21235408800

Names of 21235408800

• Cardinal: 21235408800 can be written as Twenty-one billion, two hundred thirty-five million, four hundred eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.12354088 × 10¹⁰

Factors of 21235408800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3339

Divisors of 21235408800

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 41 48 50 60 67 75 80 82 96 100 120 123 134 150 160 164 200 201 205 240 246 268 300 328 335 400 402 410 480 492 536 600 615 656 670 800 804 820 984 1005 1025 1072 1200 1230 1312 1340 1608 1640 1675 1968 2010 2050 2144 2400 2460 2680 2747 3075 3216 3221 3280 3350 3936 4020 4100 4920 5025 5360 5494 6150 6432 6442 6560 6700 8040 8200 8241 9663 9840 10050 10720 10988 12300 12884 13400 13735 16080 16105 16400 16482 19326 19680 20100 21976 24600 25768 26800 27470 32160 32210 32800 32964 38652 40200 41205 43952 48315 49200 51536 53600 54940 64420 65928 68675 77304 80400 80525 82410 87904 96630 98400 103072 109880 128840 131856 132061 137350 154608 160800 161050 164820 193260 206025 215807 219760 241575 257680 263712 264122 274700 309216 322100 329640 386520 396183 412050 431614 439520 483150 515360 528244 549400 644200 647421 659280 660305 773040 792366 824100 863228 966300 1056488 1079035 1098800 1288400 1294842 1318560 1320610 1546080 1584732 1648200 1726456 1932600 1980915 2112976 2158070 2197600 2576800 2589684 2641220 3169464 3237105 3296400 3301525 3452912 3865200 3961830 4225952 4316140 5179368 5282440 5395175 6338928 6474210 6592800 6603050 6905824 7730400 7923660 8632280 8848087 9904575 10358736 10564880 10790350 12677856 12948420 13206100 15847320 16185525 17264560 17696174 19809150 20717472 21129760 21580700 25896840 26412200 26544261 31694640 32371050 34529120 35392348 39618300 43161400 44240435 51793680 52824400 53088522 63389280 64742100 70784696 79236600 86322800 88480870 103587360 105648800 106177044 129484200 132721305 141569392 158473200 172645600 176961740 212354088 221202175 258968400 265442610 283138784 316946400 353923480 424708176 442404350 517936800 530885220 663606525 707846960 849416352 884808700 1061770440 1327213050 1415693920 1769617400 2123540880 2654426100 3539234800 4247081760 5308852200 7078469600 10617704400 21235408800
• Sum of all divisors σ(n): 71886273984
• Sum of proper divisors (its aliquot sum) s(n): 50650865184
• 21235408800 is an abundant number, because the sum of its proper divisors (50650865184) is greater than itself. Its abundance is 29415456384

Bases of 21235408800

• Binary: 10011110001101110101001111110100000₂
• Hexadecimal: 0x4F1BA9FA0
• Base-36: 9R70IAO

Squares and roots of 21235408800

• 21235408800 squared (21235408800²) is 450942586903117440000
• 21235408800 cubed (21235408800³) is 9575950178217224832809472000000
• The square root of 21235408800 is 145723.7413738749
• The cube root of 21235408800 is 2769.1950203837

Scales and comparisons

• 21,235,408,800 seconds is equal to 675 years, 11 weeks, 3 days, 4 hours, 40 minutes.
• To count from 1 to 21,235,408,800 would take you about one thousand, three hundred fifty 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 21235408800 cubic inches would be around 230.8 feet tall.

Recreational maths with 21235408800

• 21235408800 backwards is 00880453212
• The number of decimal digits it has is: 11
• The sum of 21235408800's digits is 33
• More coming soon!