81668097 (number)

81668097 is an odd 8-digits composite number following 81668096 and preceding 81668098. In scientific notation, it is written as 8.1668097 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 46667448 positive integers (up to 81668097) that are relatively prime to 81668097.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred sixty-eight thousand ninety-seven

Notation

Scientific notation 8.1668097 × 10^7
Engineering notation 8.1668097 × 10^6

Prime Factorization of 81668097

Prime Factorization 9 × 7 × 1296319

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81668097
Product of the distinct prime numbers

The prime factorization of 81668097 is 9 × 7 × 1296319. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81668097)

Multiplication

n×y
n×2 163336194
n×3 245004291
n×4 326672388
n×5 408340485

Division

n÷y
n÷2 40834048.5
n÷3 27222699
n÷3 20417024.25
n÷5 16333619.4

Exponentiation

ny
n2 6669678067601409
n3 5.4469991538364E+23
n4 4.4484605525443E+31
n5 3.6329730790586E+39

Nth Root

y√n
2√n 9037.0402787638
3√n 433.86119886219
4√n 95.063348766829
5√n 38.230544822912

Divisors of 81668097

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81668096
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81668097 can be divided by 8 positive divisors. The sum of these divisors (counting 81668097) is 1, the average is 0.125.

Base conversion 81668097

Base System Value
2 Binary 100110111100010100000000001
3 Ternary 12200200011120100
4 Quaternary 10313202200001
5 Quinary 131401334342
6 Senary 12034233013
8 Octal 467424001
10 Decimal 81668097
12 Duodecimal 23425769
16 Hexadecimal 4de2801
20 Vigesimal 15a8a4h
36 Base36 1cmfi9

Cryptographic Hash Functions

md5 7037c4c06d294138ef5811aa1497e3c8
sha1 2e01029dda8beab5054093c4c5afe1e5150e6205
sha256 f3154ed6e1a49ec0fc998595ede082fe1311474928bf0ffe61bca974c57b015c
sha512 ae2de93efef387a5fa2f6fe0fe9d18af035987e3584f62fef66a753063c0b09843da8da5d271dbc95b7e719f69df7c7855fa2869464247e58311acc44ad405aa
ripemd-160 0406c76ea865695f170c5980bdbc1eefc1114bc9

81668097 as geometric shapes

Circle

Radius = n
Diameter 163336194
Circumference 513135787.13572
Area 2.0953411618986E+16

Sphere

Radius = n
Volume 2.281633670107E+24
Surface area 8.3813646475942E+16
Circumference 513135787.13572

Square

Length = n
Perimeter 326672388
Area 6669678067601409
Diagonal 115496130.3906

Cube

Length = n
Surface area 40018068405608454
Volume 5.4469991538364E+23
Space diagonal 141453293.36146

Equilateral Triangle

Length = n
Perimeter 245004291
Area 2.8880553208034E+15
Altitude 70726646.680732

Triangular Pyramid

Length = n
Surface area 2.8880553208034E+15
Volume 6.4193500646586E+22
Height 38498710.1302