21214588928

Names of 21214588928

• Cardinal: 21214588928 can be written as Twenty-one billion, two hundred fourteen million, five hundred eighty-eight thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1214588928 × 10¹⁰

Factors of 21214588928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1647

Divisors of 21214588928

• Number of divisors d(n): 156
• Complete list of divisors:
  1 2 4 8 13 16 19 26 32 38 52 64 76 104 128 152 169 208 247 256 304 338 416 494 512 608 676 832 988 1024 1216 1352 1613 1664 1976 2048 2432 2704 3211 3226 3328 3952 4096 4864 5408 6422 6452 6656 7904 9728 10816 12844 12904 13312 15808 19456 20969 21632 25688 25808 26624 30647 31616 38912 41938 43264 51376 51616 53248 61294 63232 77824 83876 86528 102752 103232 122588 126464 167752 173056 205504 206464 245176 252928 272597 335504 346112 398411 411008 412928 490352 505856 545194 671008 692224 796822 822016 825856 980704 1011712 1090388 1342016 1593644 1644032 1651712 1961408 2180776 2684032 3187288 3288064 3303424 3922816 4361552 5179343 5368064 6374576 6576128 6606848 7845632 8723104 10358686 10736128 12749152 13152256 15691264 17446208 20717372 21472256 25498304 31382528 34892416 41434744 42944512 50996608 62765056 69784832 82869488 85889024 101993216 125530112 139569664 165738976 203986432 279139328 331477952 407972864 558278656 662955904 815945728 1116557312 1325911808 1631891456 2651823616 5303647232 10607294464 21214588928
• Sum of all divisors σ(n): 48386202840
• Sum of proper divisors (its aliquot sum) s(n): 27171613912
• 21214588928 is an abundant number, because the sum of its proper divisors (27171613912) is greater than itself. Its abundance is 5957024984

Bases of 21214588928

• Binary: 10011110000011111001111000000000000₂
• Hexadecimal: 0x4F07CF000
• Base-36: 9QUM9KW

Squares and roots of 21214588928

• 21214588928 squared (21214588928²) is 450058783384020189184
• 21214588928 cubed (21214588928³) is 9547812082927785077591351754752
• The square root of 21214588928 is 145652.2877540893
• The cube root of 21214588928 is 2768.2897220883

Scales and comparisons

• 21,214,588,928 seconds is equal to 674 years, 29 weeks, 5 hours, 22 minutes, 8 seconds.
• To count from 1 to 21,214,588,928 would take you about one thousand, three hundred forty-nine 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 21214588928 cubic inches would be around 230.7 feet tall.

Recreational maths with 21214588928

• 21214588928 backwards is 82988541212
• The number of decimal digits it has is: 11
• The sum of 21214588928's digits is 50
• More coming soon!