12838711872

Names of 12838711872

• Cardinal: 12838711872 can be written as Twelve billion, eight hundred thirty-eight million, seven hundred eleven thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.2838711872 × 10¹⁰

Factors of 12838711872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 59368

Divisors of 12838711872

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 23 24 28 32 42 46 48 49 56 64 69 84 92 96 98 112 138 147 161 168 184 192 196 224 276 294 322 336 368 392 448 483 552 588 644 672 736 784 966 1104 1127 1176 1288 1344 1472 1568 1932 2208 2254 2352 2576 3136 3381 3864 4416 4508 4704 5152 6762 7728 9016 9408 10304 13524 15456 18032 27048 30912 36064 54096 59333 72128 108192 118666 177999 216384 237332 355998 415331 474664 711996 830662 949328 1245993 1364659 1423992 1661324 1898656 2491986 2729318 2847984 2907317 3322648 3797312 4093977 4983972 5458636 5695968 5814634 6645296 8187954 8721951 9552613 9967944 10917272 11391936 11629268 13290592 16375908 17443902 19105226 19935888 21834544 23258536 26581184 28657839 32751816 34887804 38210452 39871776 43669088 46517072 57315678 65503632 66868291 69775608 76420904 79743552 87338176 93034144 114631356 131007264 133736582 139551216 152841808 186068288 200604873 229262712 262014528 267473164 279102432 305683616 401209746 458525424 534946328 558204864 611367232 802419492 917050848 1069892656 1604838984 1834101696 2139785312 3209677968 4279570624 6419355936 12838711872
• Sum of all divisors σ(n): 41233807296
• Sum of proper divisors (its aliquot sum) s(n): 28395095424
• 12838711872 is an abundant number, because the sum of its proper divisors (28395095424) is greater than itself. Its abundance is 15556383552

Bases of 12838711872

• Binary: 1011111101001111110011001001000000₂
• Hexadecimal: 0x2FD3F3240
• Base-36: 5WBU5HC

Squares and roots of 12838711872

• 12838711872 squared (12838711872²) is 164832522532233744384
• 12838711872 cubed (12838711872³) is 2116237263926296876701874126848
• The square root of 12838711872 is 113308.0397500549
• The cube root of 12838711872 is 2341.5700297001

Scales and comparisons

• 12,838,711,872 seconds is equal to 408 years, 12 weeks, 4 hours, 51 minutes, 12 seconds.
• To count from 1 to 12,838,711,872 would take you about eight hundred sixteen 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 12838711872 cubic inches would be around 195.1 feet tall.

Recreational maths with 12838711872

• 12838711872 backwards is 27811783821
• 12838711872 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12838711872's digits is 48
• More coming soon!