18802131138

Names of 18802131138

• Cardinal: 18802131138 can be written as Eighteen billion, eight hundred two million, one hundred thirty-one thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8802131138 × 10¹⁰

Factors of 18802131138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 427

Divisors of 18802131138

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 7 9 14 17 18 21 34 42 49 51 61 63 98 102 119 122 126 147 153 183 238 294 306 337 357 366 427 441 549 674 714 833 854 882 1011 1037 1071 1098 1281 1666 2022 2074 2142 2359 2499 2562 2989 3033 3111 3721 3843 4718 4998 5729 5978 6066 6222 7077 7259 7442 7497 7686 8967 9333 11163 11458 14154 14518 14994 16513 17187 17934 18666 20557 21231 21777 22326 26047 26901 33026 33489 34374 40103 41114 42462 43554 49539 50813 51561 52094 53802 61671 63257 65331 66978 78141 80206 99078 101626 103122 120309 123342 126514 130662 143899 148617 152439 156282 182329 185013 189771 234423 240618 280721 287798 297234 304878 349469 360927 364658 370026 379542 431697 442799 457317 468846 546987 561442 569313 698938 721854 842163 863394 885598 914634 1007293 1048407 1093974 1138626 1253977 1295091 1328397 1640961 1684326 2014586 2096814 2446283 2507954 2526489 2590182 2656794 3021879 3099593 3145221 3281922 3761931 3985191 4892566 5052978 6043758 6199186 6290442 7338849 7523862 7970382 8777839 9065637 9298779 11285793 14677698 17123981 17555678 18131274 18597558 21317609 22016547 22571586 26333517 27896337 34247962 42635218 44033094 51371943 52667034 55792674 61444873 63952827 79000551 102743886 122889746 127905654 149223263 154115829 158001102 184334619 191858481 298446526 308231658 368669238 383716962 447669789 553003857 895339578 1044562841 1106007714 1343009367 2089125682 2686018734 3133688523 6267377046 9401065569 18802131138
• Sum of all divisors σ(n): 51164061156
• Sum of proper divisors (its aliquot sum) s(n): 32361930018
• 18802131138 is an abundant number, because the sum of its proper divisors (32361930018) is greater than itself. Its abundance is 13559798880

Bases of 18802131138

• Binary: 10001100000101100011100000011000010₂
• Hexadecimal: 0x460B1C0C2
• Base-36: 8MYAX8I

Squares and roots of 18802131138

• 18802131138 squared (18802131138²) is 353520135330549175044
• 18802131138 cubed (18802131138³) is 6646931944408492566735004920072
• The square root of 18802131138 is 137120.8632484495
• The cube root of 18802131138 is 2659.1062602241

Scales and comparisons

• 18,802,131,138 seconds is equal to 597 years, 44 weeks, 1 day, 6 hours, 12 minutes, 18 seconds.
• To count from 1 to 18,802,131,138 would take you about one thousand, one hundred ninety-five 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 18802131138 cubic inches would be around 221.6 feet tall.

Recreational maths with 18802131138

• 18802131138 backwards is 83113120881
• The number of decimal digits it has is: 11
• The sum of 18802131138's digits is 36
• More coming soon!