21245724160

Names of 21245724160

• Cardinal: 21245724160 can be written as Twenty-one billion, two hundred forty-five million, seven hundred twenty-four thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.124572416 × 10¹⁰

Factors of 21245724160

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 289

Divisors of 21245724160

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 53 61 64 68 80 85 106 122 128 136 151 160 170 212 244 256 265 272 302 305 320 340 424 488 512 530 544 604 610 640 680 755 848 901 976 1037 1060 1088 1208 1220 1280 1360 1510 1696 1802 1952 2074 2120 2176 2416 2440 2560 2567 2720 3020 3233 3392 3604 3904 4148 4240 4352 4505 4832 4880 5134 5185 5440 6040 6466 6784 7208 7808 8003 8296 8480 8704 9010 9211 9664 9760 10268 10370 10880 12080 12835 12932 13568 14416 15616 16006 16165 16592 16960 18020 18422 19328 19520 20536 20740 21760 24160 25670 25864 27136 28832 31232 32012 32330 33184 33920 36040 36844 38656 39040 40015 41072 41480 43520 46055 48320 51340 51728 54961 57664 64024 64660 66368 67840 72080 73688 77312 78080 80030 82144 82960 92110 96640 102680 103456 109922 115328 128048 129320 132736 135680 136051 144160 147376 156160 156587 160060 164288 165920 184220 193280 205360 206912 219844 230656 256096 258640 265472 272102 274805 288320 294752 313174 320120 328576 331840 368440 386560 410720 413824 439688 461312 488183 512192 517280 530944 544204 549610 576640 589504 626348 640240 657152 663680 680255 736880 782935 821440 827648 879376 976366 1024384 1034560 1088408 1099220 1153280 1179008 1252696 1280480 1314304 1327360 1360510 1473760 1565870 1642880 1655296 1758752 1952732 2048768 2069120 2176816 2198440 2306560 2358016 2440915 2505392 2560960 2654720 2721020 2947520 3131740 3285760 3517504 3905464 4097536 4138240 4353632 4396880 4716032 4881830 5010784 5121920 5442040 5895040 6263480 6571520 7035008 7810928 8276480 8299111 8707264 8793760 9763660 10021568 10243840 10884080 11790080 12526960 14070016 15621856 16598222 17414528 17587520 19527320 20043136 20487680 21768160 23580160 25053920 28140032 31243712 33196444 34829056 35175040 39054640 40086272 41495555 43536320 50107840 62487424 66392888 69658112 70350080 78109280 80172544 82991110 87072640 100215680 124974848 132785776 140700160 156218560 165982220 174145280 200431360 249949696 265571552 312437120 331964440 348290560 400862720 531143104 624874240 663928880 1062286208 1249748480 1327857760 2124572416 2655715520 4249144832 5311431040 10622862080 21245724160
• Sum of all divisors σ(n): 56224865664
• Sum of proper divisors (its aliquot sum) s(n): 34979141504
• 21245724160 is an abundant number, because the sum of its proper divisors (34979141504) is greater than itself. Its abundance is 13733417344

Bases of 21245724160

• Binary: 10011110010010110000000011000000000₂
• Hexadecimal: 0x4F2580600
• Base-36: 9RD5LOG

Squares and roots of 21245724160

• 21245724160 squared (21245724160²) is 451380795082807705600
• 21245724160 cubed (21245724160³) is 9589911863450816871500087296000
• The square root of 21245724160 is 145759.1306230933
• The cube root of 21245724160 is 2769.6433379361

Scales and comparisons

• 21,245,724,160 seconds is equal to 675 years, 28 weeks, 3 days, 14 hours, 2 minutes, 40 seconds.
• To count from 1 to 21,245,724,160 would take you about one thousand, three hundred fifty-one 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 21245724160 cubic inches would be around 230.8 feet tall.

Recreational maths with 21245724160

• 21245724160 backwards is 06142754212
• 21245724160 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21245724160's digits is 34
• More coming soon!