21009570493730

Names of 21009570493730

• Cardinal: 21009570493730 can be written as Twenty-one trillion, nine billion, five hundred seventy million, four hundred ninety-three thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 2.100957049373 × 10¹³

Factors of 21009570493730

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 200

Divisors of 21009570493730

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 5 7 10 13 14 26 35 49 65 70 91 98 130 169 173 182 245 338 343 346 455 490 637 686 845 865 910 1183 1211 1274 1690 1715 1730 2249 2366 2401 2422 3185 3430 4459 4498 4802 5915 6055 6370 8281 8477 8918 11245 11830 12005 12110 15743 16562 16954 22295 22490 24010 29237 29929 31213 31486 41405 42385 44590 57967 58474 59339 59858 62426 78715 82810 84770 110201 115934 118678 146185 149645 156065 157430 204659 209503 220402 289835 292370 296695 299290 312130 389077 405769 409318 415373 419006 551005 579670 593390 771407 778154 811538 830746 1023295 1047515 1102010 1432613 1466521 1542814 1945385 2028845 2046590 2076865 2095030 2723539 2865226 2933042 3857035 3890770 4057690 4153730 5058001 5177717 5399849 5447078 7163065 7332605 7714070 10028291 10116002 10265647 10355434 10799698 13617695 14326130 14665210 19064773 20056582 20531294 25290005 25888585 26999245 27235390 35406007 36244019 38129546 50141455 50580010 51328235 51777170 53998490 67310321 70198037 70812014 71859529 72488038 95323865 100282910 102656470 133453411 134620642 140396074 143719058 177030035 181220095 190647730 247842049 253708133 266906822 336551605 350990185 354060070 359297645 362440190 471172247 495684098 507416266 667267055 673103210 701980370 718595290 875034173 934173877 942344494 1239210245 1268540665 1334534110 1734894343 1750068346 1775956931 1868347754 2355861235 2478420490 2537081330 3298205729 3469788686 3551913862 4375170865 4670869385 4711722470 6125239211 6596411458 8674471715 8750341730 8879784655 9341738770 12144260401 12250478422 12431698517 16491028645 17348943430 17759569310 23087440103 24288520802 24863397034 30626196055 32982057290 42876674477 46174880206 60721302005 61252392110 62158492585 85753348954 115437200515 121442604010 124316985170 161612080721 214383372385 230874401030 300136721339 323224161442 428766744770 600273442678 808060403605 1500683606695 1616120807210 2100957049373 3001367213390 4201914098746 10504785246865 21009570493730
• Sum of all divisors σ(n): 48049919983080
• Sum of proper divisors (its aliquot sum) s(n): 27040349489350
• 21009570493730 is an abundant number, because the sum of its proper divisors (27040349489350) is greater than itself. Its abundance is 6030778995620

Bases of 21009570493730

• Binary: 100110001101110101011111111000111010100100010₂
• Hexadecimal: 0x131BABFC7522
• Base-36: 7G3NVTJXE

Squares and roots of 21009570493730

• 21009570493730 squared (21009570493730²) is 441402052331010235969312900
• 21009570493730 cubed (21009570493730³) is 9273667534525458020703481029581858117000
• The square root of 21009570493730 is 4583619.8024847133
• The cube root of 21009570493730 is 27593.4322807011

Scales and comparisons

• 21,009,570,493,730 seconds is equal to 668,039 years, 18 weeks, 3 days, 3 hours, 48 minutes, 50 seconds.
• To count from 1 to 21,009,570,493,730 would take you about one million, six hundred seventy thousand and ninety-eight 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 21009570493730 cubic inches would be around 2299.5 feet tall.

Recreational maths with 21009570493730

• 21009570493730 backwards is 03739407590012
• The number of decimal digits it has is: 14
• The sum of 21009570493730's digits is 50
• More coming soon!