445439985018

Names of 445439985018

• Cardinal: 445439985018 can be written as Four hundred forty-five billion, four hundred thirty-nine million, nine hundred eighty-five thousand and eighteen.

Scientific notation

• Scientific notation: 4.45439985018 × 10¹¹

Factors of 445439985018

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3816

Divisors of 445439985018

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 14 21 37 42 74 97 111 194 222 259 291 518 582 679 777 1193 1358 1554 2037 2386 2477 3579 3589 4074 4954 7158 7178 7431 8351 10767 14862 16702 17339 21534 25053 25123 34678 44141 50106 50246 52017 75369 88282 91649 104034 115721 132423 150738 183298 231442 240269 264846 274947 308987 347163 480538 549894 617974 641543 694326 720807 810047 926961 1283086 1441614 1620094 1681883 1853922 1924629 2430141 2955061 3363766 3849258 4281677 4860282 5045649 5910122 8563354 8865183 8889953 10091298 12845031 17730366 17779906 20685427 25690062 26669859 29971739 41370854 53339718 59943478 62056281 62229671 89915217 109337257 124112562 124459342 179830434 186689013 218674514 286640917 328011771 373378026 573281834 656023542 765360799 859922751 1530721598 1719845502 2006486419 2296082397 4012972838 4592164794 6019459257 10605713929 12038918514 21211427858 31817141787 63634283574 74239997503 148479995006 222719992509 445439985018
• Sum of all divisors σ(n): 1057758524928
• Sum of proper divisors (its aliquot sum) s(n): 612318539910
• 445439985018 is an abundant number, because the sum of its proper divisors (612318539910) is greater than itself. Its abundance is 166878554892

Bases of 445439985018

• Binary: 110011110110110010010101100010101111010₂
• Hexadecimal: 0x67B64AC57A
• Base-36: 5OMRGS56

Squares and roots of 445439985018

• 445439985018 squared (445439985018²) is 198416780252836064460324
• 445439985018 cubed (445439985018³) is 88382767623143094805216804815425832
• The square root of 445439985018 is 667412.9044437183
• The cube root of 445439985018 is 7637.1220818653

Scales and comparisons

• 445,439,985,018 seconds is equal to 14,163 years, 31 weeks, 6 days, 9 hours, 10 minutes, 18 seconds.
• To count from 1 to 445,439,985,018 would take you about twenty-eight thousand, three hundred twenty-seven 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 445439985018 cubic inches would be around 636.4 feet tall.

Recreational maths with 445439985018

• 445439985018 backwards is 810589934544
• The number of decimal digits it has is: 12
• The sum of 445439985018's digits is 60
• More coming soon!