6426978129

Names of 6426978129

• Cardinal: 6426978129 can be written as Six billion, four hundred twenty-six million, nine hundred seventy-eight thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 6.426978129 × 10⁹

Factors of 6426978129

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 428

Divisors of 6426978129

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 9 11 13 17 27 33 39 51 81 99 117 127 143 153 187 221 257 297 351 381 429 459 561 663 771 891 1053 1143 1287 1377 1397 1651 1683 1989 2159 2313 2431 2827 3341 3429 3861 4191 4369 4953 5049 5967 6477 6939 7293 8481 10023 10287 11583 12573 13107 14859 15147 17901 18161 19431 20817 21879 23749 25443 28067 30069 32639 36751 37719 39321 44577 48059 54483 56797 58293 65637 71247 76329 84201 90207 97917 110253 113157 117963 133731 144177 163449 170391 174879 196911 213741 228987 252603 270621 293751 308737 330759 353889 359029 424307 432531 490347 511173 554863 624767 641223 757809 881253 926211 992277 1077087 1272921 1297593 1471041 1533519 1664589 1874301 1923669 2273427 2643759 2778633 2976831 3231261 3818763 3892779 4600557 4667377 4993767 5622903 6103493 7213219 8335899 9693783 11456289 14002131 14981301 16868709 18310479 21639657 25007697 29081349 34368867 42006393 44943903 50606127 54931437 64918971 79345409 126019179 164794311 194756913 238036227 378057537 494382933 584270739 714108681 2142326043 6426978129
• Sum of all divisors σ(n): 12083613696
• Sum of proper divisors (its aliquot sum) s(n): 5656635567
• 6426978129 is a deficient number, because the sum of its proper divisors (5656635567) is less than itself. Its deficiency is 770342562

Bases of 6426978129

• Binary: 101111111000100111110011101010001₂
• Hexadecimal: 0x17F13E751
• Base-36: 2YAGG29

Squares and roots of 6426978129

• 6426978129 squared (6426978129²) is 41306047870644340641
• 6426978129 cubed (6426978129³) is 265473066260058198437332840689
• The square root of 6426978129 is 80168.4359894841
• The cube root of 6426978129 is 1859.2406551803

Scales and comparisons

• 6,426,978,129 seconds is equal to 204 years, 18 weeks, 4 days, 7 hours, 42 minutes, 9 seconds.
• To count from 1 to 6,426,978,129 would take you about four hundred eight 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 6426978129 cubic inches would be around 154.9 feet tall.

Recreational maths with 6426978129

• 6426978129 backwards is 9218796246
• The number of decimal digits it has is: 10
• The sum of 6426978129's digits is 54
• More coming soon!