72428143086

Names of 72428143086

• Cardinal: 72428143086 can be written as Seventy-two billion, four hundred twenty-eight million, one hundred forty-three thousand and eighty-six.

Scientific notation

• Scientific notation: 7.2428143086 × 10¹⁰

Factors of 72428143086

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 7555

Divisors of 72428143086

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 169 234 243 338 351 486 507 702 729 1014 1053 1458 1521 2106 2187 2197 3042 3159 4374 4394 4563 6318 6591 7537 9126 9477 13182 13689 15074 18954 19773 22611 27378 28431 39546 41067 45222 56862 59319 67833 82134 97981 118638 123201 135666 177957 195962 203499 246402 293943 355914 369603 406998 533871 587886 610497 739206 881829 1067742 1220994 1273753 1601613 1763658 1831491 2547506 2645487 3203226 3662982 3821259 4804839 5290974 5494473 7642518 7936461 9609678 10988946 11463777 15872922 16483419 16558789 22927554 23809383 32966838 33117578 34391331 47618766 49676367 68782662 71428149 99352734 103173993 142856298 149029101 206347986 214284447 298058202 309521979 428568894 447087303 619043958 894174606 928565937 1341261909 1857131874 2682523818 2785697811 4023785727 5571395622 8047571454 12071357181 24142714362 36214071543 72428143086
• Sum of all divisors σ(n): 176533929600
• Sum of proper divisors (its aliquot sum) s(n): 104105786514
• 72428143086 is an abundant number, because the sum of its proper divisors (104105786514) is greater than itself. Its abundance is 31677643428

Bases of 72428143086

• Binary: 1000011011101000011011100000111101110₂
• Hexadecimal: 0x10DD0DC1EE
• Base-36: X9TUGVI

Squares and roots of 72428143086

• 72428143086 squared (72428143086²) is 5245835910886089603396
• 72428143086 cubed (72428143086³) is 379946153959334842841782479520056
• The square root of 72428143086 is 269124.7723380365
• The cube root of 72428143086 is 4168.3974060191

Scales and comparisons

• 72,428,143,086 seconds is equal to 2,302 years, 51 weeks, 3 days, 16 hours, 38 minutes, 6 seconds.
• To count from 1 to 72,428,143,086 would take you about four thousand, six hundred 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 72428143086 cubic inches would be around 347.4 feet tall.

Recreational maths with 72428143086

• 72428143086 backwards is 68034182427
• The number of decimal digits it has is: 11
• The sum of 72428143086's digits is 45
• More coming soon!