18213609375

Names of 18213609375

• Cardinal: 18213609375 can be written as Eighteen billion, two hundred thirteen million, six hundred nine thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 1.8213609375 × 10¹⁰

Factors of 18213609375

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 62

Divisors of 18213609375

• Number of divisors d(n): 224
• Complete list of divisors:
  1 3 5 9 13 15 25 27 39 41 45 65 75 81 117 123 125 135 195 205 225 243 325 351 369 375 405 533 585 615 625 675 729 975 1025 1053 1107 1125 1215 1599 1625 1755 1845 1875 2025 2187 2665 2925 3075 3125 3159 3321 3375 3645 4797 4875 5125 5265 5535 5625 6075 7995 8125 8775 9225 9375 9477 9963 10125 10935 13325 14391 14625 15375 15625 15795 16605 16875 18225 23985 24375 25625 26325 27675 28125 28431 29889 30375 39975 40625 43173 43875 46125 46875 47385 49815 50625 54675 66625 71955 73125 76875 78975 83025 84375 89667 91125 119925 121875 128125 129519 131625 138375 140625 142155 149445 151875 199875 203125 215865 219375 230625 236925 249075 253125 273375 333125 359775 365625 384375 388557 394875 415125 421875 448335 455625 599625 609375 640625 647595 658125 691875 710775 747225 759375 999375 1079325 1096875 1153125 1165671 1184625 1245375 1265625 1366875 1665625 1798875 1828125 1921875 1942785 1974375 2075625 2241675 2278125 2998125 3237975 3290625 3459375 3553875 3736125 3796875 4996875 5396625 5484375 5765625 5828355 5923125 6226875 6834375 8328125 8994375 9713925 9871875 10378125 11208375 11390625 14990625 16189875 16453125 17296875 17769375 18680625 24984375 26983125 29141775 29615625 31134375 34171875 44971875 48569625 49359375 51890625 56041875 74953125 80949375 88846875 93403125 134915625 145708875 148078125 155671875 224859375 242848125 280209375 404746875 444234375 467015625 674578125 728544375 1214240625 1401046875 2023734375 3642721875 6071203125 18213609375
• Sum of all divisors σ(n): 37668267840
• Sum of proper divisors (its aliquot sum) s(n): 19454658465
• 18213609375 is an abundant number, because the sum of its proper divisors (19454658465) is greater than itself. Its abundance is 1241049090

Bases of 18213609375

• Binary: 10000111101100111011001111110011111₂
• Hexadecimal: 0x43D9D9F9F
• Base-36: 8D7WUXR

Squares and roots of 18213609375

• 18213609375 squared (18213609375²) is 331735566465087890625
• 18213609375 cubed (18213609375³) is 6042102023389460414886474609375
• The square root of 18213609375 is 134957.8059061423
• The cube root of 18213609375 is 2631.0675968065

Scales and comparisons

• 18,213,609,375 seconds is equal to 579 years, 7 weeks, 15 hours, 56 minutes, 15 seconds.
• To count from 1 to 18,213,609,375 would take you about one thousand, one hundred fifty-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 18213609375 cubic inches would be around 219.3 feet tall.

Recreational maths with 18213609375

• 18213609375 backwards is 57390631281
• 18213609375 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18213609375's digits is 45
• More coming soon!