21218033200

Names of 21218033200

• Cardinal: 21218033200 can be written as Twenty-one billion, two hundred eighteen million, thirty-three thousand, two hundred.

Scientific notation

• Scientific notation: 2.12180332 × 10¹⁰

Factors of 21218033200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2061

Divisors of 21218033200

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 17 20 25 26 28 34 35 40 50 52 56 65 68 70 80 85 91 100 104 112 119 130 136 140 170 175 182 200 208 221 238 260 272 280 289 325 340 350 364 400 425 442 455 476 520 560 578 595 650 680 700 728 850 884 910 952 1040 1105 1156 1190 1300 1360 1400 1445 1456 1547 1700 1768 1820 1904 2017 2023 2210 2275 2312 2380 2600 2800 2890 2975 3094 3400 3536 3640 3757 4034 4046 4420 4550 4624 4760 5200 5525 5780 5950 6188 6800 7225 7280 7514 7735 8068 8092 8840 9100 9520 10085 10115 11050 11560 11900 12376 14119 14450 15028 15470 16136 16184 17680 18200 18785 20170 20230 22100 23120 23800 24752 26221 26299 28238 28900 30056 30940 32272 32368 34289 36400 37570 38675 40340 40460 44200 47600 50425 50575 52442 52598 56476 57800 60112 61880 68578 70595 75140 77350 80680 80920 88400 93925 100850 101150 104884 105196 112952 115600 123760 131105 131495 137156 141190 150280 154700 161360 161840 171445 183547 187850 201700 202300 209768 210392 225904 240023 262210 262990 274312 282380 300560 309400 342890 352975 367094 375700 403400 404600 419536 420784 445757 480046 524420 525980 548624 564760 582913 618800 655525 657475 685780 705950 734188 751400 806800 809200 857225 891514 917735 960092 1048840 1051960 1129520 1165826 1200115 1311050 1314950 1371560 1411900 1468376 1502800 1714450 1783028 1835470 1920184 2097680 2103920 2228785 2331652 2400230 2622100 2629900 2743120 2823800 2914565 2936752 3120299 3428900 3566056 3670940 3840368 4080391 4457570 4588675 4663304 4800460 5244200 5259800 5647600 5829130 6000575 6240598 6857800 7132112 7341880 7577869 8160782 8915140 9177350 9326608 9600920 10488400 10519600 11143925 11658260 12001150 12481196 13715600 14572825 14683760 15155738 15601495 16321564 17830280 18354700 19201840 20401955 22287850 23316520 24002300 24962392 29145650 30311476 31202990 32643128 35660560 36709400 37889345 40803910 44575700 46633040 48004600 49924784 53045083 58291300 60622952 62405980 65286256 73418800 75778690 78007475 81607820 89151400 96009200 102009775 106090166 116582600 121245904 124811960 151557380 156014950 163215640 178302800 189446725 204019550 212180332 233165200 249623920 265225415 303114760 312029900 326431280 378893450 408039100 424360664 530450830 606229520 624059800 757786900 816078200 848721328 1060901660 1248119600 1326127075 1515573800 1632156400 2121803320 2652254150 3031147600 4243606640 5304508300 10609016600 21218033200
• Sum of all divisors σ(n): 66680822432
• Sum of proper divisors (its aliquot sum) s(n): 45462789232
• 21218033200 is an abundant number, because the sum of its proper divisors (45462789232) is greater than itself. Its abundance is 24244756032

Bases of 21218033200

• Binary: 10011110000101100010111111000110000₂
• Hexadecimal: 0x4F0B17E30
• Base-36: 9QWO374

Squares and roots of 21218033200

• 21218033200 squared (21218033200²) is 450204932876302240000
• 21218033200 cubed (21218033200³) is 9552463212573152421554368000000
• The square root of 21218033200 is 145664.1108852829
• The cube root of 21218033200 is 2768.4395282247

Scales and comparisons

• 21,218,033,200 seconds is equal to 674 years, 34 weeks, 5 days, 2 hours, 6 minutes, 40 seconds.
• To count from 1 to 21,218,033,200 would take you about one thousand, three hundred forty-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 21218033200 cubic inches would be around 230.7 feet tall.

Recreational maths with 21218033200

• 21218033200 backwards is 00233081212
• The number of decimal digits it has is: 11
• The sum of 21218033200's digits is 22
• More coming soon!