12816787968

Names of 12816787968

• Cardinal: 12816787968 can be written as Twelve billion, eight hundred sixteen million, seven hundred eighty-seven thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.2816787968 × 10¹⁰

Factors of 12816787968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 163635

Divisors of 12816787968

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 64 68 72 96 102 128 136 144 153 192 204 256 272 288 306 384 408 512 544 576 612 768 816 1088 1152 1224 1536 1632 2176 2304 2448 3264 4352 4608 4896 6528 8704 9792 13056 19584 26112 39168 78336 163613 327226 490839 654452 981678 1308904 1472517 1963356 2617808 2781421 2945034 3926712 5235616 5562842 5890068 7853424 8344263 10471232 11125684 11780136 15706848 16688526 20942464 22251368 23560272 25032789 31413696 33377052 41884928 44502736 47120544 50065578 62827392 66754104 83769856 89005472 94241088 100131156 125654784 133508208 178010944 188482176 200262312 251309568 267016416 356021888 376964352 400524624 534032832 712043776 753928704 801049248 1068065664 1424087552 1602098496 2136131328 3204196992 4272262656 6408393984 12816787968
• Sum of all divisors σ(n): 39166246548
• Sum of proper divisors (its aliquot sum) s(n): 26349458580
• 12816787968 is an abundant number, because the sum of its proper divisors (26349458580) is greater than itself. Its abundance is 13532670612

Bases of 12816787968

• Binary: 1011111011111100001010101000000000₂
• Hexadecimal: 0x2FBF0AA00
• Base-36: 5VYS8W0

Squares and roots of 12816787968

• 12816787968 squared (12816787968²) is 164270053816669569024
• 12816787968 cubed (12816787968³) is 2105414449260203010098548703232
• The square root of 12816787968 is 113211.2537162273
• The cube root of 12816787968 is 2340.2364170511

Scales and comparisons

• 12,816,787,968 seconds is equal to 407 years, 27 weeks, 5 days, 10 hours, 52 minutes, 48 seconds.
• To count from 1 to 12,816,787,968 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 12816787968 cubic inches would be around 195 feet tall.

Recreational maths with 12816787968

• 12816787968 backwards is 86978761821
• The number of decimal digits it has is: 11
• The sum of 12816787968's digits is 63
• More coming soon!