66442147790

Names of 66442147790

• Cardinal: 66442147790 can be written as Sixty-six billion, four hundred forty-two million, one hundred forty-seven thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 6.644214779 × 10¹⁰

Factors of 66442147790

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1993

Divisors of 66442147790

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 31 41 53 62 82 106 155 205 265 310 410 530 1271 1643 1861 2173 2542 2809 3286 3722 4346 5618 6355 8215 9305 10865 12710 14045 16430 18610 21730 28090 57691 67363 76301 87079 98633 115169 115382 134726 152602 174158 197266 230338 288455 336815 381505 435395 493165 575845 576910 673630 763010 870790 986330 1151690 2365331 3057623 3570239 4043953 4730662 5227549 6115246 7140478 8087906 10455098 11826655 15288115 17851195 20219765 23653310 26137745 30576230 35702390 40439530 52275490 125362543 162054019 214329509 250725086 324108038 428659018 626812715 810270095 1071647545 1253625430 1620540190 2143295090 6644214779 13288429558 33221073895 66442147790
• Sum of all divisors σ(n): 128965277952
• Sum of proper divisors (its aliquot sum) s(n): 62523130162
• 66442147790 is a deficient number, because the sum of its proper divisors (62523130162) is less than itself. Its deficiency is 3919017628

Bases of 66442147790

• Binary: 111101111000010000101011011111001110₂
• Hexadecimal: 0xF7842B7CE
• Base-36: UITXTCE

Squares and roots of 66442147790

• 66442147790 squared (66442147790²) is 4414559002948201884100
• 66442147790 cubed (66442147790³) is 293312781701559475298128651139000
• The square root of 66442147790 is 257763.7441340423
• The cube root of 66442147790 is 4050.2443136669

Scales and comparisons

• 66,442,147,790 seconds is equal to 2,112 years, 34 weeks, 8 hours, 9 minutes, 50 seconds.
• To count from 1 to 66,442,147,790 would take you about four thousand, two hundred twenty-five 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 66442147790 cubic inches would be around 337.5 feet tall.

Recreational maths with 66442147790

• 66442147790 backwards is 09774124466
• The number of decimal digits it has is: 11
• The sum of 66442147790's digits is 50
• More coming soon!