129821377536

Names of 129821377536

• Cardinal: 129821377536 can be written as One hundred twenty-nine billion, eight hundred twenty-one million, three hundred seventy-seven thousand, five hundred thirty-six.

Scientific notation

• Scientific notation: 1.29821377536 × 10¹¹

Factors of 129821377536

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 521728

Divisors of 129821377536

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 432 486 512 576 648 768 864 972 1024 1152 1296 1536 1728 1944 2304 2592 3072 3456 3888 4608 5184 6912 7776 9216 10368 13824 15552 20736 27648 31104 41472 62208 82944 124416 248832 521723 1043446 1565169 2086892 3130338 4173784 4695507 6260676 8347568 9391014 12521352 14086521 16695136 18782028 25042704 28173042 33390272 37564056 42259563 50085408 56346084 66780544 75128112 84519126 100170816 112692168 126778689 133561088 150256224 169038252 200341632 225384336 253557378 267122176 300512448 338076504 400683264 450768672 507114756 534244352 601024896 676153008 801366528 901537344 1014229512 1202049792 1352306016 1602733056 1803074688 2028459024 2404099584 2704612032 3606149376 4056918048 4808199168 5409224064 7212298752 8113836096 10818448128 14424597504 16227672192 21636896256 32455344384 43273792512 64910688768 129821377536
• Sum of all divisors σ(n): 388740726192
• Sum of proper divisors (its aliquot sum) s(n): 258919348656
• 129821377536 is an abundant number, because the sum of its proper divisors (258919348656) is greater than itself. Its abundance is 129097971120

Bases of 129821377536

• Binary: 1111000111001111101010000010000000000₂
• Hexadecimal: 0x1E39F50400
• Base-36: 1NN0AO00

Squares and roots of 129821377536

• 129821377536 squared (129821377536²) is 16853590065344645431296
• 129821377536 cubed (129821377536³) is 2187956278710086124492335565766656
• The square root of 129821377536 is 360307.3376105461
• The cube root of 129821377536 is 5063.4757885977

Scales and comparisons

• 129,821,377,536 seconds is equal to 4,127 years, 47 weeks, 5 days, 5 hours, 45 minutes, 36 seconds.
• To count from 1 to 129,821,377,536 would take you about eight thousand, two hundred fifty-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 129821377536 cubic inches would be around 422 feet tall.

Recreational maths with 129821377536

• 129821377536 backwards is 635773128921
• 129821377536 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129821377536's digits is 54
• More coming soon!