21508304252448

Names of 21508304252448

• Cardinal: 21508304252448 can be written as Twenty-one trillion, five hundred eight billion, three hundred four million, two hundred fifty-two thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 2.1508304252448 × 10¹³

Factors of 21508304252448

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 129079

Divisors of 21508304252448

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 31 32 39 48 52 62 78 93 96 104 124 156 186 208 248 312 372 403 416 496 624 744 806 992 1209 1248 1488 1612 2418 2976 3224 4463 4836 6448 8926 9672 12896 13389 17852 19344 26778 35704 38688 53556 58019 71408 107112 116038 124567 138353 142816 174057 214224 232076 249134 276706 348114 373701 415059 428448 464152 498268 553412 696228 747402 830118 928304 996536 1106824 1392456 1494804 1619371 1660236 1798589 1856608 1993072 2213648 2784912 2989608 3238742 3320472 3597178 3861577 3986144 4427296 4858113 5395767 5569824 5979216 6477484 6640944 7194356 7723154 9716226 10791534 11584731 11958432 12954968 13281888 14388712 15446308 19432452 21583068 23169462 25909936 28777424 30892616 38864904 43166136 46338924 50200501 51819872 57554848 61785232 77729808 86332272 92677848 100401002 123570464 150601503 155459616 172664544 185355696 200802004 301203006 370711392 401604008 555942521 602406012 803208016 1111885042 1204812024 1606416032 1667827563 2223770084 2409624048 3335655126 4447540168 4819248096 6671310252 7227252773 8895080336 13342620504 14454505546 17234218151 17790160672 21681758319 26685241008 28909011092 34468436302 43363516638 51702654453 53370482016 57818022184 68936872604 86727033276 103405308906 115636044368 137873745208 173454066552 206810617812 224044835963 231272088736 275747490416 346908133104 413621235624 448089671926 551494980832 672134507889 693816266208 827242471248 896179343852 1344269015778 1654484942496 1792358687704 2688538031556 3584717375408 5377076063112 7169434750816 10754152126224 21508304252448
• Sum of all divisors σ(n): 62778253934592
• Sum of proper divisors (its aliquot sum) s(n): 41269949682144
• 21508304252448 is an abundant number, because the sum of its proper divisors (41269949682144) is greater than itself. Its abundance is 19761645429696

Bases of 21508304252448

• Binary: 100111000111111001010110101011010111000100000₂
• Hexadecimal: 0x138FCAD5AE20
• Base-36: 7MGS10V1C

Squares and roots of 21508304252448

• 21508304252448 squared (21508304252448²) is 462607151815872720113992704
• 21508304252448 cubed (21508304252448³) is 9949895370614192751132106178751246139392
• The square root of 21508304252448 is 4637704.6318677951
• The cube root of 21508304252448 is 27810.0684043867

Scales and comparisons

• 21,508,304,252,448 seconds is equal to 683,897 years, 28 weeks, 2 days, 15 hours, 48 seconds.
• To count from 1 to 21,508,304,252,448 would take you about one million, seven hundred nine thousand, seven hundred forty-three 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 21508304252448 cubic inches would be around 2317.5 feet tall.

Recreational maths with 21508304252448

• 21508304252448 backwards is 84425240380512
• 21508304252448 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21508304252448's digits is 48
• More coming soon!