18150521172

Names of 18150521172

• Cardinal: 18150521172 can be written as Eighteen billion, one hundred fifty million, five hundred twenty-one thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.8150521172 × 10¹⁰

Factors of 18150521172

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 442

Divisors of 18150521172

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 12 14 17 19 21 28 34 38 42 51 57 68 76 84 102 114 119 133 137 204 228 238 257 266 274 323 357 361 399 411 476 514 532 548 646 714 722 771 798 822 959 969 1028 1083 1292 1428 1444 1542 1596 1644 1799 1918 1938 2166 2261 2329 2527 2603 2877 3084 3598 3836 3876 4332 4369 4522 4658 4883 5054 5206 5397 5754 6137 6783 6987 7196 7581 7809 8738 9044 9316 9766 10108 10412 10794 11508 12274 13107 13566 13974 14649 15162 15618 16303 17476 18221 18411 19532 21588 24548 26214 27132 27948 29298 30324 30583 31236 32606 34181 35209 36442 36822 42959 44251 48909 49457 52428 54663 58596 61166 65212 68362 70418 72884 73644 83011 85918 88502 91749 92777 97818 98914 102543 105627 109326 122332 128877 132753 136724 140836 148371 166022 171836 177004 183498 185554 195636 197828 205086 211254 218652 246463 249033 257754 265506 278331 296742 309757 332044 346199 366996 371108 410172 422508 492926 498066 515508 531012 556662 581077 593484 598553 619514 649439 668971 692398 739389 840769 929271 985852 996132 1038597 1113324 1162154 1197106 1239028 1298878 1337942 1384796 1478778 1577209 1681538 1743231 1795659 1858542 1948317 2006913 2077194 2324308 2394212 2522307 2597756 2675884 2957556 3154418 3363076 3486462 3591318 3717084 3896634 4013826 4154388 4189871 4682797 4731627 5044614 5885383 6308836 6972924 7182636 7793268 8027652 8379742 9365594 9463254 10089228 11040463 11372507 11770766 12569613 12710449 14048391 16759484 17656149 18731188 18926508 22080926 22745014 23541532 25139226 25420898 28096782 33121389 34117521 35312298 38131347 44161852 45490028 50278452 50841796 56193564 66242778 68235042 70624596 76262694 79607549 88973143 132485556 136470084 152525388 159215098 177946286 216077633 238822647 266919429 318430196 355892572 432155266 477645294 533838858 648232899 864310532 955290588 1067677716 1296465798 1512543431 2592931596 3025086862 4537630293 6050173724 9075260586 18150521172
• Sum of all divisors σ(n): 54694579968
• Sum of proper divisors (its aliquot sum) s(n): 36544058796
• 18150521172 is an abundant number, because the sum of its proper divisors (36544058796) is greater than itself. Its abundance is 18393537624

Bases of 18150521172

• Binary: 10000111001110110101111100101010100₂
• Hexadecimal: 0x439DAF954
• Base-36: 8C6CNRO

Squares and roots of 18150521172

• 18150521172 squared (18150521172²) is 329441418815220253584
• 18150521172 cubed (18150521172³) is 5979533447139374368519600880448
• The square root of 18150521172 is 134723.8700898991
• The cube root of 18150521172 is 2628.0262566037

Scales and comparisons

• 18,150,521,172 seconds is equal to 577 years, 6 weeks, 5 days, 11 hours, 26 minutes, 12 seconds.
• To count from 1 to 18,150,521,172 would take you about one thousand, one hundred fifty-four 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 18150521172 cubic inches would be around 219 feet tall.

Recreational maths with 18150521172

• 18150521172 backwards is 27112505181
• The number of decimal digits it has is: 11
• The sum of 18150521172's digits is 33
• More coming soon!