81767064308940

Names of 81767064308940

• Cardinal: 81767064308940 can be written as Eighty-one trillion, seven hundred sixty-seven billion, sixty-four million, three hundred eight thousand, nine hundred forty.

Scientific notation

• Scientific notation: 8.176706430894 × 10¹³

Factors of 81767064308940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 13138

Divisors of 81767064308940

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 243 270 324 405 486 540 810 972 1187 1215 1620 2374 2430 3561 4748 4860 5935 7122 10683 11870 11941 14244 17805 21366 23740 23882 32049 35610 35823 42732 47764 53415 59705 64098 71220 71646 96147 106830 107469 119410 128196 143292 160245 179115 192294 213660 214938 238820 288441 320490 322407 358230 384588 429876 480735 537345 576882 640980 644814 716460 961470 967221 1074690 1153764 1289628 1408969 1442205 1612035 1922940 1934442 2149380 2817938 2884410 2901663 3224070 3868884 4226907 4836105 5635876 5768820 5803326 6448140 7044845 8453814 9672210 11606652 12680721 14089690 14173967 14508315 16907628 19344420 21134535 25361442 28179380 28347934 29016630 38042163 42269070 42521901 50722884 56695868 58033260 63403605 70869835 76084326 84538140 85043802 114126489 126807210 127565703 141739670 152168652 170087604 190210815 212609505 228252978 253614420 255131406 283479340 342379467 380421630 382697109 425219010 456505956 510262812 570632445 637828515 684758934 760843260 765394218 850438020 1141264890 1148091327 1275657030 1369517868 1530788436 1711897335 1913485545 2282529780 2296182654 2551314060 3423794670 3444273981 3826971090 4592365308 5740456635 6847589340 6888547962 7653942180 11480913270 13777095924 16824498829 17221369905 22961826540 33648997658 34442739810 50473496487 67297995316 68885479620 84122494145 100946992974 151420489461 168244988290 201893985948 252367482435 302840978922 336489976580 454261468383 504734964870 605681957844 757102447305 908522936766 1009469929740 1362784405149 1514204894610 1817045873532 2271307341915 2725568810298 3028409789220 4088353215447 4542614683830 5451137620596 6813922025745 8176706430894 9085229367660 13627844051490 16353412861788 20441766077235 27255688102980 40883532154470 81767064308940
• Sum of all divisors σ(n): 257451370739472
• Sum of proper divisors (its aliquot sum) s(n): 175684306430532
• 81767064308940 is an abundant number, because the sum of its proper divisors (175684306430532) is greater than itself. Its abundance is 93917242121592

Bases of 81767064308940

• Binary: 10010100101110111100000110100101000110011001100₂
• Hexadecimal: 0x4A5DE0D28CCC
• Base-36: SZF9QXCR0

Squares and roots of 81767064308940

• 81767064308940 squared (81767064308940²) is 6685852805702329599763923600
• 81767064308940 cubed (81767064308940³) is 546682556323969315126668832443376956984000
• The square root of 81767064308940 is 9042514.2692140663
• The cube root of 81767064308940 is 43403.6382498129

Scales and comparisons

• 81,767,064,308,940 seconds is equal to 2,599,939 years, 37 weeks, 4 days, 3 hours, 9 minutes.
• To count from 1 to 81,767,064,308,940 would take you about six million, four hundred ninety-nine thousand, eight hundred forty-nine 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 81767064308940 cubic inches would be around 3617 feet tall.

Recreational maths with 81767064308940

• 81767064308940 backwards is 04980346076718
• The number of decimal digits it has is: 14
• The sum of 81767064308940's digits is 63
• More coming soon!