29139531840

Names of 29139531840

• Cardinal: 29139531840 can be written as Twenty-nine billion, one hundred thirty-nine million, five hundred thirty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.913953184 × 10¹⁰

Factors of 29139531840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 8442

Divisors of 29139531840

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 135 144 160 180 192 216 240 270 288 320 360 421 432 480 540 576 720 842 864 960 1080 1263 1440 1684 1728 2105 2160 2526 2880 3368 3789 4210 4320 5052 6315 6736 7578 8011 8420 8640 10104 11367 12630 13472 15156 16022 16840 18945 20208 22734 24033 25260 26944 30312 32044 33680 37890 40055 40416 45468 48066 50520 56835 60624 64088 67360 72099 75780 80110 80832 90936 96132 101040 113670 120165 121248 128176 134720 144198 151560 160220 181872 192264 202080 216297 227340 240330 242496 256352 288396 303120 320440 360495 363744 384528 404160 432594 454680 480660 512704 576792 606240 640880 720990 727488 769056 865188 909360 961320 1081485 1153584 1212480 1281760 1441980 1538112 1730376 1818720 1922640 2162970 2307168 2563520 2883960 3372631 3460752 3637440 3845280 4325940 4614336 5767920 6745262 6921504 7690560 8651880 10117893 11535840 13490524 13843008 16863155 17303760 20235786 23071680 26981048 30353679 33726310 34607520 40471572 50589465 53962096 60707358 67452620 69215040 80943144 91061037 101178930 107924192 121414716 134905240 151768395 161886288 182122074 202357860 215848384 242829432 269810480 303536790 323772576 364244148 404715720 455305185 485658864 539620960 607073580 647545152 728488296 809431440 910610370 971317728 1079241920 1214147160 1456976592 1618862880 1821220740 1942635456 2428294320 2913953184 3237725760 3642441480 4856588640 5827906368 7284882960 9713177280 14569765920 29139531840
• Sum of all divisors σ(n): 103054830720
• Sum of proper divisors (its aliquot sum) s(n): 73915298880
• 29139531840 is an abundant number, because the sum of its proper divisors (73915298880) is greater than itself. Its abundance is 44775767040

Bases of 29139531840

• Binary: 11011001000110110011111100001000000₂
• Hexadecimal: 0x6C8D9F840
• Base-36: DDWXAO0

Squares and roots of 29139531840

• 29139531840 squared (29139531840²) is 849112315854373785600
• 29139531840 cubed (29139531840³) is 24742735363574661728752533504000
• The square root of 29139531840 is 170703.0516423183
• The cube root of 29139531840 is 3077.2363695815

Scales and comparisons

• 29,139,531,840 seconds is equal to 926 years, 28 weeks, 3 days, 2 hours, 24 minutes.
• To count from 1 to 29,139,531,840 would take you about one thousand, eight hundred fifty-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 29139531840 cubic inches would be around 256.4 feet tall.

Recreational maths with 29139531840

• 29139531840 backwards is 04813593192
• 29139531840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 29139531840's digits is 45
• More coming soon!