18280139678784

Names of 18280139678784

• Cardinal: 18280139678784 can be written as Eighteen trillion, two hundred eighty billion, one hundred thirty-nine million, six hundred seventy-eight thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 1.8280139678784 × 10¹³

Factors of 18280139678784

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 6177

Divisors of 18280139678784

• Number of divisors d(n): 189
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 87 96 116 144 174 192 232 261 288 348 464 522 576 696 841 928 1044 1392 1682 1856 2088 2523 2784 3364 4176 5046 5568 6143 6728 7569 8352 10092 12286 13456 15138 16704 18429 20184 24572 26912 30276 36858 40368 49144 53824 55287 60552 73716 80736 98288 110574 121104 147432 161472 178147 196576 221148 242208 294864 356294 393152 442296 484416 534441 589728 712588 884592 1068882 1179456 1425176 1603323 1769184 2137764 2850352 3206646 3538368 4275528 5166263 5700704 6413292 8551056 10332526 11401408 12826584 15498789 17102112 20665052 25653168 30997578 34204224 37736449 41330104 46496367 51306336 61995156 75472898 82660208 92992734 102612672 113209347 123990312 150945796 165320416 185985468 226418694 247980624 301891592 330640832 339628041 371970936 452837388 495961248 603783184 679256082 743941872 905674776 991922496 1094357021 1207566368 1358512164 1487883744 1811349552 2188714042 2415132736 2717024328 2975767488 3283071063 3622699104 4377428084 5434048656 6566142126 7245398208 8754856168 9849213189 10868097312 13132284252 17509712336 19698426378 21736194624 26264568504 31736353609 35019424672 39396852756 52529137008 63472707218 70038849344 78793705512 95209060827 105058274016 126945414436 157587411024 190418121654 210116548032 253890828872 285627182481 315174822048 380836243308 507781657744 571254364962 630349644096 761672486616 1015563315488 1142508729924 1523344973232 2031126630976 2285017459848 3046689946464 4570034919696 6093379892928 9140069839392 18280139678784
• Sum of all divisors σ(n): 54274641328453
• Sum of proper divisors (its aliquot sum) s(n): 35994501649669
• 18280139678784 is an abundant number, because the sum of its proper divisors (35994501649669) is greater than itself. Its abundance is 17714361970885

Bases of 18280139678784

• Binary: 100001010000000101101001110110110010001000000₂
• Hexadecimal: 0x10A02D3B6440
• Base-36: 6H9S36OG0

Squares and roots of 18280139678784

• 18280139678784 squared (18280139678784²) is 334163506675853202699718656
• 18280139678784 cubed (18280139678784³) is 6108555577586866204408372633899012194304
• 18280139678784 is a perfect square number. Its square root is 4275528
• The cube root of 18280139678784 is 26342.6727421743

Scales and comparisons

• 18,280,139,678,784 seconds is equal to 581,251 years, 46 weeks, 4 days, 17 hours, 26 minutes, 24 seconds.
• To count from 1 to 18,280,139,678,784 would take you about one million, four hundred fifty-three thousand, one hundred twenty-nine 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 18280139678784 cubic inches would be around 2195.2 feet tall.

Recreational maths with 18280139678784

• 18280139678784 backwards is 48787693108281
• 18280139678784 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18280139678784's digits is 72
• More coming soon!