21215667200

Names of 21215667200

• Cardinal: 21215667200 can be written as Twenty-one billion, two hundred fifteen million, six hundred sixty-seven thousand, two hundred.

Scientific notation

• Scientific notation: 2.12156672 × 10¹⁰

Factors of 21215667200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1328

Divisors of 21215667200

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 25 26 28 32 35 40 49 50 52 56 64 65 70 80 91 98 100 104 112 128 130 140 160 175 182 196 200 208 224 245 256 260 280 320 325 350 364 392 400 416 448 455 490 512 520 560 637 640 650 700 728 784 800 832 896 910 980 1024 1040 1120 1225 1274 1280 1300 1301 1400 1456 1568 1600 1664 1792 1820 1960 2080 2240 2275 2450 2548 2560 2600 2602 2800 2912 3136 3185 3200 3328 3584 3640 3920 4160 4480 4550 4900 5096 5120 5200 5204 5600 5824 6272 6370 6400 6505 6656 7168 7280 7840 8320 8960 9100 9107 9800 10192 10400 10408 11200 11648 12544 12740 12800 13010 13312 14560 15680 15925 16640 16913 17920 18200 18214 19600 20384 20800 20816 22400 23296 25088 25480 25600 26020 29120 31360 31850 32525 33280 33826 35840 36400 36428 39200 40768 41600 41632 44800 45535 46592 50176 50960 52040 58240 62720 63700 63749 65050 66560 67652 72800 72856 78400 81536 83200 83264 84565 89600 91070 93184 101920 104080 116480 118391 125440 127400 127498 130100 135304 145600 145712 156800 163072 166400 166528 169130 179200 182140 203840 208160 227675 232960 236782 250880 254800 254996 260200 270608 291200 291424 313600 318745 326144 332800 333056 338260 364280 407680 416320 422825 455350 465920 473564 509600 509992 520400 541216 582400 582848 591955 627200 637490 652288 666112 676520 728560 815360 828737 832640 845650 910700 947128 1019200 1019984 1040800 1082432 1164800 1165696 1183910 1254400 1274980 1332224 1353040 1457120 1593725 1630720 1657474 1665280 1691300 1821400 1894256 2038400 2039968 2081600 2164864 2329600 2331392 2367820 2549960 2706080 2914240 2959775 3187450 3261440 3314948 3330560 3382600 3642800 3788512 4076800 4079936 4143685 4163200 4329728 4662784 4735640 5099920 5412160 5828480 5919550 6374900 6629896 6661120 6765200 7285600 7577024 8153600 8159872 8287370 8326400 8659456 9325568 9471280 10199840 10824320 11656960 11839100 12749800 13259792 13530400 14571200 15154048 16307200 16319744 16574740 16652800 17318912 18942560 20399680 20718425 21648640 23313920 23678200 25499600 26519584 27060800 29142400 30308096 32639488 33149480 33305600 37885120 40799360 41436850 43297280 46627840 47356400 50999200 53039168 54121600 58284800 60616192 65278976 66298960 75770240 81598720 82873700 86594560 94712800 101998400 106078336 108243200 116569600 121232384 132597920 151540480 163197440 165747400 189425600 203996800 212156672 216486400 233139200 265195840 303080960 326394880 331494800 378851200 407993600 424313344 432972800 530391680 606161920 662989600 757702400 815987200 848626688 1060783360 1325979200 1515404800 1631974400 2121566720 2651958400 3030809600 4243133440 5303916800 10607833600 21215667200
• Sum of all divisors σ(n): 65931569172
• Sum of proper divisors (its aliquot sum) s(n): 44715901972
• 21215667200 is an abundant number, because the sum of its proper divisors (44715901972) is greater than itself. Its abundance is 23500234772

Bases of 21215667200

• Binary: 10011110000100011010110010000000000₂
• Hexadecimal: 0x4F08D6400
• Base-36: 9QV9DKW

Squares and roots of 21215667200

• 21215667200 squared (21215667200²) is 450104534741155840000
• 21215667200 cubed (21215667200³) is 9549268014279200444776448000000
• The square root of 21215667200 is 145655.9892349095
• The cube root of 21215667200 is 2768.3366224977

Scales and comparisons

• 21,215,667,200 seconds is equal to 674 years, 30 weeks, 5 days, 16 hours, 53 minutes, 20 seconds.
• To count from 1 to 21,215,667,200 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 21215667200 cubic inches would be around 230.7 feet tall.

Recreational maths with 21215667200

• 21215667200 backwards is 00276651212
• 21215667200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21215667200's digits is 32
• More coming soon!