30509091531

Names of 30509091531

• Cardinal: 30509091531 can be written as Thirty billion, five hundred nine million, ninety-one thousand, five hundred thirty-one.

Scientific notation

• Scientific notation: 3.0509091531 × 10¹⁰

Factors of 30509091531

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1375

Divisors of 30509091531

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 17 27 29 51 81 87 153 233 243 261 459 493 699 783 1093 1377 1479 2097 2349 3279 3961 4131 4437 6291 6757 7047 9837 11883 13311 18581 18873 20271 29511 31697 35649 39933 55743 56619 60813 88533 95091 106947 114869 119799 167229 182439 254669 265599 285273 320841 344607 501687 538849 547317 764007 855819 962523 1033821 1505061 1616547 1641951 2292021 2567457 3101463 4329373 4515183 4849641 6876063 7385401 7702371 9304389 12988119 14548923 20628189 22156203 27913167 38964357 43646769 61884567 66468609 116893071 125551817 130940307 199405827 350679213 376655451 598217481 1052037639 1129966353 1794652443 3389899059 10169697177 30509091531
• Sum of all divisors σ(n): 50318573760
• Sum of proper divisors (its aliquot sum) s(n): 19809482229
• 30509091531 is a deficient number, because the sum of its proper divisors (19809482229) is less than itself. Its deficiency is 10699609302

Bases of 30509091531

• Binary: 11100011010011110111100101011001011₂
• Hexadecimal: 0x71A7BCACB
• Base-36: E0KBPOR

Squares and roots of 30509091531

• 30509091531 squared (30509091531²) is 930804666046935923961
• 30509091531 cubed (30509091531³) is 28398004753907856046218205074291
• The square root of 30509091531 is 174668.5190038547
• The cube root of 30509091531 is 3124.7102974023

Scales and comparisons

• 30,509,091,531 seconds is equal to 970 years, 4 weeks, 6 days, 11 hours, 38 minutes, 51 seconds.
• To count from 1 to 30,509,091,531 would take you about one thousand, nine hundred forty 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 30509091531 cubic inches would be around 260.4 feet tall.

Recreational maths with 30509091531

• 30509091531 backwards is 13519090503
• The number of decimal digits it has is: 11
• The sum of 30509091531's digits is 36
• More coming soon!