30128200137

Names of 30128200137

• Cardinal: 30128200137 can be written as Thirty billion, one hundred twenty-eight million, two hundred thousand, one hundred thirty-seven.

Scientific notation

• Scientific notation: 3.0128200137 × 10¹⁰

Factors of 30128200137

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8119

Divisors of 30128200137

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 29 63 71 87 203 213 261 497 609 639 841 1491 1827 2059 2523 4473 5887 6177 7569 8009 14413 17661 18531 24027 43239 52983 56063 59711 72081 129717 168189 179133 232261 417977 504567 537399 568639 696783 1253931 1625827 1705917 2090349 3761793 3980473 4877481 5117751 6735569 11941419 14632443 16490531 20206707 35824257 47148983 49471593 60620121 115433717 141446949 148414779 346301151 424340847 478225399 1038903453 1434676197 3347577793 4304028591 10042733379 30128200137
• Sum of all divisors σ(n): 52241604480
• Sum of proper divisors (its aliquot sum) s(n): 22113404343
• 30128200137 is a deficient number, because the sum of its proper divisors (22113404343) is less than itself. Its deficiency is 8014795794

Bases of 30128200137

• Binary: 11100000011110001111101100111001001₂
• Hexadecimal: 0x703C7D9C9
• Base-36: DU9JW09

Squares and roots of 30128200137

• 30128200137 squared (30128200137²) is 907708443495126818769
• 30128200137 cubed (30128200137³) is 27347621651665936580068559971353
• The square root of 30128200137 is 173574.7681461793
• The cube root of 30128200137 is 3111.6523009711

Scales and comparisons

• 30,128,200,137 seconds is equal to 957 years, 51 weeks, 1 day, 28 minutes, 57 seconds.
• To count from 1 to 30,128,200,137 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 30128200137 cubic inches would be around 259.3 feet tall.

Recreational maths with 30128200137

• 30128200137 backwards is 73100282103
• The number of decimal digits it has is: 11
• The sum of 30128200137's digits is 27
• More coming soon!