18090655744

Names of 18090655744

• Cardinal: 18090655744 can be written as Eighteen billion, ninety million, six hundred fifty-five thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 1.8090655744 × 10¹⁰

Factors of 18090655744

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 621

Divisors of 18090655744

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 32 38 49 56 64 76 98 112 128 133 152 196 224 256 266 304 392 448 512 532 593 608 784 896 931 1024 1064 1186 1216 1568 1792 1862 2048 2128 2372 2432 3136 3584 3724 4096 4151 4256 4744 4864 6272 7168 7448 8192 8302 8512 9488 9728 11267 12544 14336 14896 16384 16604 17024 18976 19456 22534 25088 28672 29057 29792 32768 33208 34048 37952 38912 45068 50176 57344 58114 59584 66416 68096 75904 77824 78869 90136 100352 114688 116228 119168 132832 136192 151808 155648 157738 180272 200704 229376 232456 238336 265664 272384 303616 311296 315476 360544 401408 464912 476672 531328 544768 552083 607232 622592 630952 721088 802816 929824 953344 1062656 1089536 1104166 1214464 1261904 1442176 1605632 1859648 1906688 2125312 2179072 2208332 2428928 2523808 2884352 3719296 3813376 4250624 4358144 4416664 4857856 5047616 5768704 7438592 7626752 8501248 8833328 9715712 10095232 11537408 14877184 15253504 17002496 17666656 19431424 20190464 23074816 29754368 30507008 34004992 35333312 40380928 46149632 59508736 68009984 70666624 80761856 92299264 119017472 136019968 141333248 161523712 184598528 238034944 282666496 323047424 369197056 476069888 565332992 646094848 952139776 1130665984 1292189696 2261331968 2584379392 4522663936 9045327872 18090655744
• Sum of all divisors σ(n): 44377680600
• Sum of proper divisors (its aliquot sum) s(n): 26287024856
• 18090655744 is an abundant number, because the sum of its proper divisors (26287024856) is greater than itself. Its abundance is 8196369112

Bases of 18090655744

• Binary: 10000110110010010011000000000000000₂
• Hexadecimal: 0x436498000
• Base-36: 8B6PJB4

Squares and roots of 18090655744

• 18090655744 squared (18090655744²) is 327271825247920193536
• 18090655744 cubed (18090655744³) is 5920561925270651673245630070784
• The square root of 18090655744 is 134501.5083335499
• The cube root of 18090655744 is 2625.1337555549

Scales and comparisons

• 18,090,655,744 seconds is equal to 575 years, 11 weeks, 5 days, 14 hours, 9 minutes, 4 seconds.
• To count from 1 to 18,090,655,744 would take you about one thousand, one hundred fifty 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 18090655744 cubic inches would be around 218.8 feet tall.

Recreational maths with 18090655744

• 18090655744 backwards is 44755609081
• 18090655744 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18090655744's digits is 49
• More coming soon!