8144138240

Names of 8144138240

• Cardinal: 8144138240 can be written as Eight billion, one hundred forty-four million, one hundred thirty-eight thousand, two hundred forty.

Scientific notation

• Scientific notation: 8.14413824 × 10⁹

Factors of 8144138240

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 56823

Divisors of 8144138240

• Number of divisors d(n): 104
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 512 560 640 896 1024 1120 1280 1792 2048 2240 2560 3584 4096 4480 5120 7168 8960 10240 14336 17920 20480 28672 35840 56809 71680 113618 143360 227236 284045 397663 454472 568090 795326 908944 1136180 1590652 1817888 1988315 2272360 3181304 3635776 3976630 4544720 6362608 7271552 7953260 9089440 12725216 14543104 15906520 18178880 25450432 29086208 31813040 36357760 50900864 58172416 63626080 72715520 101801728 116344832 127252160 145431040 203603456 232689664 254504320 290862080 407206912 509008640 581724160 814413824 1018017280 1163448320 1628827648 2036034560 4072069120 8144138240
• Sum of all divisors σ(n): 22335874080
• Sum of proper divisors (its aliquot sum) s(n): 14191735840
• 8144138240 is an abundant number, because the sum of its proper divisors (14191735840) is greater than itself. Its abundance is 6047597600

Bases of 8144138240

• Binary: 111100101011011011011000000000000₂
• Hexadecimal: 0x1E56DB000
• Base-36: 3QOT5A8

Squares and roots of 8144138240

• 8144138240 squared (8144138240²) is 66326987672230297600
• 8144138240 cubed (8144138240³) is 540176156645419352770740224000
• The square root of 8144138240 is 90244.8793007117
• The cube root of 8144138240 is 2011.9400952091

Scales and comparisons

• 8,144,138,240 seconds is equal to 258 years, 49 weeks, 5 days, 20 hours, 37 minutes, 20 seconds.
• To count from 1 to 8,144,138,240 would take you about five hundred seventeen 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 8144138240 cubic inches would be around 167.7 feet tall.

Recreational maths with 8144138240

• 8144138240 backwards is 0428314418
• 8144138240 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 8144138240's digits is 35
• More coming soon!