18508239828

Names of 18508239828

• Cardinal: 18508239828 can be written as Eighteen billion, five hundred eight million, two hundred thirty-nine thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8508239828 × 10¹⁰

Factors of 18508239828

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 125

Divisors of 18508239828

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 107 108 117 156 162 169 214 234 243 321 324 338 351 428 468 486 507 642 676 702 729 963 972 1014 1053 1284 1391 1404 1458 1521 1926 2028 2106 2187 2197 2782 2889 2916 3042 3159 3852 4173 4212 4374 4394 4563 5564 5778 6084 6318 6561 6591 8346 8667 8748 8788 9126 9477 11556 12519 12636 13122 13182 13689 16692 17334 18083 18252 18954 19683 19773 25038 26001 26244 26364 27378 28431 34668 36166 37557 37908 39366 39546 41067 50076 52002 54249 54756 56862 59319 72332 75114 78003 78732 79092 82134 85293 104004 108498 112671 113724 118638 123201 150228 156006 162747 164268 170586 177957 216996 225342 234009 235079 237276 246402 255879 312012 325494 338013 341172 355914 369603 450684 468018 470158 488241 492804 511758 533871 650988 676026 702027 705237 711828 739206 936036 940316 976482 1014039 1023516 1067742 1108809 1352052 1404054 1410474 1464723 1478412 1601613 1952964 2028078 2106081 2115711 2135484 2217618 2808108 2820948 2929446 3042117 3203226 3326427 4056156 4212162 4231422 4394169 4435236 4804839 5858892 6084234 6347133 6406452 6652854 8424324 8462844 8788338 9126351 9609678 12168468 12694266 13182507 13305708 14414517 17576676 18252702 19041399 19219356 25388532 26365014 27379053 28829034 36505404 38082798 39547521 43243551 52730028 54758106 57124197 57658068 76165596 79095042 86487102 109516212 114248394 118642563 158190084 171372591 172974204 228496788 237285126 342745182 355927689 474570252 514117773 685490364 711855378 1028235546 1423710756 1542353319 2056471092 3084706638 4627059957 6169413276 9254119914 18508239828
• Sum of all divisors σ(n): 53121942720
• Sum of proper divisors (its aliquot sum) s(n): 34613702892
• 18508239828 is an abundant number, because the sum of its proper divisors (34613702892) is greater than itself. Its abundance is 16105463064

Bases of 18508239828

• Binary: 10001001111001011010101001111010100₂
• Hexadecimal: 0x44F2D53D4
• Base-36: 8I3BT90

Squares and roots of 18508239828

• 18508239828 squared (18508239828²) is 342554941530765469584
• 18508239828 cubed (18508239828³) is 6340089012117924751481711391552
• The square root of 18508239828 is 136044.9919254655
• The cube root of 18508239828 is 2645.1788372309

Scales and comparisons

• 18,508,239,828 seconds is equal to 588 years, 26 weeks, 1 day, 17 hours, 43 minutes, 48 seconds.
• To count from 1 to 18,508,239,828 would take you about one thousand, one hundred seventy-seven 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 18508239828 cubic inches would be around 220.4 feet tall.

Recreational maths with 18508239828

• 18508239828 backwards is 82893280581
• 18508239828 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18508239828's digits is 54
• More coming soon!