840349864809

Names of 840349864809

• Cardinal: 840349864809 can be written as Eight hundred forty billion, three hundred forty-nine million, eight hundred sixty-four thousand, eight hundred nine.

Scientific notation

• Scientific notation: 8.40349864809 × 10¹¹

Factors of 840349864809

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 799

Divisors of 840349864809

• Number of divisors d(n): 180
• Complete list of divisors:
  1 3 7 9 13 21 27 39 49 63 81 91 117 147 163 189 273 351 441 489 567 613 637 819 1053 1141 1323 1467 1839 1911 2119 2457 3423 3969 4291 4401 5517 5733 6357 7371 7969 7987 10269 12873 13203 14833 16551 17199 19071 23907 23961 26569 30037 30807 38619 44499 49653 51597 55783 57213 71721 71883 79707 90111 92421 99919 103831 115857 133497 167349 171639 185983 215163 215649 239121 270333 299757 311493 345397 347571 390481 400491 502047 557949 645489 646947 699433 717363 810999 899271 934479 1036191 1171443 1201473 1298947 1301881 1506141 1673847 2098299 2152089 2417779 2432997 2697813 2803437 3108573 3514329 3896841 3905643 4518423 4896031 5021541 6294897 7253337 8093439 8410311 9092629 9325719 10542987 11690523 11716929 14688093 15064623 16286797 16924453 18884691 21760011 27277887 27977157 31628961 35071569 35150787 44064279 48860391 50773359 56654073 63648403 65280033 81833661 105214707 105452361 114007579 132192837 146581173 152320077 190945209 195840099 211728361 245500983 342022737 396578511 439743519 456960231 572835627 635185083 736502949 798053053 1026068211 1319230557 1370880693 1482098527 1718506881 1905555249 2394159159 3078204633 4446295581 5155520643 5716665747 7182477477 9234613899 10374689689 13338886743 17149997241 21547432431 31124069067 40016660229 64642297293 93372207201 120049980687 280116621603 840349864809
• Sum of all divisors σ(n): 1584908998596
• Sum of proper divisors (its aliquot sum) s(n): 744559133787
• 840349864809 is a deficient number, because the sum of its proper divisors (744559133787) is less than itself. Its deficiency is 95790731022

Bases of 840349864809

• Binary: 1100001110101000110000010101001101101001₂
• Hexadecimal: 0xC3A8C15369
• Base-36: AQ1UM1K9

Squares and roots of 840349864809

• 840349864809 squared (840349864809²) is 706187895284504576606481
• 840349864809 cubed (840349864809³) is 593444902332085669543798092343227129
• The square root of 840349864809 is 916705.9860222361
• The cube root of 840349864809 is 9436.6977431737

Scales and comparisons

• 840,349,864,809 seconds is equal to 26,720 years, 27 weeks, 2 days, 14 hours, 9 seconds.
• To count from 1 to 840,349,864,809 would take you about fifty-three thousand, four hundred forty-one 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 840349864809 cubic inches would be around 786.4 feet tall.

Recreational maths with 840349864809

• 840349864809 backwards is 908468943048
• 840349864809 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 840349864809's digits is 63
• More coming soon!