31374643209

Names of 31374643209

• Cardinal: 31374643209 can be written as Thirty-one billion, three hundred seventy-four million, six hundred forty-three thousand, two hundred nine.

Scientific notation

• Scientific notation: 3.1374643209 × 10¹⁰

Factors of 31374643209

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 204

Divisors of 31374643209

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 13 19 21 39 49 57 73 89 91 133 147 219 247 267 273 343 361 399 511 623 637 741 931 949 1029 1083 1157 1387 1533 1691 1729 1869 1911 2527 2793 2847 3471 3577 4161 4361 4459 4693 5073 5187 6497 6517 6643 7581 8099 9709 10731 11837 12103 13083 13377 14079 17689 18031 19491 19551 19929 21983 24297 25039 26353 29127 30527 32129 32851 35511 36309 45479 46501 53067 54093 56693 65949 67963 75117 79059 82859 84461 84721 91581 96387 98553 123443 123823 126217 136437 139503 153881 170079 184471 203889 224903 229957 248577 253383 254163 318353 325507 342589 370329 371469 378651 396851 417677 461643 475741 553413 580013 591227 674709 689871 864101 883519 955059 976521 1027767 1077167 1190553 1253031 1291297 1427223 1574321 1604759 1609699 1740039 1773681 2228471 2345417 2398123 2592303 2650557 2923739 3231501 3873891 4138589 4722963 4814277 4829097 6048707 6184633 6685413 7036251 7194369 7540169 8771217 9039079 11020247 11233313 12415767 16417919 16786861 18146121 18553899 20466173 22620507 27117237 28970123 30490421 33060741 33699939 42340949 49253757 50360583 61398519 78633191 86910369 91471263 114925433 117508027 127022847 143263211 213432947 235899573 344776299 352524081 429789633 550432337 640298841 804478031 1494030629 1651297011 2413434093 4482091887 10458214403 31374643209
• Sum of all divisors σ(n): 56839104000
• Sum of proper divisors (its aliquot sum) s(n): 25464460791
• 31374643209 is a deficient number, because the sum of its proper divisors (25464460791) is less than itself. Its deficiency is 5910182418

Bases of 31374643209

• Binary: 11101001110000100110001000000001001₂
• Hexadecimal: 0x74E131009
• Base-36: EEVNHMX

Squares and roots of 31374643209

• 31374643209 squared (31374643209²) is 984368236492049817681
• 31374643209 cubed (31374643209³) is 30884202206210596794794874778329
• The square root of 31374643209 is 177128.8886912579
• The cube root of 31374643209 is 3153.9848187201

Scales and comparisons

• 31,374,643,209 seconds is equal to 997 years, 32 weeks, 10 hours, 40 minutes, 9 seconds.
• To count from 1 to 31,374,643,209 would take you about one thousand, nine hundred ninety-five 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 31374643209 cubic inches would be around 262.8 feet tall.

Recreational maths with 31374643209

• 31374643209 backwards is 90234647313
• The number of decimal digits it has is: 11
• The sum of 31374643209's digits is 42
• More coming soon!