47742261891

Names of 47742261891

• Cardinal: 47742261891 can be written as Forty-seven billion, seven hundred forty-two million, two hundred sixty-one thousand, eight hundred ninety-one.

Scientific notation

• Scientific notation: 4.7742261891 × 10¹⁰

Factors of 47742261891

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2376

Divisors of 47742261891

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 23 61 67 69 79 183 201 237 1403 1541 1817 2143 4087 4209 4623 4819 5293 5451 6429 12261 14457 15879 49289 94001 110837 121739 130723 143581 147867 169297 282003 322873 332511 365217 392169 430743 507891 968619 3006629 3302363 3893831 7426079 8758441 9019887 9907089 10327117 11342899 11681493 22278237 26275323 30981351 34028697 201444143 237523691 260886677 604332429 691916839 712571073 782660031 2075750517 15914087297 47742261891
• Sum of all divisors σ(n): 69420318720
• Sum of proper divisors (its aliquot sum) s(n): 21678056829
• 47742261891 is a deficient number, because the sum of its proper divisors (21678056829) is less than itself. Its deficiency is 26064205062

Bases of 47742261891

• Binary: 101100011101101010010001101010000011₂
• Hexadecimal: 0xB1DA91A83
• Base-36: LXKID1F

Squares and roots of 47742261891

• 47742261891 squared (47742261891²) is 2279323570468830895881
• 47742261891 cubed (47742261891³) is 108820062835652118283742855170971
• The square root of 47742261891 is 218500.0272105247
• The cube root of 47742261891 is 3627.7247690725

Scales and comparisons

• 47,742,261,891 seconds is equal to 1,518 years, 2 weeks, 6 days, 11 hours, 24 minutes, 51 seconds.
• To count from 1 to 47,742,261,891 would take you about three thousand and thirty-six 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 47742261891 cubic inches would be around 302.3 feet tall.

Recreational maths with 47742261891

• 47742261891 backwards is 19816224774
• The number of decimal digits it has is: 11
• The sum of 47742261891's digits is 51
• More coming soon!