18215087604021

Names of 18215087604021

• Cardinal: 18215087604021 can be written as Eighteen trillion, two hundred fifteen billion, eighty-seven million, six hundred four thousand and twenty-one.

Scientific notation

• Scientific notation: 1.8215087604021 × 10¹³

Factors of 18215087604021

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 295

Divisors of 18215087604021

• Number of divisors d(n): 336
• Complete list of divisors:
  1 3 7 9 11 17 21 27 33 51 63 77 81 99 119 153 187 189 231 243 257 289 297 357 459 561 567 693 729 771 867 891 1071 1309 1377 1683 1701 1799 2023 2079 2313 2601 2673 2827 3179 3213 3927 4131 4369 4913 5049 5103 5397 6069 6237 6939 7803 8019 8481 9537 9639 11781 12393 13107 14739 15147 16191 18207 18711 19789 20817 22253 23409 25443 28611 28917 30583 34391 35343 39321 44217 45441 48059 48573 54043 54621 56133 59367 62451 66049 66759 70227 74273 76329 85833 86751 91749 103173 106029 117963 132651 136323 144177 145719 162129 163863 178101 187353 198147 200277 210681 222819 228987 257499 275247 309519 318087 336413 353889 378301 397953 432531 437157 462343 486387 491589 519911 534303 594441 600831 668457 686961 726539 772497 817003 825741 928557 954261 1009239 1061667 1122833 1134903 1193859 1262641 1297593 1311471 1387029 1459161 1474767 1559733 1602909 1783323 1802493 2005371 2060883 2179617 2317491 2451009 2477223 2785671 3027717 3185001 3368499 3404709 3581577 3787923 3892779 4161087 4377483 4679199 4808727 5085773 5349969 5407479 5719021 6016113 6538851 7353027 7431669 7859831 8357013 8838487 9083151 10105497 10214127 11363769 11678337 12351163 12483261 13132449 13889051 14037597 14426181 15257319 16049907 16222437 17157063 18048339 19088161 19616553 22059081 22295007 23579493 25071039 26515461 27249453 30316491 30642381 34091307 35035011 37053489 37449783 39397347 41667153 42112791 45771957 48149721 51471189 54145017 57264483 58849659 66177243 70738479 79546383 81748359 86458141 90949473 91927143 97223357 102273921 111160467 112349349 125001459 126338373 133617127 137315871 154413567 171793449 176548977 198531729 209969771 212215437 238639149 245245077 259374423 272848419 275781429 291670071 306821763 324498737 333481401 337048047 375004377 379015119 400851381 411947613 463240701 515380347 529646931 595595187 629909313 636646311 715917447 778123269 818545257 875010213 920465289 973496211 1000444203 1125013131 1202554143 1235842839 1389722103 1469788397 1546141041 1889727939 1909938933 2147752341 2271491159 2334369807 2625030639 2920488633 3001332609 3375039393 3569486107 3607662429 3707528517 4169166309 4409365191 4638423123 5669183817 5729816799 6443257023 6814473477 7003109421 7875091917 8761465899 9003997827 10125118179 10708458321 10822987287 13228095573 13915269369 17007551451 20443420431 21009328263 23625275751 24986402749 26284397697 32125374963 32468961861 39684286719 51022654353 61330261293 63027984789 70875827253 74959208247 78853193091 96376124889 97406885583 119052860157 153067963059 183990783879 224877624741 236559579273 289128374667 357158580471 551972351637 674632874223 867385124001 1071475741413 1655917054911 2023898622669 2602155372003 6071695868007 18215087604021
• Sum of all divisors σ(n): 36317945877120
• Sum of proper divisors (its aliquot sum) s(n): 18102858273099
• 18215087604021 is a deficient number, because the sum of its proper divisors (18102858273099) is less than itself. Its deficiency is 112229330922

Bases of 18215087604021

• Binary: 100001001000100000111110100111000000100110101₂
• Hexadecimal: 0x109107D38135
• Base-36: 6GFW8UYB9

Squares and roots of 18215087604021

• 18215087604021 squared (18215087604021²) is 331789416422159494495368441
• 18215087604021 cubed (18215087604021³) is 6043573286216639016838357274456308101261
• The square root of 18215087604021 is 4267913.7296835089
• The cube root of 18215087604021 is 26311.3877463083

Scales and comparisons

• 18,215,087,604,021 seconds is equal to 579,183 years, 23 weeks, 4 hours, 40 minutes, 21 seconds.
• To count from 1 to 18,215,087,604,021 would take you about one million, four hundred forty-seven thousand, nine hundred fifty-eight 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 18215087604021 cubic inches would be around 2192.6 feet tall.

Recreational maths with 18215087604021

• 18215087604021 backwards is 12040678051281
• The number of decimal digits it has is: 14
• The sum of 18215087604021's digits is 45
• More coming soon!