745721961309

Names of 745721961309

• Cardinal: 745721961309 can be written as Seven hundred forty-five billion, seven hundred twenty-one million, nine hundred sixty-one thousand, three hundred nine.

Scientific notation

• Scientific notation: 7.45721961309 × 10¹¹

Factors of 745721961309

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 645

Divisors of 745721961309

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 9 13 31 39 67 73 93 117 127 201 219 279 331 381 403 603 657 871 949 993 1143 1209 1651 2077 2263 2613 2847 2979 3627 3937 4303 4891 4953 6231 6789 7839 8509 8541 9271 10261 11811 12909 14673 14859 18693 20367 22177 24163 25527 27001 27813 29419 30783 35433 38727 42037 44019 51181 63583 66531 72489 76581 81003 83439 88257 92349 110617 120523 126111 133393 151621 153543 190749 199593 217467 243009 263779 264771 287401 288301 314119 331851 361569 378333 400179 454863 460629 546481 572247 621157 687487 749053 791337 862203 864903 942357 995553 1084707 1200537 1303147 1364589 1618921 1639443 1863471 1971073 2062461 2247159 2374011 2586609 2594709 2816479 2827071 3068701 3429127 3736213 3909441 4856763 4918329 5590413 5913219 6187383 6741477 8075041 8449437 8937331 9206103 9737689 10287381 11208639 11728323 14570289 16940911 17739657 19255867 21045973 24225123 25348311 26811993 27618309 29213067 30862143 33625917 36614227 39893113 50186551 50822733 57767601 63137919 72675369 80435979 87310849 87639201 95129731 109842681 119679339 150559653 152468199 173302803 189413757 205602967 250326271 261932547 285389193 329528043 359038017 451678959 616808901 652425163 750978813 785797641 856167579 1135041037 1236686503 1850426703 1957275489 2252936439 2672838571 3405123111 3710059509 5871826467 6373691977 8018515713 10215369333 11130178527 19121075931 24055547139 57363227793 82857995701 248573987103 745721961309
• Sum of all divisors σ(n): 1245403414528
• Sum of proper divisors (its aliquot sum) s(n): 499681453219
• 745721961309 is a deficient number, because the sum of its proper divisors (499681453219) is less than itself. Its deficiency is 246040508090

Bases of 745721961309

• Binary: 1010110110100000011111100001101101011101₂
• Hexadecimal: 0xADA07E1B5D
• Base-36: 9IKVLNX9

Squares and roots of 745721961309

• 745721961309 squared (745721961309²) is 556101243578541692993481
• 745721961309 cubed (745721961309³) is 414696910047764053085127994671226629
• The square root of 745721961309 is 863551.9447659185
• The cube root of 745721961309 is 9068.2950980021

Scales and comparisons

• 745,721,961,309 seconds is equal to 23,711 years, 33 weeks, 6 days, 5 hours, 15 minutes, 9 seconds.
• To count from 1 to 745,721,961,309 would take you about forty-seven thousand, four hundred twenty-three 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 745721961309 cubic inches would be around 755.7 feet tall.

Recreational maths with 745721961309

• 745721961309 backwards is 903169127547
• The number of decimal digits it has is: 12
• The sum of 745721961309's digits is 54
• More coming soon!