81668052 (number)

81668052 is an even 8-digits composite number following 81668051 and preceding 81668053. In scientific notation, it is written as 8.1668052 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 27222672 positive integers (up to 81668052) that are relatively prime to 81668052.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred sixty-eight thousand fifty-two

Notation

Scientific notation 8.1668052 × 10^7
Engineering notation 8.1668052 × 10^6

Prime Factorization of 81668052

Prime Factorization 2 × 2 × 9 × 2268557

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40834026
Product of the distinct prime numbers

The prime factorization of 81668052 is 2 × 2 × 9 × 2268557. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81668052)

Multiplication

n×y
n×2 163336104
n×3 245004156
n×4 326672208
n×5 408340260

Division

n÷y
n÷2 40834026
n÷3 27222684
n÷3 20417013
n÷5 16333610.4

Exponentiation

ny
n2 6669670717474704
n3 5.446990149776E+23
n4 4.448450747954E+31
n5 3.6329630700334E+39

Nth Root

y√n
2√n 9037.0377890103
3√n 433.86111917478
4√n 95.063335671595
5√n 38.230540609823

Divisors of 81668052

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81668051
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81668052 can be divided by 12 positive divisors. The sum of these divisors (counting 81668052) is 1, the average is 0.083333333333333.

Base conversion 81668052

Base System Value
2 Binary 100110111100010011111010100
3 Ternary 12200200011111200
4 Quaternary 10313202133110
5 Quinary 131401334202
6 Senary 12034232500
8 Octal 467423724
10 Decimal 81668052
12 Duodecimal 23425730
16 Hexadecimal 4de27d4
20 Vigesimal 15a8a2c
36 Base36 1cmfh0

Cryptographic Hash Functions

md5 992ba212c287234e9d4ba474232133f1
sha1 672a94c72627f6fbf84e84ffdc4e736ed9b07f77
sha256 66932433c038427d7cf7110de20fca5efd00b8927df63e04101e954abd4c3e4a
sha512 b9ef840597b9798e172b90d9894960187faa65c3a6a25b7fa7dcb974721b7b0136e2291e4c7f49ebce3b11f6963a81e58b6b90aa8beb3aa572f2285de10646dd
ripemd-160 f14b1c5ee935073be367d9b67841d1f3d91e6155

81668052 as geometric shapes

Circle

Radius = n
Diameter 163336104
Circumference 513135504.39238
Area 2.0953388527881E+16

Sphere

Radius = n
Volume 2.281629898495E+24
Surface area 8.3813554111526E+16
Circumference 513135504.39238

Square

Length = n
Perimeter 326672208
Area 6669670717474704
Diagonal 115496066.75099

Cube

Length = n
Surface area 40018024304848224
Volume 5.446990149776E+23
Space diagonal 141453215.41918

Equilateral Triangle

Length = n
Perimeter 245004156
Area 2.8880521381051E+15
Altitude 70726607.709589

Triangular Pyramid

Length = n
Surface area 2.8880521381051E+15
Volume 6.4193394532716E+22
Height 38498688.916997