20642165712

Names of 20642165712

• Cardinal: 20642165712 can be written as Twenty billion, six hundred forty-two million, one hundred sixty-five thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 2.0642165712 × 10¹⁰

Factors of 20642165712

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 4025

Divisors of 20642165712

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 49 54 56 63 72 81 84 98 108 112 126 144 147 162 168 189 196 216 243 252 294 324 336 378 392 432 441 486 504 567 588 648 729 756 784 882 972 1008 1134 1176 1296 1323 1458 1512 1701 1764 1944 2187 2268 2352 2646 2916 3024 3402 3528 3888 3969 4013 4374 4536 5103 5292 5832 6561 6804 7056 7938 8026 8748 9072 10206 10584 11664 11907 12039 13122 13608 15309 15876 16052 17496 20412 21168 23814 24078 26244 27216 28091 30618 31752 32104 34992 35721 36117 40824 45927 47628 48156 52488 56182 61236 63504 64208 71442 72234 81648 84273 91854 95256 96312 104976 107163 108351 112364 122472 142884 144468 168546 183708 190512 192624 196637 214326 216702 224728 244944 252819 285768 288936 321489 325053 337092 367416 393274 428652 433404 449456 505638 571536 577872 589911 642978 650106 674184 734832 758457 786548 857304 866808 975159 1011276 1179822 1285956 1300212 1348368 1516914 1573096 1714608 1733616 1769733 1950318 2022552 2275371 2359644 2571912 2600424 2925477 3033828 3146192 3539466 3900636 4045104 4550742 4719288 5143824 5200848 5309199 5850954 6067656 6826113 7078932 7801272 8776431 9101484 9438576 10618398 11701908 12135312 13652226 14157864 15602544 15927597 17552862 18202968 20478339 21236796 23403816 26329293 27304452 28315728 31855194 35105724 36405936 40956678 42473592 46807632 47782791 52658586 54608904 61435017 63710388 70211448 81913356 84947184 95565582 105317172 109217808 122870034 127420776 140422896 143348373 163826712 184305051 191131164 210634344 245740068 254841552 286696746 327653424 368610102 382262328 421268688 430045119 491480136 573393492 737220204 764524656 860090238 982960272 1146786984 1290135357 1474440408 1720180476 2293573968 2580270714 2948880816 3440360952 5160541428 6880721904 10321082856 20642165712
• Sum of all divisors σ(n): 69799634658
• Sum of proper divisors (its aliquot sum) s(n): 49157468946
• 20642165712 is an abundant number, because the sum of its proper divisors (49157468946) is greater than itself. Its abundance is 28515303234

Bases of 20642165712

• Binary: 10011001110010111100111001111010000₂
• Hexadecimal: 0x4CE5E73D0
• Base-36: 9HDT900

Squares and roots of 20642165712

• 20642165712 squared (20642165712²) is 426099005281668466944
• 20642165712 cubed (20642165712³) is 8795606276742563730503042224128
• The square root of 20642165712 is 143673.8170718659
• The cube root of 20642165712 is 2743.1638782521

Scales and comparisons

• 20,642,165,712 seconds is equal to 656 years, 18 weeks, 3 days, 22 hours, 55 minutes, 12 seconds.
• To count from 1 to 20,642,165,712 would take you about one thousand, three hundred twelve 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 20642165712 cubic inches would be around 228.6 feet tall.

Recreational maths with 20642165712

• 20642165712 backwards is 21756124602
• 20642165712 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20642165712's digits is 36
• More coming soon!