31389845693203872

Names of 31389845693203872

• Cardinal: 31389845693203872 can be written as Thirty-one quadrillion, three hundred eighty-nine trillion, eight hundred forty-five billion, six hundred ninety-three million, two hundred three thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 3.1389845693203872 × 10¹⁶

Factors of 31389845693203872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1794449160

Divisors of 31389845693203872

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 8677 17354 26031 34708 52062 60739 69416 78093 104124 121478 138832 156186 182217 208248 242956 277664 312372 364434 416496 485912 546651 624744 728868 832992 971824 1093302 1249488 1457736 1943648 2186604 2498976 2915472 4373208 5830944 8746416 17492832 1794440471 3588880942 5383321413 7177761884 10766642826 12561083297 14355523768 16149964239 21533285652 25122166594 28711047536 32299928478 37683249891 43066571304 50244333188 57422095072 64599856956 75366499782 86133142608 100488666376 113049749673 129199713912 150732999564 172266285216 200977332752 226099499346 258399427824 301465999128 401954665504 452198998692 516798855648 602931998256 904397997384 1205863996512 1808795994768 3617591989536 15570359966867 31140719933734 46711079900601 62281439867468 93422159801202 108992519768069 124562879734936 140133239701803 186844319602404 217985039536138 249125759469872 280266479403606 326977559304207 373688639204808 435970079072276 498251518939744 560532958807212 653955118608414 747377278409616 871940158144552 980932677912621 1121065917614424 1307910237216828 1494754556819232 1743880316289104 1961865355825242 2242131835228848 2615820474433656 3487760632578208 3923730711650484 4484263670457696 5231640948867312 7847461423300968 10463281897734624 15694922846601936 31389845693203872
• Sum of all divisors σ(n): 102028755733736832
• Sum of proper divisors (its aliquot sum) s(n): 70638910040532960
• 31389845693203872 is an abundant number, because the sum of its proper divisors (70638910040532960) is greater than itself. Its abundance is 39249064347329088

Bases of 31389845693203872

• Binary: 1101111100001001110010111111010000110010000010110100000₂
• Hexadecimal: 0x6F84E5FA1905A0
• Base-36: 8L2RS1BXNS0

Squares and roots of 31389845693203872

• 31389845693203872 squared (31389845693203872²) is 985322412643149671491288155792384
• 31389845693203872 cubed (31389845693203872³) is 30929118490923820112525560613947749803499816910848
• The square root of 31389845693203872 is 177171797.1156918417
• The cube root of 31389845693203872 is 315449.4154255185

Scales and comparisons

• 31,389,845,693,203,872 seconds is equal to 998,099,997 years, 45 weeks, 3 days, 21 hours, 31 minutes, 12 seconds.
• To count from 1 to 31,389,845,693,203,872 would take you about two billion, nine hundred ninety-four million, two hundred ninety-nine thousand, nine hundred ninety-three 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 31389845693203872 cubic inches would be around 26287.5 feet tall.

Recreational maths with 31389845693203872

• 31389845693203872 backwards is 27830239654898313
• The number of decimal digits it has is: 17
• The sum of 31389845693203872's digits is 81
• More coming soon!