129437428480

Names of 129437428480

• Cardinal: 129437428480 can be written as One hundred twenty-nine billion, four hundred thirty-seven million, four hundred twenty-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.2943742848 × 10¹¹

Factors of 129437428480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 36580

Divisors of 129437428480

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 47 59 64 80 94 118 128 160 188 235 236 256 295 320 376 470 472 590 640 752 940 944 1180 1280 1504 1880 1888 2360 2773 3008 3760 3776 4720 5546 6016 7520 7552 9440 11092 12032 13865 15040 15104 18880 22184 27730 30080 36467 37760 44368 55460 60160 72934 75520 88736 110920 145868 177472 182335 221840 291736 354944 364670 443680 583472 709888 729340 887360 1166944 1458680 1713949 1774720 2151553 2333888 2917360 3427898 3549440 4303106 4667776 5834720 6855796 8569745 8606212 9335552 10757765 11669440 13711592 17139490 17212424 21515530 23338880 27423184 34278980 34424848 43031060 46677760 54846368 68557960 68849696 86062120 101122991 109692736 137115920 137699392 172124240 202245982 219385472 274231840 275398784 344248480 404491964 438770944 505614955 548463680 550797568 688496960 808983928 1011229910 1096927360 1376993920 1617967856 2022459820 2193854720 2753987840 3235935712 4044919640 6471871424 8089839280 12943742848 16179678560 25887485696 32359357120 64718714240 129437428480
• Sum of all divisors σ(n): 322015357440
• Sum of proper divisors (its aliquot sum) s(n): 192577928960
• 129437428480 is an abundant number, because the sum of its proper divisors (192577928960) is greater than itself. Its abundance is 63140500480

Bases of 129437428480

• Binary: 1111000100011000100100110101100000000₂
• Hexadecimal: 0x1E23126B00
• Base-36: 1NGNPB0G

Squares and roots of 129437428480

• 129437428480 squared (129437428480²) is 16754047891515115110400
• 129437428480 cubed (129437428480³) is 2168600875708482510941367304192000
• The square root of 129437428480 is 359774.1353682891
• The cube root of 129437428480 is 5058.4790858765

Scales and comparisons

• 129,437,428,480 seconds is equal to 4,115 years, 36 weeks, 6 days, 9 hours, 14 minutes, 40 seconds.
• To count from 1 to 129,437,428,480 would take you about eight thousand, two hundred thirty-one 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 129437428480 cubic inches would be around 421.5 feet tall.

Recreational maths with 129437428480

• 129437428480 backwards is 084824734921
• The number of decimal digits it has is: 12
• The sum of 129437428480's digits is 52
• More coming soon!