21347785368

Names of 21347785368

• Cardinal: 21347785368 can be written as Twenty-one billion, three hundred forty-seven million, seven hundred eighty-five thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1347785368 × 10¹⁰

Factors of 21347785368

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 44731

Divisors of 21347785368

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 52 56 63 72 73 78 84 91 104 117 126 146 156 168 182 219 234 252 273 292 312 364 438 468 504 511 546 584 657 728 819 876 936 949 1022 1092 1314 1533 1638 1752 1898 2044 2184 2628 2847 3066 3276 3796 4088 4599 5256 5694 6132 6552 6643 7592 8541 9198 11388 12264 13286 17082 18396 19929 22776 26572 34164 36792 39858 44633 53144 59787 68328 79716 89266 119574 133899 159432 178532 239148 267798 312431 357064 401697 478296 535596 580229 624862 803394 937293 1071192 1160458 1249724 1606788 1740687 1874586 2320916 2499448 2811879 3213576 3258209 3481374 3749172 4061603 4641832 5222061 5623758 6516418 6962748 7498344 8123206 9774627 10444122 11247516 12184809 13032836 13925496 16246412 19549254 20888244 22495032 22807463 24369618 26065672 29323881 32492824 36554427 39098508 41776488 42356717 45614926 48739236 58647762 68422389 73108854 78197016 84713434 91229852 97478472 117295524 127070151 136844778 146217708 169426868 182459704 205267167 234591048 254140302 273689556 292435416 296497019 338853736 381210453 410534334 508280604 547379112 592994038 762420906 821068668 889491057 1016561208 1185988076 1524841812 1642137336 1778982114 2371976152 2668473171 3049683624 3557964228 5336946342 7115928456 10673892684 21347785368
• Sum of all divisors σ(n): 72135685440
• Sum of proper divisors (its aliquot sum) s(n): 50787900072
• 21347785368 is an abundant number, because the sum of its proper divisors (50787900072) is greater than itself. Its abundance is 29440114704

Bases of 21347785368

• Binary: 10011111000011011010101101010011000₂
• Hexadecimal: 0x4F86D5A98
• Base-36: 9T1X4M0

Squares and roots of 21347785368

• 21347785368 squared (21347785368²) is 455727940118194895424
• 21347785368 cubed (21347785368³) is 9728782251843981179104757356032
• The square root of 21347785368 is 146108.8134507977
• The cube root of 21347785368 is 2774.0712361069

Scales and comparisons

• 21,347,785,368 seconds is equal to 678 years, 41 weeks, 1 day, 20 hours, 22 minutes, 48 seconds.
• To count from 1 to 21,347,785,368 would take you about one thousand, three hundred fifty-seven 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 21347785368 cubic inches would be around 231.2 feet tall.

Recreational maths with 21347785368

• 21347785368 backwards is 86358774312
• The number of decimal digits it has is: 11
• The sum of 21347785368's digits is 54
• More coming soon!