18066165518852440

Names of 18066165518852440

• Cardinal: 18066165518852440 can be written as Eighteen quadrillion, sixty-six trillion, one hundred sixty-five billion, five hundred eighteen million, eight hundred fifty-two thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.806616551885244 × 10¹⁶

Factors of 18066165518852440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 27999121

Divisors of 18066165518852440

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 11 20 22 40 44 55 61 88 110 122 220 244 305 440 488 610 671 1220 1342 2440 2684 3355 5368 6710 13420 24061 26840 48122 96244 120305 192488 240610 264671 481220 529342 962440 1058684 1323355 1467721 2117368 2646710 2935442 5293420 5870884 7338605 10586840 11741768 14677210 16144931 27974981 29354420 32289862 55949962 58708840 64579724 80724655 111899924 129159448 139874905 161449310 223799848 279749810 307724791 322898620 559499620 615449582 645797240 1118999240 1230899164 1538623955 1706473841 2461798328 3077247910 3412947682 6154495820 6825895364 8532369205 12308991640 13651790728 17064738410 18771212251 34129476820 37542424502 68258953640 75084849004 93856061255 150169698008 187712122510 375424245020 673106017841 750848490040 1346212035682 2692424071364 3365530089205 5384848142728 6731060178410 7404166196251 13462120356820 14808332392502 26924240713640 29616664785004 37020830981255 41059467088301 59233329570008 74041661962510 82118934176602 148083323925020 164237868353204 205297335441505 296166647850040 328475736706408 410594670883010 451654137971311 821189341766020 903308275942622 1642378683532040 1806616551885244 2258270689856555 3613233103770488 4516541379713110 9033082759426220 18066165518852440
• Sum of all divisors σ(n): 45073053770552640
• Sum of proper divisors (its aliquot sum) s(n): 27006888251700200
• 18066165518852440 is an abundant number, because the sum of its proper divisors (27006888251700200) is greater than itself. Its abundance is 8940722732847760

Bases of 18066165518852440

• Binary: 1000000001011110001010011110010001101000110000101011000₂
• Hexadecimal: 0x402F14F2346158
• Base-36: 4XVX5V3CQQG

Squares and roots of 18066165518852440

• 18066165518852440 squared (18066165518852440²) is 326386336554572852593054493953600
• 18066165518852440 cubed (18066165518852440³) is 5896549579286791763468118067423891184790606784000
• The square root of 18066165518852440 is 134410436.7928786995
• The cube root of 18066165518852440 is 262394.8629001451

Scales and comparisons

• 18,066,165,518,852,440 seconds is equal to 574,448,181 years, 9 weeks, 2 days, 16 hours, 20 minutes, 40 seconds.
• To count from 1 to 18,066,165,518,852,440 would take you about one billion, seven hundred twenty-three million, three hundred forty-four thousand, five hundred forty-three 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 18066165518852440 cubic inches would be around 21866.2 feet tall.

Recreational maths with 18066165518852440

• 18066165518852440 backwards is 04425881556166081
• The number of decimal digits it has is: 17
• The sum of 18066165518852440's digits is 70
• More coming soon!