1296841728

Names of 1296841728

• Cardinal: 1296841728 can be written as One billion, two hundred ninety-six million, eight hundred forty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.296841728 × 10⁹

Factors of 1296841728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 4664

Divisors of 1296841728

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 104 112 128 156 168 182 192 208 224 256 273 312 336 364 384 416 448 512 546 624 672 728 768 832 896 1024 1092 1248 1344 1456 1536 1664 1792 2184 2496 2688 2912 3072 3328 3584 4368 4639 4992 5376 5824 6656 7168 8736 9278 9984 10752 11648 13312 13917 17472 18556 19968 21504 23296 27834 32473 34944 37112 39936 46592 55668 60307 64946 69888 74224 93184 97419 111336 120614 129892 139776 148448 180921 194838 222672 241228 259784 279552 296896 361842 389676 422149 445344 482456 519568 593792 723684 779352 844298 890688 964912 1039136 1187584 1266447 1447368 1558704 1688596 1781376 1929824 2078272 2375168 2532894 2894736 3117408 3377192 3562752 3859648 4156544 4750336 5065788 5789472 6234816 6754384 7125504 7719296 8313088 10131576 11578944 12469632 13508768 14251008 15438592 16626176 20263152 23157888 24939264 27017536 30877184 33252352 40526304 46315776 49878528 54035072 61754368 81052608 92631552 99757056 108070144 162105216 185263104 216140288 324210432 432280576 648420864 1296841728
• Sum of all divisors σ(n): 4255139840
• Sum of proper divisors (its aliquot sum) s(n): 2958298112
• 1296841728 is an abundant number, because the sum of its proper divisors (2958298112) is greater than itself. Its abundance is 1661456384

Bases of 1296841728

• Binary: 1001101010011000011110000000000₂
• Hexadecimal: 0x4D4C3C00
• Base-36: LG3THC

Squares and roots of 1296841728

• 1296841728 squared (1296841728²) is 1681798467482025984
• 1296841728 cubed (1296841728³) is 2181026430717142386031460352
• The square root of 1296841728 is 36011.6887690651
• The cube root of 1296841728 is 1090.5083418521

Scales and comparisons

• 1,296,841,728 seconds is equal to 41 years, 12 weeks, 1 day, 17 hours, 48 minutes, 48 seconds.
• To count from 1 to 1,296,841,728 would take you about eighty-two 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 1296841728 cubic inches would be around 90.9 feet tall.

Recreational maths with 1296841728

• 1296841728 backwards is 8271486921
• 1296841728 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1296841728's digits is 48
• More coming soon!