18426407272

Names of 18426407272

• Cardinal: 18426407272 can be written as Eighteen billion, four hundred twenty-six million, four hundred seven thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.8426407272 × 10¹⁰

Factors of 18426407272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 808

Divisors of 18426407272

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 49 52 56 91 98 104 109 182 196 218 343 364 392 436 637 677 686 728 763 872 1274 1354 1372 1417 1526 2401 2548 2708 2744 2834 3052 4459 4739 4802 5096 5341 5416 5668 6104 8801 8918 9478 9604 9919 10682 11336 17602 17836 18956 19208 19838 21364 31213 33173 35204 35672 37387 37912 39676 42728 61607 62426 66346 69433 70408 73793 74774 79352 123214 124852 132692 138866 147586 149548 232211 246428 249704 261709 265384 277732 295172 299096 431249 464422 486031 492856 516551 523418 555464 590344 862498 928844 959309 972062 1033102 1046836 1625477 1724996 1857688 1918618 1944124 2066204 2093672 3018743 3250954 3402217 3449992 3615857 3837236 3888248 4132408 6037486 6501908 6715163 6804434 7231714 7674472 12074972 13003816 13430326 13608868 14463428 21131201 24149944 25310999 26860652 27217736 28926856 42262402 47006141 50621998 53721304 84524804 94012282 101243996 169049608 177176993 188024564 202487992 329042987 354353986 376049128 658085974 708707972 1316171948 1417415944 2303300909 2632343896 4606601818 9213203636 18426407272
• Sum of all divisors σ(n): 43868701800
• Sum of proper divisors (its aliquot sum) s(n): 25442294528
• 18426407272 is an abundant number, because the sum of its proper divisors (25442294528) is greater than itself. Its abundance is 7015887256

Bases of 18426407272

• Binary: 10001001010010011001010100101101000₂
• Hexadecimal: 0x44A4CA968
• Base-36: 8GQLUUG

Squares and roots of 18426407272

• 18426407272 squared (18426407272²) is 339532484953614481984
• 18426407272 cubed (18426407272³) is 6256363849829512473514490587648
• The square root of 18426407272 is 135743.9032590415
• The cube root of 18426407272 is 2641.2746022255

Scales and comparisons

• 18,426,407,272 seconds is equal to 585 years, 46 weeks, 6 days, 14 hours, 27 minutes, 52 seconds.
• To count from 1 to 18,426,407,272 would take you about one thousand, one hundred seventy-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 18426407272 cubic inches would be around 220.1 feet tall.

Recreational maths with 18426407272

• 18426407272 backwards is 27270462481
• The number of decimal digits it has is: 11
• The sum of 18426407272's digits is 43
• More coming soon!