31648865781440961

Names of 31648865781440961

• Cardinal: 31648865781440961 can be written as Thirty-one quadrillion, six hundred forty-eight trillion, eight hundred sixty-five billion, seven hundred eighty-one million, four hundred forty thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 3.1648865781440961 × 10¹⁶

Factors of 31648865781440961

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 408

Divisors of 31648865781440961

• Number of divisors d(n): 225
• Complete list of divisors:
  1 3 9 27 31 67 81 93 201 279 307 603 837 921 961 1809 2077 2511 2763 2883 4489 5427 6231 8289 8649 9517 13467 18693 20569 24867 25947 28551 29791 40401 56079 61707 64387 77841 85653 89373 94249 121203 139159 168237 185121 193161 256959 268119 282747 295027 363609 417477 555363 579483 637639 770877 804357 848241 885081 923521 1252431 1378123 1666089 1738449 1912917 1995997 2413071 2544723 2655243 2770563 2921719 3757293 4134369 4313929 5215347 5738751 5987991 6314683 7634169 7965729 8311689 8765157 9145837 11271879 12403107 12941787 17216253 17963973 18944049 19766809 23897187 24935067 26295471 27437511 37209321 38825361 42721813 51648759 53891919 56832147 59300427 61875907 74805201 78886413 82312533 90573289 111627963 116476083 128165439 133731799 161675757 170496441 177901281 185627721 195755173 236659239 246937599 271719867 283520947 349428249 384496317 401195397 423083761 511489323 533703843 556883163 587265519 612771079 740812797 815159601 850562841 1153488951 1203586191 1269251283 1324376203 1601111529 1670649489 1761796557 1838313237 2445478803 2551688523 2807771959 3460466853 3610758573 3807753849 3973128609 4145685769 5011948467 5285389671 5514939711 6068410363 7336436409 7655065569 8423315877 10832275719 11423261547 11919385827 12437057307 13115596591 15856169013 16544819133 18205231089 18995903449 22965196707 25269947631 34269784641 35758157481 37311171921 39346789773 41055662293 49634457399 54615693267 56987710347 75809842893 87040930729 107274472443 111933515763 118040369319 123166986879 163847079801 170963131041 188120721253 227429528679 261122792187 335800547289 354121107957 369500960637 406583494321 491541239403 512889393123 564362163759 783368376561 1062363323871 1108502881911 1219750482963 1272725531083 1538668179369 1693086491277 2350105129683 3325508645733 3659251448889 3818176593249 5079259473831 5831742358843 7050315389049 10977754346667 11454529779747 12604088323951 15237778421493 17495227076529 32933263040001 34363589339241 37812264971853 52485681229587 103090768017723 113436794915559 157457043688761 340310384746677 390726738042481 472371131066283 1020931154240031 1172180214127443 3516540642382329 10549621927146987 31648865781440961
• Sum of all divisors σ(n): 49755979833135345
• Sum of proper divisors (its aliquot sum) s(n): 18107114051694384
• 31648865781440961 is a deficient number, because the sum of its proper divisors (18107114051694384) is less than itself. Its deficiency is 13541751729746577

Bases of 31648865781440961

• Binary: 1110000011100000111100111001010011100100110000111000001₂
• Hexadecimal: 0x707079CA7261C1
• Base-36: 8NML480RR29

Squares and roots of 31648865781440961

• 31648865781440961 squared (31648865781440961²) is 1001650705251664570968505528603521
• 31648865781440961 cubed (31648865781440961³) is 31701108730395612730053659913808135659413438223681
• 31648865781440961 is a perfect square number. Its square root is 177901281
• The cube root of 31648865781440961 is 316314.7060448791

Scales and comparisons

• 31,648,865,781,440,961 seconds is equal to 1,006,336,035 years, 24 weeks, 6 days, 19 hours, 49 minutes, 21 seconds.
• To count from 1 to 31,648,865,781,440,961 would take you about three billion, nineteen million, eight thousand, one hundred six 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 31648865781440961 cubic inches would be around 26359.6 feet tall.

Recreational maths with 31648865781440961

• 31648865781440961 backwards is 16904418756884613
• 31648865781440961 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 31648865781440961's digits is 81
• More coming soon!