12821334372

Names of 12821334372

• Cardinal: 12821334372 can be written as Twelve billion, eight hundred twenty-one million, three hundred thirty-four thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 1.2821334372 × 10¹⁰

Factors of 12821334372

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4591

Divisors of 12821334372

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 54 63 66 77 84 99 108 126 132 154 189 198 231 252 297 308 367 378 396 462 594 693 734 756 924 1101 1188 1386 1468 2079 2202 2569 2772 3303 4037 4158 4201 4404 5138 6606 7707 8074 8316 8402 9909 10276 12111 12603 13212 15414 16148 16804 19818 23121 24222 25206 28259 29407 30828 36333 37809 39636 46211 46242 48444 50412 56518 58814 69363 72666 75618 84777 88221 92422 92484 108999 113036 113427 117628 138633 138726 145332 151236 169554 176442 184844 217998 226854 254331 264663 277266 277452 323477 339108 352884 415899 435996 453708 508662 529326 554532 646954 762993 793989 831798 970431 1017324 1058652 1247697 1293908 1525986 1541767 1587978 1663596 1940862 2495394 2911293 3051972 3083534 3175956 3881724 4625301 4990788 5822586 6167068 8733879 9250602 10792369 11645172 13875903 16959437 17467758 18501204 21584738 27751806 32377107 33918874 34935516 41627709 43169476 50878311 55503612 64754214 67837748 83255418 97131321 101756622 118716059 129508428 152634933 166510836 194262642 203513244 237432118 291393963 305269866 356148177 388525284 457904799 474864236 582787926 610539732 712296354 915809598 1068444531 1165575852 1424592708 1831619196 2136889062 3205333593 4273778124 6410667186 12821334372
• Sum of all divisors σ(n): 41565511680
• Sum of proper divisors (its aliquot sum) s(n): 28744177308
• 12821334372 is an abundant number, because the sum of its proper divisors (28744177308) is greater than itself. Its abundance is 15922842936

Bases of 12821334372

• Binary: 1011111100001101100000100101100100₂
• Hexadecimal: 0x2FC360964
• Base-36: 5W1HOX0

Squares and roots of 12821334372

• 12821334372 squared (12821334372²) is 164386615078628634384
• 12821334372 cubed (12821334372³) is 2107655758204354792651000246848
• The square root of 12821334372 is 113231.3312294791
• The cube root of 12821334372 is 2340.5130958999

Scales and comparisons

• 12,821,334,372 seconds is equal to 407 years, 35 weeks, 2 days, 1 hour, 46 minutes, 12 seconds.
• To count from 1 to 12,821,334,372 would take you about eight hundred fifteen 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 12821334372 cubic inches would be around 195 feet tall.

Recreational maths with 12821334372

• 12821334372 backwards is 27343312821
• 12821334372 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12821334372's digits is 36
• More coming soon!