40342841721

Names of 40342841721

• Cardinal: 40342841721 can be written as Forty billion, three hundred forty-two million, eight hundred forty-one thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 4.0342841721 × 10¹⁰

Factors of 40342841721

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 591

Divisors of 40342841721

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 7 9 13 19 21 27 31 39 57 61 63 91 93 117 133 171 183 189 217 247 273 279 351 399 403 427 457 513 549 589 651 741 793 819 837 1159 1197 1209 1281 1371 1647 1729 1767 1891 1953 2223 2379 2457 2821 3199 3477 3591 3627 3843 4113 4123 5187 5301 5551 5673 5859 5941 6669 7137 7657 8113 8463 8683 9597 10431 10881 11529 12339 12369 13237 14167 15067 15561 15903 16653 17019 17823 21411 22971 24339 24583 25389 26049 27877 28791 31293 35929 37107 39711 41587 42501 45201 46683 49959 51057 53469 53599 60781 68913 73017 73749 76167 78147 83631 86373 99169 105469 107787 111321 112879 119133 124761 127503 135603 149877 160407 160797 172081 182343 184171 195139 206739 219051 221247 234441 250893 251503 269173 297507 316407 323361 338637 357399 362401 374283 382509 406809 467077 482391 516243 529663 547029 552513 585417 663741 752679 754509 790153 807519 864187 892521 949221 970083 1015911 1087203 1122849 1289197 1401231 1447173 1548729 1588989 1641087 1657539 1756251 1884211 2263527 2370459 2422557 2536807 2592561 2677563 2847663 3047733 3261609 3269539 3499249 3707641 3867591 4203693 4646187 4766967 4972617 5268753 5652633 6049309 6790581 6885619 7111377 7267671 7610421 7777683 9784827 9808617 10497747 11122923 11234431 11602773 12611079 14300901 16419553 16957899 18147927 20656857 21334131 22831263 23333049 24494743 29425851 31493241 33368769 33703293 34808319 48199333 49258659 50873697 54443781 61970571 68493789 73484229 78641017 88277553 94479723 100106307 101109879 114936871 144597999 147775977 163331343 185911713 213454189 220452687 235923051 303329637 344810613 433793997 443327931 640362567 661358061 707769153 1034431839 1301381991 1494179323 1921087701 2123307459 3103295517 4482537969 5763263103 13447613907 40342841721
• Sum of all divisors σ(n): 81417011200
• Sum of proper divisors (its aliquot sum) s(n): 41074169479
• 40342841721 is an abundant number, because the sum of its proper divisors (41074169479) is greater than itself. Its abundance is 731327758

Bases of 40342841721

• Binary: 100101100100100111101110100101111001₂
• Hexadecimal: 0x9649EE979
• Base-36: IJ733W9

Squares and roots of 40342841721

• 40342841721 squared (40342841721²) is 1627544878125658241841
• 40342841721 cubed (40342841721³) is 65659785412047665599530602648361
• The square root of 40342841721 is 200855.2755617837
• The cube root of 40342841721 is 3429.6949616677

Scales and comparisons

• 40,342,841,721 seconds is equal to 1,282 years, 40 weeks, 3 days, 55 minutes, 21 seconds.
• To count from 1 to 40,342,841,721 would take you about two thousand, five hundred sixty-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 40342841721 cubic inches would be around 285.8 feet tall.

Recreational maths with 40342841721

• 40342841721 backwards is 12714824304
• The number of decimal digits it has is: 11
• The sum of 40342841721's digits is 36
• More coming soon!