18474406773921

Names of 18474406773921

• Cardinal: 18474406773921 can be written as Eighteen trillion, four hundred seventy-four billion, four hundred six million, seven hundred seventy-three thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.8474406773921 × 10¹³

Factors of 18474406773921

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1868

Divisors of 18474406773921

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 21 23 27 63 69 97 161 167 189 207 291 483 501 621 679 873 1169 1449 1503 1571 2037 2231 2619 3507 3841 4347 4509 4713 6111 6693 10521 10997 11523 14139 15617 16199 18333 20079 26887 27889 31563 32991 34569 36133 42417 46851 48597 60237 80661 83667 98973 103707 108399 113393 140553 145791 152387 195223 241983 251001 252931 262357 296919 325197 340179 372577 421659 437373 457161 585669 641447 725949 753003 758793 787071 975591 1020537 1066709 1117731 1371483 1757007 1836499 1924341 2276379 2361213 2608039 2705233 3061611 3200127 3353193 3504901 4114449 4490129 5271021 5509497 5773023 6034211 6829137 7083639 7824117 8115699 9600381 10059579 10514703 13470387 16528491 17319069 18102633 18936631 23472351 24347097 24534307 25448629 28801143 31544109 40411161 42239477 43813619 49585473 54307899 56809893 62220359 70417053 73041291 73602921 76345887 94632327 121233483 126718431 131440857 162923697 170429679 178140403 186661077 220808763 229037661 306695333 380155293 394322571 435542513 511289037 534421209 559983231 585318467 662426289 687112983 920085999 1007713237 1140465879 1182967713 1306627539 1603263627 1679949693 1755955401 2760257997 3023139711 3919882617 4097229269 4249921043 4809790881 5267866203 7053992659 8280773991 9069419133 11759647851 12291687807 12749763129 15803598609 21161977977 27208257399 29749447301 36875063421 38249289387 63485933931 89248341903 97748183989 110625190263 114747868161 190457801793 267745025709 293244551967 684237287923 803235077127 879733655901 2052711863769 2639200967703 6158135591307 18474406773921
• Sum of all divisors σ(n): 33195641794560
• Sum of proper divisors (its aliquot sum) s(n): 14721235020639
• 18474406773921 is a deficient number, because the sum of its proper divisors (14721235020639) is less than itself. Its deficiency is 3753171753282

Bases of 18474406773921

• Binary: 100001100110101101000011101000000010010100001₂
• Hexadecimal: 0x10CD687404A1
• Base-36: 6JR0WSQE9

Squares and roots of 18474406773921

• 18474406773921 squared (18474406773921²) is 341303705648298130805714241
• 18474406773921 cubed (18474406773921³) is 6305383491593258056582409699505017108961
• The square root of 18474406773921 is 4298186.4517399661
• The cube root of 18474406773921 is 26435.6605887031

Scales and comparisons

• 18,474,406,773,921 seconds is equal to 587,428 years, 51 weeks, 3 days, 11 hours, 25 minutes, 21 seconds.
• To count from 1 to 18,474,406,773,921 would take you about one million, four hundred sixty-eight thousand, five hundred seventy-two 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 18474406773921 cubic inches would be around 2203 feet tall.

Recreational maths with 18474406773921

• 18474406773921 backwards is 12937760447481
• 18474406773921 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18474406773921's digits is 63
• More coming soon!