18418578112

Names of 18418578112

• Cardinal: 18418578112 can be written as Eighteen billion, four hundred eighteen million, five hundred seventy-eight thousand, one hundred twelve.

Scientific notation

• Scientific notation: 1.8418578112 × 10¹⁰

Factors of 18418578112

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 192

Divisors of 18418578112

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 8 11 16 19 22 23 32 38 44 46 64 76 88 92 137 152 176 184 209 253 274 304 352 361 368 418 437 506 529 548 608 704 722 736 836 874 1012 1058 1096 1216 1444 1472 1507 1672 1748 2024 2116 2192 2603 2888 3014 3151 3344 3496 3971 4048 4232 4384 4807 5206 5776 5819 6028 6302 6688 6992 7942 8096 8303 8464 8768 9614 10051 10412 11552 11638 12056 12604 13376 13984 15884 16192 16606 16928 19228 20102 20824 23104 23276 24112 25208 27968 28633 31768 33212 33856 34661 38456 40204 41648 46552 48224 49457 50416 57266 59869 63536 66424 69322 72473 76912 80408 83296 91333 93104 96448 98914 100832 110561 114532 119738 127072 132848 138644 144946 153824 160816 166592 182666 186208 190969 197828 201664 221122 229064 239476 254144 265696 277288 289892 307648 321632 365332 372416 381938 395656 442244 458128 478952 531392 544027 554576 579784 643264 658559 730664 763876 791312 797203 884488 916256 957904 1088054 1109152 1137511 1159568 1317118 1376987 1461328 1527752 1582624 1594406 1768976 1832512 1915808 2100659 2176108 2218304 2275022 2319136 2634236 2753974 2922656 3055504 3165248 3188812 3537952 3831616 4201318 4352216 4550044 4638272 5268472 5507948 5845312 6111008 6377624 7075904 8402636 8704432 9100088 10536944 11015896 12222016 12512621 12755248 15146857 16805272 17408864 18200176 21073888 22031792 25025242 25510496 26162753 30293714 33610544 34817728 36400352 42147776 44063584 50050484 51020992 52325506 60587428 67221088 72800704 88127168 100100968 104651012 121174856 134442176 200201936 209302024 242349712 287790283 400403872 418604048 484699424 575580566 800807744 837208096 969398848 1151161132 1674416192 2302322264 4604644528 9209289056 18418578112
• Sum of all divisors σ(n): 44311266216
• Sum of proper divisors (its aliquot sum) s(n): 25892688104
• 18418578112 is an abundant number, because the sum of its proper divisors (25892688104) is greater than itself. Its abundance is 7474109992

Bases of 18418578112

• Binary: 10001001001110101010011001011000000₂
• Hexadecimal: 0x449D532C0
• Base-36: 8GLY1TS

Squares and roots of 18418578112

• 18418578112 squared (18418578112²) is 339244019667845484544
• 18418578112 cubed (18418578112³) is 6248392475281076351820152700928
• The square root of 18418578112 is 135715.0622149215
• The cube root of 18418578112 is 2640.9004672391

Scales and comparisons

• 18,418,578,112 seconds is equal to 585 years, 33 weeks, 6 days, 23 hours, 41 minutes, 52 seconds.
• To count from 1 to 18,418,578,112 would take you about one thousand, one hundred seventy-one 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 18418578112 cubic inches would be around 220.1 feet tall.

Recreational maths with 18418578112

• 18418578112 backwards is 21187581481
• 18418578112 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18418578112's digits is 46
• More coming soon!