30120261138

Names of 30120261138

• Cardinal: 30120261138 can be written as Thirty billion, one hundred twenty million, two hundred sixty-one thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 3.0120261138 × 10¹⁰

Factors of 30120261138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 66204

Divisors of 30120261138

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 11 18 19 22 33 38 57 66 99 114 121 171 198 209 242 342 363 418 627 726 1089 1254 1331 1881 2178 2299 2662 3762 3993 4598 6897 7986 11979 13794 20691 23958 25289 41382 50578 66169 75867 132338 151734 198507 227601 397014 455202 595521 727859 1191042 1257211 1455718 2183577 2514422 3771633 4367154 6550731 7543266 8006449 11314899 13101462 13829321 16012898 22629798 24019347 27658642 41487963 48038694 72058041 82975926 88070939 124463889 144116082 152122531 176141878 248927778 264212817 304245062 456367593 528425634 792638451 912735186 1369102779 1585276902 1673347841 2738205558 3346695682 5020043523 10040087046 15060130569 30120261138
• Sum of all divisors σ(n): 75560846400
• Sum of proper divisors (its aliquot sum) s(n): 45440585262
• 30120261138 is an abundant number, because the sum of its proper divisors (45440585262) is greater than itself. Its abundance is 15320324124

Bases of 30120261138

• Binary: 11100000011010011101011011000010010₂
• Hexadecimal: 0x7034EB612
• Base-36: DU4TQ8I

Squares and roots of 30120261138

• 30120261138 squared (30120261138²) is 907230131021313055044
• 30120261138 cubed (30120261138³) is 27326008458623903861573848080072
• The square root of 30120261138 is 173551.8975350025
• The cube root of 30120261138 is 3111.3789626531

Scales and comparisons

• 30,120,261,138 seconds is equal to 957 years, 38 weeks, 3 hours, 12 minutes, 18 seconds.
• To count from 1 to 30,120,261,138 would take you about one thousand, nine hundred fifteen 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 30120261138 cubic inches would be around 259.3 feet tall.

Recreational maths with 30120261138

• 30120261138 backwards is 83116202103
• The number of decimal digits it has is: 11
• The sum of 30120261138's digits is 27
• More coming soon!