30975477988

Names of 30975477988

• Cardinal: 30975477988 can be written as Thirty billion, nine hundred seventy-five million, four hundred seventy-seven thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 3.0975477988 × 10¹⁰

Factors of 30975477988

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1422

Divisors of 30975477988

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 13 14 26 28 49 52 91 98 103 169 182 196 206 338 343 364 412 637 676 686 721 1183 1274 1297 1339 1372 1442 2366 2548 2594 2678 2884 4459 4732 5047 5188 5356 8281 8918 9079 9373 10094 16562 16861 17407 17836 18158 18746 20188 33124 33722 34814 35329 36316 37492 57967 63553 65611 67444 69628 70658 115934 118027 121849 127106 131222 133591 141316 219193 231868 236054 243698 254212 262444 267182 438386 444871 459277 472108 487396 534364 826189 852943 876772 889742 918554 935137 1534351 1652378 1705886 1736683 1779484 1837108 1870274 3068702 3304756 3411772 3473366 3740548 5783323 5970601 6137404 6545959 6946732 10740457 11566646 11941202 12156781 13091918 21480914 22576879 23133292 23882404 24313562 26183836 42961828 45153758 45821713 48627124 75183199 85097467 90307516 91643426 150366398 158038153 170194934 183286852 300732796 316076306 340389868 595682269 632152612 1106267071 1191364538 2212534142 2382729076 4425068284 7743869497 15487738994 30975477988
• Sum of all divisors σ(n): 69169900800
• Sum of proper divisors (its aliquot sum) s(n): 38194422812
• 30975477988 is an abundant number, because the sum of its proper divisors (38194422812) is greater than itself. Its abundance is 7218944824

Bases of 30975477988

• Binary: 11100110110010010000100100011100100₂
• Hexadecimal: 0x7364848E4
• Base-36: E89ZZS4

Squares and roots of 30975477988

• 30975477988 squared (30975477988²) is 959480236585072528144
• 30975477988 cubed (30975477988³) is 29720358948261946384907982494272
• The square root of 30975477988 is 175998.5170051153
• The cube root of 30975477988 is 3140.5521223395

Scales and comparisons

• 30,975,477,988 seconds is equal to 984 years, 48 weeks, 11 hours, 26 minutes, 28 seconds.
• To count from 1 to 30,975,477,988 would take you about one thousand, nine hundred sixty-nine 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 30975477988 cubic inches would be around 261.7 feet tall.

Recreational maths with 30975477988

• 30975477988 backwards is 88977457903
• The number of decimal digits it has is: 11
• The sum of 30975477988's digits is 67
• More coming soon!