21493698100

Names of 21493698100

• Cardinal: 21493698100 can be written as Twenty-one billion, four hundred ninety-three million, six hundred ninety-eight thousand, one hundred.

Scientific notation

• Scientific notation: 2.14936981 × 10¹⁰

Factors of 21493698100

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 141544

Divisors of 21493698100

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 7 10 14 20 25 28 31 35 49 50 62 70 98 100 124 140 155 175 196 217 245 310 350 434 490 620 700 775 868 980 1085 1225 1519 1550 2170 2450 3038 3100 4340 4900 5425 6076 7595 10850 15190 21700 30380 37975 75950 141499 151900 282998 565996 707495 990493 1414990 1980986 2829980 3537475 3961972 4386469 4952465 6933451 7074950 8772938 9904930 13866902 14149900 17545876 19809860 21932345 24762325 27733804 30705283 34667255 43864690 49524650 61410566 69334510 87729380 99049300 109661725 122821132 138669020 153526415 173336275 214936981 219323450 307052830 346672550 429873962 438646900 614105660 693345100 767632075 859747924 1074684905 1535264150 2149369810 3070528300 4298739620 5373424525 10746849050 21493698100
• Sum of all divisors σ(n): 56006832000
• Sum of proper divisors (its aliquot sum) s(n): 34513133900
• 21493698100 is an abundant number, because the sum of its proper divisors (34513133900) is greater than itself. Its abundance is 13019435800

Bases of 21493698100

• Binary: 10100000001000111111100111000110100₂
• Hexadecimal: 0x5011FCE34
• Base-36: 9VGSJLG

Squares and roots of 21493698100

• 21493698100 squared (21493698100²) is 461979058013943610000
• 21493698100 cubed (21493698100³) is 9929638401474089543764141000000
• The square root of 21493698100 is 146607.2921105905
• The cube root of 21493698100 is 2780.3771765385

Scales and comparisons

• 21,493,698,100 seconds is equal to 683 years, 22 weeks, 3 days, 15 hours, 41 minutes, 40 seconds.
• To count from 1 to 21,493,698,100 would take you about one thousand, three hundred sixty-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 21493698100 cubic inches would be around 231.7 feet tall.

Recreational maths with 21493698100

• 21493698100 backwards is 00189639412
• The number of decimal digits it has is: 11
• The sum of 21493698100's digits is 43
• More coming soon!