21214130742

Names of 21214130742

• Cardinal: 21214130742 can be written as Twenty-one billion, two hundred fourteen million, one hundred thirty thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 2.1214130742 × 10¹⁰

Factors of 21214130742

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 951292

Divisors of 21214130742

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 59 63 118 126 177 189 354 378 413 531 826 1062 1239 1593 2478 3186 3717 7434 11151 22302 951221 1902442 2853663 5707326 6658547 8560989 13317094 17121978 19975641 25682967 39951282 51365934 56122039 59926923 112244078 119853846 168366117 179780769 336732234 359561538 392854273 505098351 785708546 1010196702 1178562819 1515295053 2357125638 3030590106 3535688457 7071376914 10607065371 21214130742
• Sum of all divisors σ(n): 54790387200
• Sum of proper divisors (its aliquot sum) s(n): 33576256458
• 21214130742 is an abundant number, because the sum of its proper divisors (33576256458) is greater than itself. Its abundance is 12362125716

Bases of 21214130742

• Binary: 10011110000011101011111001000110110₂
• Hexadecimal: 0x4F075F236
• Base-36: 9QUCG1I

Squares and roots of 21214130742

• 21214130742 squared (21214130742²) is 450039343138669470564
• 21214130742 cubed (21214130742³) is 9547193464387534784468616478488
• The square root of 21214130742 is 145650.7148695125
• The cube root of 21214130742 is 2768.2697923953

Scales and comparisons

• 21,214,130,742 seconds is equal to 674 years, 28 weeks, 1 day, 22 hours, 5 minutes, 42 seconds.
• To count from 1 to 21,214,130,742 would take you about one thousand, three hundred forty-nine 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 21214130742 cubic inches would be around 230.7 feet tall.

Recreational maths with 21214130742

• 21214130742 backwards is 24703141212
• 21214130742 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21214130742's digits is 27
• More coming soon!