20129802

Names of 20129802

• Cardinal: 20129802 can be written as Twenty million, one hundred twenty-nine thousand, eight hundred two.

Scientific notation

• Scientific notation: 2.0129802 × 10⁷

Factors of 20129802

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 273

Divisors of 20129802

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 11 14 17 21 22 33 34 42 51 66 77 102 119 121 154 187 231 233 238 242 357 363 374 462 466 561 699 714 726 847 1122 1309 1398 1631 1694 2057 2541 2563 2618 3262 3927 3961 4114 4893 5082 5126 6171 7689 7854 7922 9786 11883 12342 14399 15378 17941 23766 27727 28193 28798 35882 43197 43571 53823 55454 56386 83181 84579 86394 87142 107646 130713 166362 169158 197351 261426 304997 394702 479281 592053 609994 914991 958562 1184106 1437843 1829982 2875686 3354967 6709934 10064901 20129802
• Sum of all divisors σ(n): 53778816
• Sum of proper divisors (its aliquot sum) s(n): 33649014
• 20129802 is an abundant number, because the sum of its proper divisors (33649014) is greater than itself. Its abundance is 13519212

Bases of 20129802

• Binary: 1001100110010100000001010₂
• Hexadecimal: 0x133280A
• Base-36: BZG96

Squares and roots of 20129802

• 20129802 squared (20129802²) is 405208928559204
• 20129802 cubed (20129802³) is 8156775500528921797608
• The square root of 20129802 is 4486.6247893043
• The cube root of 20129802 is 272.0277238897

Scales and comparisons

• 20,129,802 seconds is equal to 33 weeks, 1 day, 23 hours, 36 minutes, 42 seconds.
• To count from 1 to 20,129,802 would take you about forty-nine weeks!

  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 20129802 cubic inches would be around 22.7 feet tall.

Recreational maths with 20129802

• 20129802 backwards is 20892102
• The number of decimal digits it has is: 8
• The sum of 20129802's digits is 24
• More coming soon!