21335204709

Names of 21335204709

• Cardinal: 21335204709 can be written as Twenty-one billion, three hundred thirty-five million, two hundred four thousand, seven hundred nine.

Scientific notation

• Scientific notation: 2.1335204709 × 10¹⁰

Factors of 21335204709

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3151

Divisors of 21335204709

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 7 9 13 19 21 27 39 49 57 63 81 91 117 133 147 171 189 247 273 343 351 399 441 513 567 637 741 819 931 1029 1053 1197 1323 1539 1729 1911 2223 2457 2793 3087 3109 3591 3969 4459 5187 5733 6517 6669 7371 8379 9261 9327 10773 12103 13377 15561 17199 19551 20007 21763 25137 27783 27981 36309 40131 40417 46683 51597 58653 59071 65289 75411 83943 84721 108927 120393 121251 140049 152341 175959 177213 195867 251829 254163 282919 326781 361179 363753 413497 457023 527877 531639 587601 762489 767923 848757 980343 1066387 1091259 1240491 1371069 1594917 1762803 1980433 2287467 2303769 2546271 2894479 3199161 3273777 3721473 4113207 4784751 5375461 5941299 6862401 6911307 7638813 8683437 9597483 11164419 12339621 13863031 16126383 17823897 20261353 20733921 22916439 26050311 28792449 33493257 37628227 41589093 48379149 53471691 60784059 62201763 78150933 86377347 112884681 124767279 145137447 160415073 182352177 234452799 263397589 338654043 374301837 435412341 547056531 790192767 1015962129 1122905511 1641169593 2370578301 3047886387 7111734903 21335204709
• Sum of all divisors σ(n): 42146720000
• Sum of proper divisors (its aliquot sum) s(n): 20811515291
• 21335204709 is a deficient number, because the sum of its proper divisors (20811515291) is less than itself. Its deficiency is 523689418

Bases of 21335204709

• Binary: 10011110111101011010110001101100101₂
• Hexadecimal: 0x4F7AD6365
• Base-36: 9SUFHB9

Squares and roots of 21335204709

• 21335204709 squared (21335204709²) is 455190959974935774681
• 21335204709 cubed (21335204709³) is 9711592312751480261946634172829
• The square root of 21335204709 is 146065.7547442247
• The cube root of 21335204709 is 2773.5261912449

Scales and comparisons

• 21,335,204,709 seconds is equal to 678 years, 20 weeks, 3 days, 5 hours, 45 minutes, 9 seconds.
• To count from 1 to 21,335,204,709 would take you about one thousand, three hundred fifty-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 21335204709 cubic inches would be around 231.1 feet tall.

Recreational maths with 21335204709

• 21335204709 backwards is 90740253312
• The number of decimal digits it has is: 11
• The sum of 21335204709's digits is 36
• More coming soon!