31389729300

Names of 31389729300

• Cardinal: 31389729300 can be written as Thirty-one billion, three hundred eighty-nine million, seven hundred twenty-nine thousand, three hundred.

Scientific notation

• Scientific notation: 3.13897293 × 10¹⁰

Factors of 31389729300

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 12112

Divisors of 31389729300

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 4733 7369 9466 14199 14738 18932 22107 23665 28398 29476 36845 42597 44214 47330 56796 66321 70995 73690 85194 88428 94660 110535 118325 132642 141990 147380 170388 184225 212985 221070 236650 265284 283980 331605 354975 368450 425970 442140 473300 552675 663210 709950 736900 851940 1064925 1105350 1326420 1419900 1658025 2129850 2210700 3316050 4259700 6632100 34877477 69754954 104632431 139509908 174387385 209264862 313897293 348774770 418529724 523162155 627794586 697549540 871936925 1046324310 1255589172 1569486465 1743873850 2092648620 2615810775 3138972930 3487747700 5231621550 6277945860 7847432325 10463243100 15694864650 31389729300
• Sum of all divisors σ(n): 98423505180
• Sum of proper divisors (its aliquot sum) s(n): 67033775880
• 31389729300 is an abundant number, because the sum of its proper divisors (67033775880) is greater than itself. Its abundance is 35644046580

Bases of 31389729300

• Binary: 11101001110111110010100001000010100₂
• Hexadecimal: 0x74EF94214
• Base-36: EF4MU50

Squares and roots of 31389729300

• 31389729300 squared (31389729300²) is 985315105527278490000
• 31389729300 cubed (31389729300³) is 30928774437702205566812757000000
• The square root of 31389729300 is 177171.4686398461
• The cube root of 31389729300 is 3154.4902553071

Scales and comparisons

• 31,389,729,300 seconds is equal to 998 years, 5 weeks, 1 hour, 15 minutes.
• To count from 1 to 31,389,729,300 would take you about one thousand, nine hundred ninety-six 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 31389729300 cubic inches would be around 262.9 feet tall.

Recreational maths with 31389729300

• 31389729300 backwards is 00392798313
• 31389729300 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31389729300's digits is 45
• More coming soon!