21205133301240

Names of 21205133301240

• Cardinal: 21205133301240 can be written as Twenty-one trillion, two hundred five billion, one hundred thirty-three million, three hundred one thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.120513330124 × 10¹³

Factors of 21205133301240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7495

Divisors of 21205133301240

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 157 168 180 210 252 280 314 315 360 420 471 504 628 630 785 840 942 1099 1256 1260 1413 1570 1884 2198 2355 2520 2826 3140 3297 3768 4396 4710 5495 5652 6280 6594 7065 7321 8792 9420 9891 10990 11304 13188 14130 14642 16485 18840 19782 21963 21980 26376 28260 29284 32970 36605 39564 43926 43960 49455 51247 56520 58568 65889 65940 73210 79128 87852 98910 102494 109815 131778 131880 146420 153741 175704 197820 204988 219630 256235 263556 292840 307482 329445 395640 409976 439260 461223 512470 527112 614964 658890 768705 878520 922446 1024940 1149397 1229928 1317780 1537410 1844892 2049880 2298794 2306115 2635560 3074820 3448191 3689784 4597588 4612230 5746985 6149640 6896382 8045779 9195176 9224460 10344573 11493970 13792764 16091558 17240955 18448920 20689146 22987940 24137337 27585528 32183116 34481910 40228895 41378292 45975880 48274674 51722865 53597041 64366232 68963820 72412011 80457790 82756584 96549348 103445730 107194082 120686685 137927640 144824022 160791123 160915580 193098696 206891460 214388164 241373370 267985205 289648044 321582246 321831160 362060055 375179287 413782920 428776328 482373369 482746740 535970410 579296088 643164492 724120110 750358574 803955615 964746738 965493480 1071940820 1125537861 1286328984 1448240220 1500717148 1607911230 1875896435 1929493476 2143881640 2251075722 2411866845 2896480440 3001434296 3215822460 3376613583 3751792870 3858986952 4502151444 4823733690 5627689305 6431644920 6753227166 7503585740 8414735437 9004302888 9647467380 11255378610 13506454332 15007171480 16829470874 16883067915 19294934760 22510757220 25244206311 27012908664 33658941748 33766135830 42073677185 45021514440 50488412622 58903148059 67317883496 67532271660 75732618933 84147354370 100976825244 117806296118 126221031555 135064543320 151465237866 168294708740 176709444177 201953650488 235612592236 252442063110 294515740295 302930475732 336589417480 353418888354 378663094665 471225184472 504884126220 530128332531 589031480590 605860951464 706837776708 757326189330 883547220885 1009768252440 1060256665062 1178062961180 1413675553416 1514652378660 1767094441770 2120513330124 2356125922360 2650641662655 3029304757320 3534188883540 4241026660248 5301283325310 7068377767080 10602566650620 21205133301240
• Sum of all divisors σ(n): 79274420353440
• Sum of proper divisors (its aliquot sum) s(n): 58069287052200
• 21205133301240 is an abundant number, because the sum of its proper divisors (58069287052200) is greater than itself. Its abundance is 36864153750960

Bases of 21205133301240

• Binary: 100110100100100110100011100000001010111111000₂
• Hexadecimal: 0x1349347015F8
• Base-36: 7ILI4V7Y0

Squares and roots of 21205133301240

• 21205133301240 squared (21205133301240²) is 449657678323357620585537600
• 21205133301240 cubed (21205133301240³) is 9535051008772894369208112309688146624000
• The square root of 21205133301240 is 4604903.1804414737
• The cube root of 21205133301240 is 27678.7837301751

Scales and comparisons

• 21,205,133,301,240 seconds is equal to 674,257 years, 33 weeks, 4 days, 13 hours, 54 minutes.
• To count from 1 to 21,205,133,301,240 would take you about one million, six hundred eighty-five thousand, six hundred forty-four 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 21205133301240 cubic inches would be around 2306.6 feet tall.

Recreational maths with 21205133301240

• 21205133301240 backwards is 04210333150212
• The number of decimal digits it has is: 14
• The sum of 21205133301240's digits is 27
• More coming soon!