6438687168

Names of 6438687168

• Cardinal: 6438687168 can be written as Six billion, four hundred thirty-eight million, six hundred eighty-seven thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 6.438687168 × 10⁹

Factors of 6438687168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 88

Divisors of 6438687168

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 19 24 32 34 38 47 48 51 57 64 68 76 94 96 102 114 136 141 152 188 192 204 228 272 282 304 323 376 408 456 544 564 608 646 752 799 816 893 912 969 1088 1128 1216 1292 1504 1598 1632 1786 1824 1938 2209 2256 2397 2584 2679 3008 3196 3264 3572 3648 3876 4418 4512 4794 5168 5358 6392 6627 7144 7752 8836 9024 9588 10336 10716 12784 13254 14288 15181 15504 17672 19176 20672 21432 25568 26508 28576 30362 31008 35344 37553 38352 41971 42864 45543 51136 53016 57152 60724 62016 70688 75106 76704 83942 85728 91086 103823 106032 112659 121448 125913 141376 150212 153408 167884 171456 182172 207646 212064 225318 242896 251826 300424 311469 335768 364344 415292 424128 450636 485792 503652 600848 622938 671536 713507 728688 830584 901272 971584 1007304 1201696 1245876 1343072 1427014 1457376 1661168 1764991 1802544 1972637 2014608 2140521 2403392 2491752 2686144 2854028 2914752 3322336 3529982 3605088 3945274 4029216 4281042 4983504 5294973 5708056 5917911 6644672 7059964 7210176 7890548 8058432 8562084 9967008 10589946 11416112 11835822 14119928 15781096 17124168 19934016 21179892 22832224 23671644 28239856 31562192 33534829 34248336 42359784 45664448 47343288 56479712 63124384 67069658 68496672 84719568 94686576 100604487 112959424 126248768 134139316 136993344 169439136 189373152 201208974 268278632 338878272 378746304 402417948 536557264 804835896 1073114528 1609671792 2146229056 3219343584 6438687168
• Sum of all divisors σ(n): 19399910400
• Sum of proper divisors (its aliquot sum) s(n): 12961223232
• 6438687168 is an abundant number, because the sum of its proper divisors (12961223232) is greater than itself. Its abundance is 6522536064

Bases of 6438687168

• Binary: 101111111110001101001000111000000₂
• Hexadecimal: 0x17FC691C0
• Base-36: 2YHFETC

Squares and roots of 6438687168

• 6438687168 squared (6438687168²) is 41456692447367860224
• 6438687168 cubed (6438687168³) is 266926673688589956999886405632
• The square root of 6438687168 is 80241.4304957233
• The cube root of 6438687168 is 1860.3690607701

Scales and comparisons

• 6,438,687,168 seconds is equal to 204 years, 37 weeks, 6 days, 20 hours, 12 minutes, 48 seconds.
• To count from 1 to 6,438,687,168 would take you about four hundred nine 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 6438687168 cubic inches would be around 155 feet tall.

Recreational maths with 6438687168

• 6438687168 backwards is 8617868346
• 6438687168 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6438687168's digits is 57
• More coming soon!