30728567772

Names of 30728567772

• Cardinal: 30728567772 can be written as Thirty billion, seven hundred twenty-eight million, five hundred sixty-seven thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 3.0728567772 × 10¹⁰

Factors of 30728567772

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8508

Divisors of 30728567772

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 3457 5039 6914 10078 10371 13828 15117 20156 20742 24199 30234 31113 35273 41484 45351 48398 60468 62226 70546 72597 90702 96796 105819 124452 141092 145194 169393 181404 211638 217791 246911 290388 317457 338786 423276 435582 493822 508179 634914 677572 740733 871164 987644 1016358 1269828 1481466 1524537 2032716 2222199 2962932 3049074 4444398 6098148 8888796 17419823 34839646 52259469 69679292 104518938 121938761 156778407 209037876 243877522 313556814 365816283 487755044 627113628 731632566 853571327 1097448849 1463265132 1707142654 2194897698 2560713981 3414285308 4389795396 5121427962 7682141943 10242855924 15364283886 30728567772
• Sum of all divisors σ(n): 90400695840
• Sum of proper divisors (its aliquot sum) s(n): 59672128068
• 30728567772 is an abundant number, because the sum of its proper divisors (59672128068) is greater than itself. Its abundance is 28943560296

Bases of 30728567772

• Binary: 11100100111100100001011101111011100₂
• Hexadecimal: 0x72790BBDC
• Base-36: E46ZUN0

Squares and roots of 30728567772

• 30728567772 squared (30728567772²) is 944244877318397043984
• 30728567772 cubed (30728567772³) is 29015292706042189188466808883648
• The square root of 30728567772 is 175295.6581664247
• The cube root of 30728567772 is 3132.1852464039

Scales and comparisons

• 30,728,567,772 seconds is equal to 977 years, 3 weeks, 5 days, 17 hours, 16 minutes, 12 seconds.
• To count from 1 to 30,728,567,772 would take you about one thousand, nine hundred fifty-four 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 30728567772 cubic inches would be around 261 feet tall.

Recreational maths with 30728567772

• 30728567772 backwards is 27776582703
• The number of decimal digits it has is: 11
• The sum of 30728567772's digits is 54
• More coming soon!