is 099434836903207993
• The number of decimal digits it has is: 18
• The sum of 399702309638434990's digits is 88
• More coming soon!