242668742921

Names of 242668742921

• Cardinal: 242668742921 can be written as Two hundred forty-two billion, six hundred sixty-eight million, seven hundred forty-two thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 2.42668742921 × 10¹¹

Factors of 242668742921

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 248

Divisors of 242668742921

• Number of divisors d(n): 54
• Complete list of divisors:
  1 11 47 89 101 121 517 979 1111 2209 4183 4747 5687 8989 10201 10769 12221 24299 46013 52217 98879 112211 196601 223109 267289 422483 479447 506143 574387 907889 1087669 1234321 2162611 2454199 4647313 5273917 9986779 19856701 22534009 23788721 26996189 42670783 51120443 58013087 109854569 218423711 247874099 469378613 2005526801 2402660821 2726615089 5163164743 22060794811 242668742921
• Sum of all divisors σ(n): 278348835870
• Sum of proper divisors (its aliquot sum) s(n): 35680092949
• 242668742921 is a deficient number, because the sum of its proper divisors (35680092949) is less than itself. Its deficiency is 206988649972

Bases of 242668742921

• Binary: 11100010000000001011110010100100001001₂
• Hexadecimal: 0x38802F2909
• Base-36: 33HAPCEH

Squares and roots of 242668742921

• 242668742921 squared (242668742921²) is 58888118790858387612241
• 242668742921 cubed (242668742921³) is 14290305759960123428391482261695961
• The square root of 242668742921 is 492614.1927725997
• The cube root of 242668742921 is 6237.4146138921

Scales and comparisons

• 242,668,742,921 seconds is equal to 7,716 years, 6 weeks, 8 minutes, 41 seconds.
• To count from 1 to 242,668,742,921 would take you about fifteen thousand, four hundred thirty-two 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 242668742921 cubic inches would be around 519.8 feet tall.

Recreational maths with 242668742921

• 242668742921 backwards is 129247866242
• The number of decimal digits it has is: 12
• The sum of 242668742921's digits is 53
• More coming soon!