18345443193

Names of 18345443193

• Cardinal: 18345443193 can be written as Eighteen billion, three hundred forty-five million, four hundred forty-three thousand, one hundred ninety-three.

Scientific notation

• Scientific notation: 1.8345443193 × 10¹⁰

Factors of 18345443193

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 131

Divisors of 18345443193

• Number of divisors d(n): 224
• Complete list of divisors:
  1 3 7 9 11 21 27 33 37 63 73 77 81 99 111 121 189 219 231 243 259 297 333 363 407 511 567 657 693 729 777 803 847 891 999 1089 1221 1331 1533 1701 1971 2079 2331 2409 2541 2673 2701 2849 2997 3267 3663 3993 4477 4599 5103 5621 5913 6237 6993 7227 7623 8019 8103 8547 8833 8991 9317 9801 10989 11979 13431 13797 16863 17739 18711 18907 20979 21681 22869 24309 25641 26499 26973 27951 29403 29711 31339 32967 35937 40293 41391 49247 50589 53217 56133 56721 61831 62937 65043 68607 72927 76923 79497 83853 88209 89133 94017 97163 98901 107811 120879 124173 147741 151767 170163 185493 188811 195129 205821 207977 218781 230769 238491 251559 267399 282051 291489 296703 323433 326821 344729 362637 372519 443223 455301 510489 556479 585387 617463 623931 656343 680141 692307 715473 754677 802197 846153 874467 970299 980463 1034187 1087911 1329669 1365903 1531467 1669437 1871793 1969029 2040423 2076921 2146419 2264031 2287747 2406591 2538459 2623401 2941389 3102561 3263733 3595031 3989007 4097709 4594401 5008311 5615379 6121269 6439257 6792093 6863241 7219773 7615377 7870203 8824167 9307683 10785093 11967021 13783203 15024933 16846137 18363807 20589723 21659319 22846131 23610609 25165217 26472501 27923049 32355279 35901063 45074799 50538411 55091421 61769169 70831827 75495651 79417503 83769147 97065837 151615233 165274263 185307507 226486953 238252509 251307441 291197511 495822789 555922521 679460859 873592533 1667767563 2038382577 2620777599 6115147731 18345443193
• Sum of all divisors σ(n): 35997019392
• Sum of proper divisors (its aliquot sum) s(n): 17651576199
• 18345443193 is a deficient number, because the sum of its proper divisors (17651576199) is less than itself. Its deficiency is 693866994

Bases of 18345443193

• Binary: 10001000101011110010011111101111001₂
• Hexadecimal: 0x445793F79
• Base-36: 8FEEIK9

Squares and roots of 18345443193

• 18345443193 squared (18345443193²) is 336555285947590035249
• 18345443193 cubed (18345443193³) is 6174255879655384166913397110057
• The square root of 18345443193 is 135445.3513155767
• The cube root of 18345443193 is 2637.4004097913

Scales and comparisons

• 18,345,443,193 seconds is equal to 583 years, 17 weeks, 12 hours, 26 minutes, 33 seconds.
• To count from 1 to 18,345,443,193 would take you about one thousand, one hundred sixty-six 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 18345443193 cubic inches would be around 219.8 feet tall.

Recreational maths with 18345443193

• 18345443193 backwards is 39134454381
• The number of decimal digits it has is: 11
• The sum of 18345443193's digits is 45
• More coming soon!