21345336522720

Names of 21345336522720

• Cardinal: 21345336522720 can be written as Twenty-one trillion, three hundred forty-five billion, three hundred thirty-six million, five hundred twenty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.134533652272 × 10¹³

Factors of 21345336522720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 78429384

Divisors of 21345336522720

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 70 72 80 81 84 90 96 105 108 112 120 126 135 140 144 160 162 168 180 189 210 216 224 240 243 252 270 280 288 315 324 336 360 378 405 420 432 480 486 504 540 560 567 630 648 672 720 756 810 840 864 945 972 1008 1080 1120 1134 1215 1260 1296 1440 1512 1620 1680 1701 1890 1944 2016 2160 2268 2430 2520 2592 2835 3024 3240 3360 3402 3780 3888 4320 4536 4860 5040 5670 6048 6480 6804 7560 7776 8505 9072 9720 10080 11340 12960 13608 15120 17010 18144 19440 22680 27216 30240 34020 38880 45360 54432 68040 90720 136080 272160 78429367 156858734 235288101 313717468 392146835 470576202 549005569 627434936 705864303 784293670 941152404 1098011138 1176440505 1254869872 1411728606 1568587340 1647016707 1882304808 2117592909 2196022276 2352881010 2509739744 2745027845 2823457212 3137174680 3294033414 3529321515 3764609616 4235185818 4392044552 4705762020 4941050121 5490055690 5646914424 6274349360 6352778727 6588066828 7058643030 7529219232 8235083535 8470371636 8784089104 9411524040 9882100242 10587964545 10980111380 11293828848 12548698720 12705557454 13176133656 14117286060 14823150363 16470167070 16940743272 17568178208 18823048080 19058336181 19764200484 21175929090 21960222760 22587657696 24705250605 25411114908 26352267312 28234572120 29646300726 31763893635 32940334140 33881486544 37646096160 38116672362 39528400968 42351858180 43920445520 44469451089 49410501210 50822229816 52704534624 56469144240 59292601452 63527787270 65880668280 67762973088 74115751815 76233344724 79056801936 84703716360 87840891040 88938902178 95291680905 98821002420 101644459632 112938288480 118585202904 127055574540 131761336560 133408353267 148231503630 152466689448 158113603872 169407432720 177877804356 190583361810 197642004840 203288919264 222347255445 237170405808 254111149080 263522673120 266816706534 296463007260 304933378896 338814865440 355755608712 381166723620 395284009680 444694510890 474340811616 508222298160 533633413068 592926014520 609866757792 667041766335 711511217424 762333447240 790568019360 889389021780 1016444596320 1067266826136 1185852029040 1334083532670 1423022434848 1524666894480 1778778043560 2134533652272 2371704058080 2668167065340 3049333788960 3557556087120 4269067304544 5336334130680 7115112174240 10672668261360 21345336522720
• Sum of all divisors σ(n): 86330028814848
• Sum of proper divisors (its aliquot sum) s(n): 64984692292128
• 21345336522720 is an abundant number, because the sum of its proper divisors (64984692292128) is greater than itself. Its abundance is 43639355769408

Bases of 21345336522720

• Binary: 100110110100111011001001100110111011111100000₂
• Hexadecimal: 0x1369D93377E0
• Base-36: 7KDWU8U00

Squares and roots of 21345336522720

• 21345336522720 squared (21345336522720²) is 455623391268164341076198400
• 21345336522720 cubed (21345336522720³) is 9725434614241893047184920818012827648000
• The square root of 21345336522720 is 4620101.3541609669
• The cube root of 21345336522720 is 27739.6515904535

Scales and comparisons

• 21,345,336,522,720 seconds is equal to 678,715 years, 35 weeks, 1 day, 1 hour, 12 minutes.
• To count from 1 to 21,345,336,522,720 would take you about one million, six hundred ninety-six thousand, seven hundred eighty-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 21345336522720 cubic inches would be around 2311.6 feet tall.

Recreational maths with 21345336522720

• 21345336522720 backwards is 02722563354312
• 21345336522720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21345336522720's digits is 45
• More coming soon!