18168398848

Names of 18168398848

• Cardinal: 18168398848 can be written as Eighteen billion, one hundred sixty-eight million, three hundred ninety-eight thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 1.8168398848 × 10¹⁰

Factors of 18168398848

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 121

Divisors of 18168398848

• Number of divisors d(n): 198
• Complete list of divisors:
  1 2 4 8 16 17 29 32 34 58 64 68 73 116 128 136 146 232 256 272 289 292 464 493 512 544 578 584 841 928 986 1024 1088 1156 1168 1241 1682 1856 1972 2117 2176 2312 2336 2482 3364 3712 3944 4234 4352 4624 4672 4964 6728 7424 7888 8381 8468 8704 9248 9344 9928 13456 14297 14848 15776 16762 16936 17408 18496 18688 19856 21097 26912 28594 29696 31552 33524 33872 35989 36992 37376 39712 42194 53824 57188 61393 63104 67048 67744 71978 73984 74752 79424 84388 107648 114376 122786 126208 134096 135488 143956 147968 158848 168776 215296 228752 243049 245572 252416 268192 270976 287912 295936 317696 337552 430592 457504 486098 491144 504832 536384 541952 575824 611813 635392 675104 861184 915008 972196 982288 1043681 1072768 1083904 1151648 1223626 1270784 1350208 1830016 1944392 1964576 2087362 2145536 2167808 2303296 2447252 2700416 3660032 3888784 3929152 4174724 4291072 4606592 4894504 5400832 7320064 7777568 7858304 8349448 8582144 9213184 9789008 10801664 14640128 15555136 15716608 16698896 17742577 18426368 19578016 21603328 31110272 31433216 33397792 35485154 36852736 39156032 62220544 62866432 66795584 70970308 78312064 124441088 133591168 141940616 156624128 248882176 267182336 283881232 313248256 534364672 567762464 626496512 1068729344 1135524928 2271049856 4542099712 9084199424 18168398848
• Sum of all divisors σ(n): 40504762766
• Sum of proper divisors (its aliquot sum) s(n): 22336363918
• 18168398848 is an abundant number, because the sum of its proper divisors (22336363918) is greater than itself. Its abundance is 4167965070

Bases of 18168398848

• Binary: 10000111010111010111100010000000000₂
• Hexadecimal: 0x43AEBC400
• Base-36: 8CGZU9S

Squares and roots of 18168398848

• 18168398848 squared (18168398848²) is 330090716700007727104
• 18168398848 cubed (18168398848³) is 5997219797027914750707411976192
• The square root of 18168398848 is 134790.2030861293
• The cube root of 18168398848 is 2628.8888137421

Scales and comparisons

• 18,168,398,848 seconds is equal to 577 years, 36 weeks, 2 days, 9 hours, 27 minutes, 28 seconds.
• To count from 1 to 18,168,398,848 would take you about one thousand, one hundred fifty-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 18168398848 cubic inches would be around 219.1 feet tall.

Recreational maths with 18168398848

• 18168398848 backwards is 84889386181
• 18168398848 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18168398848's digits is 64
• More coming soon!