18028739947452

Names of 18028739947452

• Cardinal: 18028739947452 can be written as Eighteen trillion, twenty-eight billion, seven hundred thirty-nine million, nine hundred forty-seven thousand, four hundred fifty-two.

Scientific notation

• Scientific notation: 1.8028739947452 × 10¹³

Factors of 18028739947452

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2087

Divisors of 18028739947452

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 12 13 17 26 34 39 41 51 52 68 78 82 102 123 156 164 204 221 246 442 492 533 663 697 884 1066 1326 1394 1599 1681 2011 2091 2132 2652 2788 3198 3362 4022 4182 5043 6033 6396 6724 8044 8364 9061 10086 12066 18122 20172 21853 24132 26143 27183 28577 34187 36244 43706 52286 54366 57154 65559 68374 78429 82451 85731 87412 102561 104572 108732 114308 131118 136748 156858 164902 171462 205122 247353 262236 313716 329804 342924 371501 410244 444431 494706 743002 888862 989412 1071863 1114503 1333293 1401667 1486004 1777724 2143726 2229006 2666586 2803334 3215589 3380491 4044121 4205001 4287452 4458012 5333172 5606668 6431178 6760982 8088242 8410002 10141473 12132363 12862356 13521964 16176484 16820004 18221671 20282946 24264726 36443342 40565892 43946383 48529452 52573573 54665013 57468347 68750057 72886684 87892766 105147146 109330026 114936694 131839149 137500114 157720719 165808961 172405041 175785532 206250171 210294292 218660052 229873388 263678298 275000228 315441438 331617922 344810082 412500342 497426883 527356596 630882876 663235844 689620164 747088511 825000684 893750741 994853766 1494177022 1787501482 1989707532 2155516493 2241265533 2681252223 2818752337 2988354044 3575002964 4311032986 4482531066 5362504446 5637504674 6466549479 6798167401 8456257011 8622065972 8965062132 10725008892 11275009348 12933098958 13596334802 16912514022 20394502203 25866197916 27192669604 33825028044 36643780381 40789004406 73287560762 81578008812 88376176213 109931341143 115568845817 146575121524 176752352426 219862682286 231137691634 265128528639 346706537451 353504704852 439725364572 462275383268 530257057278 693413074902 1060514114556 1386826149804 1502394995621 3004789991242 4507184986863 6009579982484 9014369973726 18028739947452
• Sum of all divisors σ(n): 49190813393904
• Sum of proper divisors (its aliquot sum) s(n): 31162073446452
• 18028739947452 is an abundant number, because the sum of its proper divisors (31162073446452) is greater than itself. Its abundance is 13133333499000

Bases of 18028739947452

• Binary: 100000110010110100100101000111110101110111100₂
• Hexadecimal: 0x1065A4A3EBBC
• Base-36: 6E2AE9Y9O

Squares and roots of 18028739947452

• 18028739947452 squared (18028739947452²) is 325035464092851543721292304
• 18028739947452 cubed (18028739947452³) is 5859979855829392773198648493350492009408
• The square root of 18028739947452 is 4246026.3714974735
• The cube root of 18028739947452 is 26221.3546677533

Scales and comparisons

• 18,028,739,947,452 seconds is equal to 573,258 years, 8 weeks, 3 days, 14 hours, 44 minutes, 12 seconds.
• To count from 1 to 18,028,739,947,452 would take you about one million, four hundred thirty-three thousand, one hundred forty-five 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 18028739947452 cubic inches would be around 2185.1 feet tall.

Recreational maths with 18028739947452

• 18028739947452 backwards is 25474993782081
• The number of decimal digits it has is: 14
• The sum of 18028739947452's digits is 69
• More coming soon!