21239555247200

Names of 21239555247200

• Cardinal: 21239555247200 can be written as Twenty-one trillion, two hundred thirty-nine billion, five hundred fifty-five million, two hundred forty-seven thousand, two hundred.

Scientific notation

• Scientific notation: 2.12395552472 × 10¹³

Factors of 21239555247200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1344

Divisors of 21239555247200

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 25 29 32 38 40 50 58 76 80 95 100 116 145 152 160 190 200 232 290 304 380 400 464 475 551 580 608 725 760 800 841 928 950 1102 1160 1289 1450 1520 1682 1900 2204 2320 2578 2755 2900 3040 3364 3800 4205 4408 4640 5156 5510 5800 6445 6728 7600 8410 8816 10312 11020 11600 12890 13456 13775 15200 15979 16820 17632 20624 21025 22040 23200 24491 25780 26912 27550 31958 32225 33640 37381 41248 42050 44080 48982 51560 55100 63916 64450 67280 74762 79895 84100 88160 97964 103120 110200 122455 127832 128900 134560 149524 159790 168200 186905 195928 206240 220400 244910 255664 257800 299048 319580 336400 373810 391856 399475 440800 489820 511328 515600 598096 612275 639160 672800 710239 747620 783712 798950 934525 979640 1031200 1084049 1196192 1224550 1278320 1420478 1495240 1597900 1661521 1869050 1959280 2168098 2449100 2556640 2840956 2990480 3195800 3323042 3551195 3738100 3918560 4336196 4898200 5420245 5681912 5980960 6391600 6646084 7102390 7476200 8307605 8672392 9796400 10840490 11363824 12783200 13292168 14204780 14952400 16615210 17344784 17755975 19592800 20596931 21680980 22727648 26584336 27101225 28409560 29904800 31568899 33230420 34689568 35511950 41193862 41538025 43361960 48184109 53168672 54202450 56819120 63137798 66460840 71023900 82387724 83076050 86723920 96368218 102984655 108404900 113638240 126275596 132921680 142047800 157844495 164775448 166152100 173447840 192736436 205969310 216809800 240920545 252551192 265843360 284095600 315688990 329550896 332304200 385472872 411938620 433619600 481841090 505102384 514923275 568191200 631377980 659101792 664608400 770945744 789222475 823877240 867239200 915498071 963682180 1010204768 1029846550 1204602725 1262755960 1329216800 1397339161 1541891488 1578444950 1647754480 1830996142 1927364360 2059693100 2409205450 2525511920 2794678322 3156889900 3295508960 3661992284 3854728720 4119386200 4577490355 4818410900 5051023840 5589356644 6313779800 6986695805 7323984568 7709457440 8238772400 9154980710 9636821800 11178713288 12627559600 13973391610 14647969136 16477544800 18309961420 19273643600 22357426576 22887451775 25255119200 26549444059 27946783220 29295938272 34933479025 36619922840 38547287200 44714853152 45774903550 53098888118 55893566440 69866958050 73239845680 91549807100 106197776236 111787132880 132747220295 139733916100 146479691360 183099614200 212395552472 223574265760 265494440590 279467832200 366199228400 424791104944 530988881180 558935664400 663736101475 732398456800 849582209888 1061977762360 1117871328800 1327472202950 2123955524720 2654944405900 4247911049440 5309888811800 10619777623600 21239555247200
• Sum of all divisors σ(n): 56570925361860
• Sum of proper divisors (its aliquot sum) s(n): 35331370114660
• 21239555247200 is an abundant number, because the sum of its proper divisors (35331370114660) is greater than itself. Its abundance is 14091814867460

Bases of 21239555247200

• Binary: 100110101000100111000001001010100110001100000₂
• Hexadecimal: 0x135138254C60
• Base-36: 7J1BESZFK

Squares and roots of 21239555247200

• 21239555247200 squared (21239555247200²) is 451118707098861053107840000
• 21239555247200 cubed (21239555247200³) is 9581560702471694169680340939458048000000
• The square root of 21239555247200 is 4608639.1968996661
• The cube root of 21239555247200 is 27693.7524725193

Scales and comparisons

• 21,239,555,247,200 seconds is equal to 675,352 years, 8 weeks, 1 day, 17 hours, 33 minutes, 20 seconds.
• To count from 1 to 21,239,555,247,200 would take you about one million, six hundred eighty-eight thousand, three hundred eighty 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 21239555247200 cubic inches would be around 2307.8 feet tall.

Recreational maths with 21239555247200

• 21239555247200 backwards is 00274255593212
• The number of decimal digits it has is: 14
• The sum of 21239555247200's digits is 47
• More coming soon!