64641464368

Names of 64641464368

• Cardinal: 64641464368 can be written as Sixty-four billion, six hundred forty-one million, four hundred sixty-four thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 6.4641464368 × 10¹⁰

Factors of 64641464368

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5304

Divisors of 64641464368

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 13 16 26 31 52 62 104 124 151 169 208 248 302 338 403 496 604 676 806 1208 1352 1612 1963 2416 2704 3224 3926 4681 5107 5239 6448 7852 9362 10214 10478 15704 18724 20428 20956 25519 31408 37448 40856 41912 51038 60853 66391 74896 81712 83824 102076 121706 132782 158317 204152 243412 265564 316634 408304 486824 531128 633268 771157 791089 863083 973648 1062256 1266536 1542314 1582178 1726166 2058121 2533072 3084628 3164356 3452332 4116242 6169256 6328712 6904664 8232484 10025041 12338512 12657424 13809328 16464968 20050082 23905867 26755573 32929936 40100164 47811734 53511146 80200328 95623468 107022292 130325533 160400656 191246936 214044584 260651066 310776271 382493872 428089168 521302132 621552542 1042604264 1243105084 2085208528 2486210168 4040091523 4972420336 8080183046 16160366092 32320732184 64641464368
• Sum of all divisors σ(n): 140947454976
• Sum of proper divisors (its aliquot sum) s(n): 76305990608
• 64641464368 is an abundant number, because the sum of its proper divisors (76305990608) is greater than itself. Its abundance is 11664526240

Bases of 64641464368

• Binary: 111100001100111011100111100000110000₂
• Hexadecimal: 0xF0CEE7830
• Base-36: TP1UX4G

Squares and roots of 64641464368

• 64641464368 squared (64641464368²) is 4178518915639413639424
• 64641464368 cubed (64641464368³) is 270105581596319154709239696044032
• The square root of 64641464368 is 254246.8571447837
• The cube root of 64641464368 is 4013.3194399017

Scales and comparisons

• 64,641,464,368 seconds is equal to 2,055 years, 20 weeks, 5 days, 2 hours, 19 minutes, 28 seconds.
• To count from 1 to 64,641,464,368 would take you about four thousand, one hundred ten 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 64641464368 cubic inches would be around 334.4 feet tall.

Recreational maths with 64641464368

• 64641464368 backwards is 86346414646
• 64641464368 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64641464368's digits is 52
• More coming soon!