745449947843121

Names of 745449947843121

• Cardinal: 745449947843121 can be written as Seven hundred forty-five trillion, four hundred forty-nine billion, nine hundred forty-seven million, eight hundred forty-three thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 7.45449947843121 × 10¹⁴

Factors of 745449947843121

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5847634

Divisors of 745449947843121

• Number of divisors d(n): 40
• Complete list of divisors:
  1 3 9 23 27 69 81 207 621 1863 69247 207741 623223 1592681 1869669 4778043 5609007 5778361 14334129 17335083 43002387 52005249 129007161 132902303 156015747 398706909 468047241 1196120727 3588362181 10765086543 400134164167 1200402492501 3601207477503 9203085775841 10803622432509 27609257327523 32410867297527 82827771982569 248483315947707 745449947843121
• Sum of all divisors σ(n): 1162006594197504
• Sum of proper divisors (its aliquot sum) s(n): 416556646354383
• 745449947843121 is a deficient number, because the sum of its proper divisors (416556646354383) is less than itself. Its deficiency is 328893301488738

Bases of 745449947843121

• Binary: 10101001011111101110010111010101101100101000110001₂
• Hexadecimal: 0x2A5FB9756CA31
• Base-36: 7C8MZ7ZY29

Squares and roots of 745449947843121

• 745449947843121 squared (745449947843121²) is 555695624739311819240027020641
• 745449947843121 cubed (745449947843121³) is 414243274478570535294785043164872177696860561
• The square root of 745449947843121 is 27302929.2905197445
• The cube root of 745449947843121 is 90671.9236423537

Scales and comparisons

• 745,449,947,843,121 seconds is equal to 23,703,002 years, 26 weeks, 4 days, 20 hours, 25 minutes, 21 seconds.
• To count from 1 to 745,449,947,843,121 would take you about fifty-nine million, two hundred fifty-seven thousand, five hundred six 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 745449947843121 cubic inches would be around 7556 feet tall.

Recreational maths with 745449947843121

• 745449947843121 backwards is 121348749944547
• The number of decimal digits it has is: 15
• The sum of 745449947843121's digits is 72
• More coming soon!