7138831284

Names of 7138831284

• Cardinal: 7138831284 can be written as Seven billion, one hundred thirty-eight million, eight hundred thirty-one thousand, two hundred eighty-four.

Scientific notation

• Scientific notation: 7.138831284 × 10⁹

Factors of 7138831284

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 31005

Divisors of 7138831284

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 13 17 18 26 29 34 36 39 51 52 58 68 78 87 102 116 117 153 156 174 204 221 234 261 306 348 377 442 468 493 522 612 663 754 884 986 1044 1131 1326 1479 1508 1972 1989 2262 2652 2958 3393 3978 4437 4524 5916 6409 6786 7956 8874 12818 13572 17748 19227 25636 30941 38454 57681 61882 76908 92823 115362 123764 185646 230724 278469 371292 402233 525997 556938 804466 897289 1051994 1113876 1206699 1577991 1608932 1794578 2103988 2413398 2691867 3155982 3589156 3620097 4733973 4826796 5383734 6311964 6837961 7240194 8075601 9467946 10767468 11664757 13675922 14480388 15253913 16151202 18935892 20513883 23329514 27351844 30507826 32302404 34994271 41027766 45761739 46659028 61015652 61541649 69988542 82055532 91523478 104982813 123083298 137285217 139977084 183046956 198300869 209965626 246166596 274570434 396601738 419931252 549140868 594902607 793203476 1189805214 1784707821 2379610428 3569415642 7138831284
• Sum of all divisors σ(n): 21286858320
• Sum of proper divisors (its aliquot sum) s(n): 14148027036
• 7138831284 is an abundant number, because the sum of its proper divisors (14148027036) is greater than itself. Its abundance is 7009195752

Bases of 7138831284

• Binary: 110101001100000011110101110110100₂
• Hexadecimal: 0x1A981EBB4
• Base-36: 3A29XH0

Squares and roots of 7138831284

• 7138831284 squared (7138831284²) is 50962912101417088656
• 7138831284 cubed (7138831284³) is 363815631233338493229654314304
• The square root of 7138831284 is 84491.6048137329
• The cube root of 7138831284 is 1925.4949002691

Scales and comparisons

• 7,138,831,284 seconds is equal to 226 years, 51 weeks, 4 days, 8 hours, 41 minutes, 24 seconds.
• To count from 1 to 7,138,831,284 would take you about four hundred fifty-three 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 7138831284 cubic inches would be around 160.5 feet tall.

Recreational maths with 7138831284

• 7138831284 backwards is 4821388317
• The number of decimal digits it has is: 10
• The sum of 7138831284's digits is 45
• More coming soon!