142839687830

Names of 142839687830

• Cardinal: 142839687830 can be written as One hundred forty-two billion, eight hundred thirty-nine million, six hundred eighty-seven thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 1.4283968783 × 10¹¹

Factors of 142839687830

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14447

Divisors of 142839687830

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 7 10 14 23 35 46 49 70 98 115 161 230 245 322 490 805 941 1127 1610 1882 2254 4705 5635 6587 9410 11270 13174 13469 21643 26938 32935 43286 46109 65870 67345 92218 94283 108215 134690 151501 188566 216430 230545 303002 309787 461090 471415 619574 659981 757505 942830 1060507 1319962 1515010 1548935 2121014 2168509 3097870 3299905 4337018 5302535 6599810 10605070 10842545 12674329 15179563 21685090 25348658 30359126 63371645 75897815 88720303 126743290 151795630 177440606 291509567 443601515 583019134 621042121 887203030 1242084242 1457547835 2040566969 2915095670 3105210605 4081133938 6210421210 10202834845 14283968783 20405669690 28567937566 71419843915 142839687830
• Sum of all divisors σ(n): 312447533760
• Sum of proper divisors (its aliquot sum) s(n): 169607845930
• 142839687830 is an abundant number, because the sum of its proper divisors (169607845930) is greater than itself. Its abundance is 26768158100

Bases of 142839687830

• Binary: 10000101000001111010001010101010010110₂
• Hexadecimal: 0x2141E8AA96
• Base-36: 1TMB28IE

Squares and roots of 142839687830

• 142839687830 squared (142839687830²) is 20403176419371850108900
• 142839687830 cubed (142839687830³) is 2914383350483492234244827504687000
• The square root of 142839687830 is 377941.3814733709
• The cube root of 142839687830 is 5227.3666661401

Scales and comparisons

• 142,839,687,830 seconds is equal to 4,541 years, 44 weeks, 5 days, 3 hours, 3 minutes, 50 seconds.
• To count from 1 to 142,839,687,830 would take you about nine thousand and eighty-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 142839687830 cubic inches would be around 435.6 feet tall.

Recreational maths with 142839687830

• 142839687830 backwards is 038786938241
• The number of decimal digits it has is: 12
• The sum of 142839687830's digits is 59
• More coming soon!