21420751019625

Names of 21420751019625

• Cardinal: 21420751019625 can be written as Twenty-one trillion, four hundred twenty billion, seven hundred fifty-one million, nineteen thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 2.1420751019625 × 10¹³

Factors of 21420751019625

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 28430

Divisors of 21420751019625

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 9 15 17 25 27 31 45 51 75 85 93 125 135 153 155 225 255 279 375 425 431 459 465 527 675 765 775 837 1125 1275 1293 1395 1581 2125 2155 2295 2325 2635 3375 3825 3875 3879 4185 4743 6375 6465 6975 7327 7905 10775 11475 11625 11637 13175 13361 14229 19125 19395 20925 21981 23715 27943 32325 34875 36635 39525 40083 53875 57375 58185 65875 65943 66805 71145 83829 96975 104625 109905 118575 120249 139715 161625 183175 197625 197829 200415 227137 251487 290925 329715 334025 355725 360747 419145 475031 484875 549525 592875 601245 681411 698575 754461 866233 915875 989145 1002075 1135685 1257435 1425093 1454625 1648575 1670125 1778625 1803735 2044233 2095725 2375155 2598699 2747625 3006225 3407055 3492875 3772305 4275279 4331165 4945725 5010375 5678425 6132699 6287175 7125465 7796097 8242875 9018675 10221165 10478625 11875775 12043433 12825837 12993495 14725961 15031125 17035275 18861525 21376395 21655825 23388291 24728625 28392125 30663495 31435875 35627325 36130299 38980485 44177883 45093375 51105825 59378875 60217165 64129185 64967475 73629805 85176375 94307625 106881975 108279125 108390897 116941455 132533649 153317475 178136625 180651495 194902425 204738361 220889415 255529125 301085825 320645925 324837375 325172691 368149025 373346423 397600947 534409875 541954485 584707275 614215083 662668245 766587375 903257475 974512125 1023691805 1104447075 1120039269 1505429125 1603229625 1625863455 1840745125 1842645249 1866732115 1988004735 2709772425 2923536375 3071075415 3313341225 3360117807 4516287375 5118459025 5522235375 5527935747 5600196345 6346889191 8129317275 9213226245 9333660575 9940023675 10080353421 13548862125 15355377075 16566706125 16800589035 19040667573 25592295125 27639678735 28000981725 31734445955 40646586375 46066131225 46668302875 49700118375 50401767105 57122002719 76776885375 84002945175 95203337865 138198393675 140004908625 158672229775 171366008157 230330656125 252008835525 285610013595 420014725875 476016689325 690991968375 793361148875 856830040785 1260044177625 1428050067975 2380083446625 4284150203925 7140250339875 21420751019625
• Sum of all divisors σ(n): 43388975185920
• Sum of proper divisors (its aliquot sum) s(n): 21968224166295
• 21420751019625 is an abundant number, because the sum of its proper divisors (21968224166295) is greater than itself. Its abundance is 547473146670

Bases of 21420751019625

• Binary: 100110111101101101000010000010101111001101001₂
• Hexadecimal: 0x137B68415E69
• Base-36: 7LCK23889

Squares and roots of 21420751019625

• 21420751019625 squared (21420751019625²) is 458848574244765477135140625
• 21420751019625 cubed (21420751019625³) is 9828881064607037608661563166886509765625
• The square root of 21420751019625 is 4628255.7210708443
• The cube root of 21420751019625 is 27772.2818716889

Scales and comparisons

• 21,420,751,019,625 seconds is equal to 681,113 years, 32 weeks, 3 days, 33 minutes, 45 seconds.
• To count from 1 to 21,420,751,019,625 would take you about one million, seven hundred two thousand, seven hundred eighty-four 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 21420751019625 cubic inches would be around 2314.4 feet tall.

Recreational maths with 21420751019625

• 21420751019625 backwards is 52691015702412
• 21420751019625 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21420751019625's digits is 45
• More coming soon!