30978978464

Names of 30978978464

• Cardinal: 30978978464 can be written as Thirty billion, nine hundred seventy-eight million, nine hundred seventy-eight thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 3.0978978464 × 10¹⁰

Factors of 30978978464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 19710

Divisors of 30978978464

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 73 97 112 146 194 224 292 388 511 584 679 776 1022 1168 1358 1552 2044 2336 2716 3104 4088 5432 7081 8176 10864 14162 16352 19531 21728 28324 39062 49567 56648 78124 99134 113296 136717 156248 198268 226592 273434 312496 396536 546868 624992 793072 1093736 1425763 1586144 1894507 2187472 2851526 3789014 4374944 5703052 7578028 9980341 11406104 13261549 15156056 19960682 22812208 26523098 30312112 39921364 45624416 53046196 60624224 79842728 106092392 138299011 159685456 212184784 276598022 319370912 424369568 553196044 968093077 1106392088 1936186154 2212784176 3872372308 4425568352 7744744616 15489489232 30978978464
• Sum of all divisors σ(n): 71389616256
• Sum of proper divisors (its aliquot sum) s(n): 40410637792
• 30978978464 is an abundant number, because the sum of its proper divisors (40410637792) is greater than itself. Its abundance is 9431659328

Bases of 30978978464

• Binary: 11100110110011111011011001010100000₂
• Hexadecimal: 0x7367DB2A0
• Base-36: E8C30RK

Squares and roots of 30978978464

• 30978978464 squared (30978978464²) is 959697106672975799296
• 30978978464 cubed (30978978464³) is 29730435999585227977183970361344
• The square root of 30978978464 is 176008.4613420617
• The cube root of 30978978464 is 3140.6704203603

Scales and comparisons

• 30,978,978,464 seconds is equal to 985 years, 1 week, 5 days, 23 hours, 47 minutes, 44 seconds.
• To count from 1 to 30,978,978,464 would take you about one thousand, nine hundred seventy 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 30978978464 cubic inches would be around 261.7 feet tall.

Recreational maths with 30978978464

• 30978978464 backwards is 46487987903
• The number of decimal digits it has is: 11
• The sum of 30978978464's digits is 65
• More coming soon!