18073646864

Names of 18073646864

• Cardinal: 18073646864 can be written as Eighteen billion, seventy-three million, six hundred forty-six thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8073646864 × 10¹⁰

Factors of 18073646864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1521

Divisors of 18073646864

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 49 52 56 91 98 104 112 169 182 196 208 338 343 364 392 637 676 686 728 784 1183 1274 1352 1372 1456 1499 2197 2366 2548 2704 2744 2998 4394 4459 4732 5096 5488 5996 8281 8788 8918 9464 10192 10493 11992 15379 16562 17576 17836 18928 19487 20986 23984 30758 33124 35152 35672 38974 41972 57967 61516 66248 71344 73451 77948 83944 107653 115934 123032 132496 136409 146902 155896 167888 215306 231868 246064 253331 272818 293804 311792 430612 463736 506662 514157 545636 587608 753571 861224 927472 954863 1013324 1028314 1091272 1175216 1507142 1722448 1773317 1909726 2026648 2056628 2182544 3014284 3293303 3546634 3819452 4053296 4113256 6028568 6586606 6684041 7093268 7638904 8226512 12057136 12413219 13173212 13368082 14186536 15277808 23053121 24826438 26346424 26736164 28373072 46106242 49652876 52692848 53472328 86892533 92212484 99305752 106944656 161371847 173785066 184424968 198611504 322743694 347570132 368849936 645487388 695140264 1129602929 1290974776 1390280528 2259205858 2581949552 4518411716 9036823432 18073646864
• Sum of all divisors σ(n): 44268000000
• Sum of proper divisors (its aliquot sum) s(n): 26194353136
• 18073646864 is an abundant number, because the sum of its proper divisors (26194353136) is greater than itself. Its abundance is 8120706272

Bases of 18073646864

• Binary: 10000110101010001011111011100010000₂
• Hexadecimal: 0x43545F710
• Base-36: 8AWKZ68

Squares and roots of 18073646864

• 18073646864 squared (18073646864²) is 326656710964577034496
• 18073646864 cubed (18073646864³) is 5903878039729482134605050220544
• The square root of 18073646864 is 134438.2641363685
• The cube root of 18073646864 is 2624.3107784609

Scales and comparisons

• 18,073,646,864 seconds is equal to 574 years, 35 weeks, 4 days, 17 hours, 27 minutes, 44 seconds.
• To count from 1 to 18,073,646,864 would take you about one thousand, one hundred forty-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 18073646864 cubic inches would be around 218.7 feet tall.

Recreational maths with 18073646864

• 18073646864 backwards is 46864637081
• The number of decimal digits it has is: 11
• The sum of 18073646864's digits is 53
• More coming soon!