742399749

Names of 742399749

• Cardinal: 742399749 can be written as Seven hundred forty-two million, three hundred ninety-nine thousand, seven hundred forty-nine.

Scientific notation

• Scientific notation: 7.42399749 × 10⁸

Factors of 742399749

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 73

Divisors of 742399749

• Number of divisors d(n): 168
• Complete list of divisors:
  1 3 7 9 13 19 21 27 31 39 57 63 81 91 93 117 133 171 189 217 243 247 273 279 351 361 399 403 513 567 589 651 729 741 819 837 1053 1083 1197 1209 1539 1701 1729 1767 1953 2223 2457 2511 2527 2821 3159 3249 3591 3627 4123 4617 4693 5103 5187 5301 5859 6669 7371 7533 7581 7657 8463 9477 9747 10773 10881 11191 12369 13851 14079 15561 15903 17577 20007 22113 22599 22743 22971 25389 29241 32319 32643 32851 33573 37107 42237 46683 47709 52731 53599 60021 66339 68229 68913 76167 78337 87723 96957 97929 98553 100719 111321 126711 140049 143127 145483 158193 160797 180063 204687 206739 228501 235011 263169 293787 295659 302157 333963 380133 420147 429381 436449 482391 614061 620217 685503 705033 886977 906471 1001889 1018381 1140399 1260441 1309347 1447173 1842183 1860651 2056509 2115099 2660931 2719413 3005667 3055143 3421197 3928041 4341519 5581953 6345297 7982793 8158239 9165429 11784123 13024557 19035891 23948379 27496287 35352369 39073671 57107673 82488861 106057107 247466583 742399749
• Sum of all divisors σ(n): 1492495872
• Sum of proper divisors (its aliquot sum) s(n): 750096123
• 742399749 is an abundant number, because the sum of its proper divisors (750096123) is greater than itself. Its abundance is 7696374

Bases of 742399749

• Binary: 101100010000000001111100000101₂
• Hexadecimal: 0x2C401F05
• Base-36: CA07B9

Squares and roots of 742399749

• 742399749 squared (742399749²) is 551157387315263001
• 742399749 cubed (742399749³) is 409179106002347035811386749
• The square root of 742399749 is 27247.0135794733
• The cube root of 742399749 is 905.4808547249

Scales and comparisons

• 742,399,749 seconds is equal to 23 years, 31 weeks, 3 days, 14 hours, 9 minutes, 9 seconds.
• To count from 1 to 742,399,749 would take you about thirty-five 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 742399749 cubic inches would be around 75.5 feet tall.

Recreational maths with 742399749

• 742399749 backwards is 947993247
• The number of decimal digits it has is: 9
• The sum of 742399749's digits is 54
• More coming soon!