66729126798740

Names of 66729126798740

• Cardinal: 66729126798740 can be written as Sixty-six trillion, seven hundred twenty-nine billion, one hundred twenty-six million, seven hundred ninety-eight thousand, seven hundred forty.

Scientific notation

• Scientific notation: 6.672912679874 × 10¹³

Factors of 66729126798740

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4450

Divisors of 66729126798740

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 49 70 73 98 140 146 196 245 292 343 365 490 511 686 730 980 1022 1372 1460 1715 2044 2401 2555 3430 3577 4363 4802 5110 6860 7154 8726 9604 10220 12005 14308 17452 17885 21815 24010 25039 30541 35770 43630 48020 50078 61082 71540 87260 100156 122164 125195 152705 175273 213787 250390 305410 318499 350546 427574 500780 610820 636998 701092 855148 876365 1068935 1273996 1496509 1592495 1752730 2137870 2229493 2993018 3184990 3505460 4275740 4458986 5986036 6369980 7482545 8917972 10475563 11147465 14965090 15606451 19035769 20951126 22294930 29930180 31212902 38071538 41902252 44589860 52377815 62425804 76143076 78032255 95178845 104755630 109245157 133250383 156064510 190357690 209511260 218490314 266500766 312129020 380715380 436980628 533001532 546225785 666251915 764716099 932752681 1092451570 1332503830 1389611137 1529432198 1865505362 2184903140 2665007660 2779222274 3058864396 3731010724 3823580495 4663763405 5558444548 6529268767 6948055685 7647160990 9327526810 9727277959 13058537534 13896111370 15294321980 18655053620 19454555918 26117075068 27792222740 32646343835 38909111836 45704881369 48636389795 65292687670 68090945713 91409762738 97272779590 130585375340 136181891426 182819525476 194545559180 228524406845 272363782852 340454728565 457048813690 476636619991 680909457130 914097627380 953273239982 1361818914260 1906546479964 2383183099955 3336456339937 4766366199910 6672912679874 9532732399820 13345825359748 16682281699685 33364563399370 66729126798740
• Sum of all divisors σ(n): 165754030152564
• Sum of proper divisors (its aliquot sum) s(n): 99024903353824
• 66729126798740 is an abundant number, because the sum of its proper divisors (99024903353824) is greater than itself. Its abundance is 32295776555084

Bases of 66729126798740

• Binary: 1111001011000010010101111001100010010110010100₂
• Hexadecimal: 0x3CB095E62594
• Base-36: NNIXR78GK

Squares and roots of 66729126798740

• 66729126798740 squared (66729126798740²) is 4452776363322320840465587600
• 66729126798740 cubed (66729126798740³) is 297129878554567518415924641737921039624000
• The square root of 66729126798740 is 8168789.8001319633
• The cube root of 66729126798740 is 40560.6725224943

Scales and comparisons

• 66,729,126,798,740 seconds is equal to 2,121,779 years, 42 weeks, 6 days, 11 hours, 12 minutes, 20 seconds.
• To count from 1 to 66,729,126,798,740 would take you about five million, three hundred four thousand, four 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 66729126798740 cubic inches would be around 3380.1 feet tall.

Recreational maths with 66729126798740

• 66729126798740 backwards is 04789762192766
• The number of decimal digits it has is: 14
• The sum of 66729126798740's digits is 74
• More coming soon!