21003664000

Names of 21003664000

• Cardinal: 21003664000 can be written as Twenty-one billion, three million, six hundred sixty-four thousand.

Scientific notation

• Scientific notation: 2.1003664 × 10¹⁰

Factors of 21003664000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 608

Divisors of 21003664000

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 11 16 19 20 22 25 32 38 40 44 50 55 64 76 80 88 95 100 110 121 125 128 152 160 176 190 200 209 220 242 250 275 304 320 352 380 400 418 440 475 484 500 550 571 605 608 640 704 760 800 836 880 950 968 1000 1045 1100 1142 1210 1216 1375 1408 1520 1600 1672 1760 1900 1936 2000 2090 2200 2284 2299 2375 2420 2432 2750 2855 3025 3040 3200 3344 3520 3800 3872 4000 4180 4400 4568 4598 4750 4840 5225 5500 5710 6050 6080 6281 6688 7040 7600 7744 8000 8360 8800 9136 9196 9500 9680 10450 10849 11000 11420 11495 12100 12160 12562 13376 14275 15125 15200 15488 16000 16720 17600 18272 18392 19000 19360 20900 21698 22000 22840 22990 24200 25124 26125 26752 28550 30250 30400 31405 33440 35200 36544 36784 38000 38720 41800 43396 44000 45680 45980 48400 50248 52250 54245 57100 57475 60500 60800 62810 66880 69091 71375 73088 73568 76000 77440 83600 86792 88000 91360 91960 96800 100496 104500 108490 114200 114950 119339 121000 125620 133760 138182 142750 147136 152000 157025 167200 173584 176000 182720 183920 193600 200992 209000 216980 228400 229900 238678 242000 251240 271225 276364 285500 287375 294272 304000 314050 334400 345455 347168 365440 367840 387200 401984 418000 433960 456800 459800 477356 484000 502480 542450 552728 571000 574750 596695 628100 668800 690910 694336 735680 785125 803968 836000 867920 913600 919600 954712 968000 1004960 1084900 1105456 1142000 1149500 1193390 1256200 1312729 1356125 1381820 1388672 1471360 1570250 1672000 1727275 1735840 1827200 1839200 1909424 1936000 2009920 2169800 2210912 2284000 2299000 2386780 2512400 2625458 2712250 2763640 2983475 3140500 3344000 3454550 3471680 3678400 3818848 4019840 4339600 4421824 4568000 4598000 4773560 5024800 5250916 5424500 5527280 5966950 6281000 6563645 6909100 6943360 7356800 7637696 8636375 8679200 8843648 9136000 9196000 9547120 10049600 10501832 10849000 11054560 11933900 12562000 13127290 13818200 14917375 15275392 17272750 17358400 18392000 19094240 20099200 21003664 21698000 22109120 23867800 25124000 26254580 27636400 29834750 32818225 34545500 34716800 36784000 38188480 42007328 43396000 44218240 47735600 50248000 52509160 55272800 59669500 65636450 69091000 76376960 84014656 86792000 95471200 100496000 105018320 110545600 119339000 131272900 138182000 164091125 168029312 173584000 190942400 210036640 221091200 238678000 262545800 276364000 328182250 381884800 420073280 477356000 525091600 552728000 656364500 840146560 954712000 1050183200 1105456000 1312729000 1909424000 2100366400 2625458000 4200732800 5250916000 10501832000 21003664000
• Sum of all divisors σ(n): 60526065600
• Sum of proper divisors (its aliquot sum) s(n): 39522401600
• 21003664000 is an abundant number, because the sum of its proper divisors (39522401600) is greater than itself. Its abundance is 18518737600

Bases of 21003664000

• Binary: 10011100011111010100111101010000000₂
• Hexadecimal: 0x4E3EA7A80
• Base-36: 9ND1EV4

Squares and roots of 21003664000

• 21003664000 squared (21003664000²) is 441153901424896000000
• 21003664000 cubed (21003664000³) is 9265848317817636818944000000000
• The square root of 21003664000 is 144926.4089115575
• The cube root of 21003664000 is 2759.0846225771

Scales and comparisons

• 21,003,664,000 seconds is equal to 667 years, 44 weeks, 1 day, 23 hours, 6 minutes, 40 seconds.
• To count from 1 to 21,003,664,000 would take you about one thousand, three hundred thirty-five 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 21003664000 cubic inches would be around 229.9 feet tall.

Recreational maths with 21003664000

• 21003664000 backwards is 00046630012
• 21003664000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21003664000's digits is 22
• More coming soon!