1297440768

Names of 1297440768

• Cardinal: 1297440768 can be written as One billion, two hundred ninety-seven million, four hundred forty thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.297440768 × 10⁹

Factors of 1297440768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 180

Divisors of 1297440768

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 31 32 39 48 52 62 64 78 93 96 104 124 128 131 156 186 192 208 248 256 262 312 372 384 393 403 416 496 512 524 624 744 768 786 806 832 992 1024 1048 1209 1248 1488 1536 1572 1612 1664 1703 1984 2048 2096 2418 2496 2976 3072 3144 3224 3328 3406 3968 4061 4096 4192 4836 4992 5109 5952 6144 6288 6448 6656 6812 7936 8122 8192 8384 9672 9984 10218 11904 12183 12288 12576 12896 13312 13624 15872 16244 16768 19344 19968 20436 23808 24366 24576 25152 25792 26624 27248 31744 32488 33536 38688 39936 40872 47616 48732 50304 51584 52793 53248 54496 63488 64976 67072 77376 79872 81744 95232 97464 100608 103168 105586 106496 108992 126976 129952 134144 154752 158379 159744 163488 190464 194928 201216 206336 211172 217984 253952 259904 268288 309504 316758 319488 326976 380928 389856 402432 412672 422344 435968 519808 536576 619008 633516 653952 761856 779712 804864 825344 844688 871936 1039616 1073152 1238016 1267032 1307904 1559424 1609728 1650688 1689376 1743872 2079232 2476032 2534064 2615808 3118848 3219456 3301376 3378752 3487744 4158464 4952064 5068128 5231616 6237696 6757504 6975488 8316928 9904128 10136256 10463232 12475392 13515008 13950976 16633856 20272512 20926464 24950784 27030016 33267712 40545024 41852928 49901568 54060032 81090048 99803136 108120064 162180096 216240128 324360192 432480256 648720384 1297440768
• Sum of all divisors σ(n): 3875300352
• Sum of proper divisors (its aliquot sum) s(n): 2577859584
• 1297440768 is an abundant number, because the sum of its proper divisors (2577859584) is greater than itself. Its abundance is 1280418816

Bases of 1297440768

• Binary: 1001101010101010110000000000000₂
• Hexadecimal: 0x4D556000
• Base-36: LGGNPC

Squares and roots of 1297440768

• 1297440768 squared (1297440768²) is 1683352546468429824
• 1297440768 cubed (1297440768³) is 2184050220704755278604664832
• The square root of 1297440768 is 36020.0051082729
• The cube root of 1297440768 is 1090.6762260135

Scales and comparisons

• 1,297,440,768 seconds is equal to 41 years, 13 weeks, 1 day, 16 hours, 12 minutes, 48 seconds.
• To count from 1 to 1,297,440,768 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 1297440768 cubic inches would be around 90.9 feet tall.

Recreational maths with 1297440768

• 1297440768 backwards is 8670447921
• 1297440768 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1297440768's digits is 48
• More coming soon!