21100320066

Names of 21100320066

• Cardinal: 21100320066 can be written as Twenty-one billion, one hundred million, three hundred twenty thousand and sixty-six.

Scientific notation

• Scientific notation: 2.1100320066 × 10¹⁰

Factors of 21100320066

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2024

Divisors of 21100320066

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 14 17 21 31 34 42 51 62 93 102 119 186 217 238 357 434 527 651 714 877 1054 1087 1302 1581 1754 2174 2631 3162 3261 3689 5262 6139 6522 7378 7609 11067 12278 14909 15218 18417 18479 22134 22827 27187 29818 33697 36834 36958 44727 45654 54374 55437 67394 81561 89454 101091 104363 110874 129353 163122 190309 202182 208726 235879 258706 313089 380618 388059 462179 471758 570927 572849 626178 707637 776118 924358 953299 1141854 1145698 1386537 1415274 1718547 1906598 2773074 2859897 3235253 3437094 4009943 5719794 6470506 6673093 8019886 9705759 12029829 13346186 16206083 19411518 20019279 24059658 29552269 32412166 40038558 48618249 59104538 88656807 97236498 113442581 177313614 206865883 226885162 340327743 413731766 502388573 620597649 680655486 1004777146 1241195298 1507165719 3014331438 3516720011 7033440022 10550160033 21100320066
• Sum of all divisors σ(n): 52822278144
• Sum of proper divisors (its aliquot sum) s(n): 31721958078
• 21100320066 is an abundant number, because the sum of its proper divisors (31721958078) is greater than itself. Its abundance is 10621638012

Bases of 21100320066

• Binary: 10011101001101011010101010101000010₂
• Hexadecimal: 0x4E9AD5542
• Base-36: 9OYL35U

Squares and roots of 21100320066

• 21100320066 squared (21100320066²) is 445223506887642244356
• 21100320066 cubed (21100320066³) is 9394358496236206856014182047496
• The square root of 21100320066 is 145259.4921717683
• The cube root of 21100320066 is 2763.3104603363

Scales and comparisons

• 21,100,320,066 seconds is equal to 670 years, 48 weeks, 16 hours, 1 minute, 6 seconds.
• To count from 1 to 21,100,320,066 would take you about one thousand, three hundred forty-one 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 21100320066 cubic inches would be around 230.3 feet tall.

Recreational maths with 21100320066

• 21100320066 backwards is 66002300112
• 21100320066 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21100320066's digits is 21
• More coming soon!