21383021800

Names of 21383021800

• Cardinal: 21383021800 can be written as Twenty-one billion, three hundred eighty-three million, twenty-one thousand, eight hundred.

Scientific notation

• Scientific notation: 2.13830218 × 10¹⁰

Factors of 21383021800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5049

Divisors of 21383021800

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 8 10 14 19 20 23 25 28 35 38 40 46 49 50 56 70 76 92 95 98 100 115 133 140 152 161 175 184 190 196 200 230 245 266 280 322 350 380 392 437 460 475 490 532 575 644 665 700 760 805 874 920 931 950 980 1064 1127 1150 1225 1288 1330 1400 1610 1748 1862 1900 1960 2185 2254 2300 2450 2660 3059 3220 3325 3496 3724 3800 4025 4370 4508 4600 4655 4900 4993 5320 5635 6118 6440 6650 7448 8050 8740 9016 9310 9800 9986 10925 11270 12236 13300 15295 16100 17480 18620 19972 21413 21850 22540 23275 24472 24965 26600 28175 30590 32200 34951 37240 39944 42826 43700 45080 46550 49930 56350 61180 69902 76475 85652 87400 93100 94867 99860 107065 112700 114839 122360 124825 139804 152950 171304 174755 186200 189734 199720 214130 225400 229678 244657 249650 279608 305900 349510 379468 428260 459356 474335 489314 499300 535325 574195 611800 664069 699020 758936 803873 856520 873775 918712 948670 978628 998600 1070650 1148390 1223285 1328138 1398040 1607746 1747550 1897340 1957256 2141300 2181941 2296780 2371675 2446570 2656276 2870975 3215492 3320345 3495100 3794680 4019365 4282600 4363882 4593560 4648483 4743350 4893140 5312552 5627111 5741950 6116425 6430984 6640690 6990200 8038730 8727764 9296966 9486700 9786280 10909705 11254222 11483900 12232850 13281380 15273587 16077460 16601725 17455528 18593932 18973400 20096825 21819410 22508444 22967800 23242415 24465700 26562760 28135555 30547174 32154920 33203450 37187864 40193650 43638820 45016888 46484830 48931400 54548525 56271110 61094348 66406900 76367935 80387300 87277640 92969660 106915109 109097050 112542220 116212075 122188696 132813800 140677775 152735870 160774600 185939320 213830218 218194100 225084440 232424150 281355550 305471740 381839675 427660436 436388200 464848300 534575545 562711100 610943480 763679350 855320872 929696600 1069151090 1125422200 1527358700 2138302180 2672877725 3054717400 4276604360 5345755450 10691510900 21383021800
• Sum of all divisors σ(n): 63535665600
• Sum of proper divisors (its aliquot sum) s(n): 42152643800
• 21383021800 is an abundant number, because the sum of its proper divisors (42152643800) is greater than itself. Its abundance is 20769622000

Bases of 21383021800

• Binary: 10011111010100001110000010011101000₂
• Hexadecimal: 0x4FA8704E8
• Base-36: 9TMWD7S

Squares and roots of 21383021800

• 21383021800 squared (21383021800²) is 457233621299275240000
• 21383021800 cubed (21383021800³) is 9777036491935346781120232000000
• The square root of 21383021800 is 146229.3465758499
• The cube root of 21383021800 is 2775.5966814749

Scales and comparisons

• 21,383,021,800 seconds is equal to 679 years, 47 weeks, 3 days, 16 hours, 16 minutes, 40 seconds.
• To count from 1 to 21,383,021,800 would take you about one thousand, three hundred fifty-nine 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 21383021800 cubic inches would be around 231.3 feet tall.

Recreational maths with 21383021800

• 21383021800 backwards is 00812038312
• 21383021800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21383021800's digits is 28
• More coming soon!