21357070384

Names of 21357070384

• Cardinal: 21357070384 can be written as Twenty-one billion, three hundred fifty-seven million, seventy thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1357070384 × 10¹⁰

Factors of 21357070384

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 697

Divisors of 21357070384

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 13 16 19 26 38 52 73 76 104 146 152 181 208 247 292 304 362 409 494 584 724 818 949 988 1168 1387 1448 1636 1898 1976 2353 2774 2896 3272 3439 3796 3952 4706 5317 5548 6544 6878 7592 7771 9412 10634 11096 13213 13756 15184 15542 18031 18824 21268 22192 26426 27512 29857 31084 36062 37648 42536 44707 52852 55024 59714 62168 72124 74029 85072 89414 101023 105704 119428 124336 144248 148058 171769 178828 202046 211408 238856 251047 288496 296116 343538 357656 388141 404092 477712 502094 567283 592232 687076 715312 776282 808184 962377 1004188 1134566 1184464 1374152 1406551 1552564 1616368 1924754 2008376 2269132 2748304 2813102 3105128 3263611 3849508 4016752 4538264 5404117 5626204 6210256 6527222 7374679 7699016 9076528 10808234 11252408 13054444 14749358 15398032 18285163 21616468 22504816 26108888 29498716 36570326 43232936 52217776 58997432 70253521 73140652 86465872 102678223 117994864 140507042 146281304 205356446 281014084 292562608 410712892 562028168 821425784 1124056336 1334816899 1642851568 2669633798 5339267596 10678535192 21357070384
• Sum of all divisors σ(n): 47929918400
• Sum of proper divisors (its aliquot sum) s(n): 26572848016
• 21357070384 is an abundant number, because the sum of its proper divisors (26572848016) is greater than itself. Its abundance is 5215777632

Bases of 21357070384

• Binary: 10011111000111110110000100000110000₂
• Hexadecimal: 0x4F8FB0830
• Base-36: 9T7G4Z4

Squares and roots of 21357070384

• 21357070384 squared (21357070384²) is 456124455387129907456
• 21357070384 cubed (21357070384³) is 9741482097566601401289198383104
• The square root of 21357070384 is 146140.5843152407
• The cube root of 21357070384 is 2774.4733631031

Scales and comparisons

• 21,357,070,384 seconds is equal to 679 years, 4 weeks, 4 days, 7 hours, 33 minutes, 4 seconds.
• To count from 1 to 21,357,070,384 would take you about one thousand, three hundred fifty-eight 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 21357070384 cubic inches would be around 231.2 feet tall.

Recreational maths with 21357070384

• 21357070384 backwards is 48307075312
• The number of decimal digits it has is: 11
• The sum of 21357070384's digits is 40
• More coming soon!