18368190225

Names of 18368190225

• Cardinal: 18368190225 can be written as Eighteen billion, three hundred sixty-eight million, one hundred ninety thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 1.8368190225 × 10¹⁰

Factors of 18368190225

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 307

Divisors of 18368190225

• Number of divisors d(n): 270
• Complete list of divisors:
  1 3 5 7 9 11 15 21 25 33 35 45 49 55 63 75 77 99 105 121 147 165 175 225 231 245 275 281 315 343 363 385 441 495 525 539 605 693 735 825 843 847 1029 1089 1155 1225 1405 1575 1617 1715 1815 1925 1967 2205 2401 2475 2529 2541 2695 3025 3087 3091 3465 3675 3773 4215 4235 4851 5145 5445 5775 5901 5929 7025 7203 7623 8085 8575 9075 9273 9835 11025 11319 12005 12645 12705 13475 13769 15435 15455 17325 17703 17787 18865 21075 21175 21609 21637 24255 25725 26411 27225 27819 29505 29645 33957 34001 36015 38115 40425 41307 41503 46365 49175 53361 56595 60025 63225 63525 64911 68845 77175 77275 79233 88515 88935 94325 96383 102003 108045 108185 121275 123921 124509 132055 139095 147525 148225 151459 169785 170005 180075 190575 194733 206535 207515 231825 237699 238007 266805 282975 289149 290521 306009 324555 344225 373527 396165 442575 444675 454377 481915 510015 540225 540925 619605 622545 660275 674681 695475 714021 757295 848925 850025 867447 871563 973665 1032675 1037575 1060213 1188495 1190035 1334025 1363131 1445745 1452605 1530045 1622775 1666049 1867635 1980825 2024043 2142063 2271885 2409575 2550075 2614689 3098025 3112725 3180639 3373405 3570105 3786475 4337235 4357815 4868325 4998147 5301065 5942475 5950175 6072129 6815655 7228725 7263025 7421491 7650225 8330245 9338175 9541917 10120215 10710315 11359425 11662343 13073445 14994441 15903195 16867025 17850525 21686175 21789075 22264473 24990735 26505325 30360645 34078275 34987029 37107455 41651225 47709585 50601075 53551575 58311715 65367225 66793419 74972205 79515975 81636401 104961087 111322365 124953675 151803225 174935145 185537275 238547925 244909203 291558575 333967095 374861025 408182005 524805435 556611825 734727609 874675725 1224546015 1669835475 2040910025 2624027175 3673638045 6122730075 18368190225
• Sum of all divisors σ(n): 42336885318
• Sum of proper divisors (its aliquot sum) s(n): 23968695093
• 18368190225 is an abundant number, because the sum of its proper divisors (23968695093) is greater than itself. Its abundance is 5600504868

Bases of 18368190225

• Binary: 10001000110110101000101011100010001₂
• Hexadecimal: 0x446D45711
• Base-36: 8FRY2A9

Squares and roots of 18368190225

• 18368190225 squared (18368190225²) is 337390412141785550625
• 18368190225 cubed (18368190225³) is 6197251270311466665036367640625
• The square root of 18368190225 is 135529.2965561321
• The cube root of 18368190225 is 2638.4900219321

Scales and comparisons

• 18,368,190,225 seconds is equal to 584 years, 2 weeks, 4 days, 19 hours, 3 minutes, 45 seconds.
• To count from 1 to 18,368,190,225 would take you about one thousand, one hundred sixty-eight 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 18368190225 cubic inches would be around 219.9 feet tall.

Recreational maths with 18368190225

• 18368190225 backwards is 52209186381
• 18368190225 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18368190225's digits is 45
• More coming soon!