81372078 (number)

81372078 is an even 8-digits composite number following 81372077 and preceding 81372079. In scientific notation, it is written as 8.1372078 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 26752032 positive integers (up to 81372078) that are relatively prime to 81372078.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred seventy-two thousand seventy-eight

Notation

Scientific notation 8.1372078 × 10^7
Engineering notation 8.1372078 × 10^6

Prime Factorization of 81372078

Prime Factorization 2 × 9 × 73 × 61927

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81372078
Product of the distinct prime numbers

The prime factorization of 81372078 is 2 × 9 × 73 × 61927. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 73, 33, 814, 203, 6987, 254, 90671, 88625, 815221, 32774, 8842666, 6797042, 59683369, 71309649, 469045362, 28794373, 4214985553, 4505032198

Basic calculations (n = 81372078)

Multiplication

n×y
n×2 162744156
n×3 244116234
n×4 325488312
n×5 406860390

Division

n÷y
n÷2 40686039
n÷3 27124026
n÷3 20343019.5
n÷5 16274415.6

Exponentiation

ny
n2 6621415078038084
n3 5.3879830420049E+23
n4 4.384313763567E+31
n5 3.5676072154545E+39

Nth Root

y√n
2√n 9020.647316019
3√n 433.33636460733
4√n 94.977088374086
5√n 38.202790015592

Divisors of 81372078

1, 2, 9, 18, 73, 146, 657, 1314, 61927, 123854, 557343, 1114686, 4520671, 9041342, 40686039, 81372078

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81372077
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81372078 can be divided by 16 positive divisors. The sum of these divisors (counting 81372078) is 1, the average is 0.0625.

Base conversion 81372078

Base System Value
2 Binary 100110110011010001110101110
3 Ternary 12200010010111200
4 Quaternary 10312122032232
5 Quinary 131312401303
6 Senary 12024030330
8 Octal 466321656
10 Decimal 81372078
12 Duodecimal 233023a6
16 Hexadecimal 4d9a3ae
20 Vigesimal 158ba3i
36 Base36 1cg33i

Cryptographic Hash Functions

md5 c5a808a12cca08f5f69ec97f3dcfc7d2
sha1 4cb3113b25ee4d51800e4936b09e35e750df1f8c
sha256 26d2a5b9b73312ebf5e861694d1ec1990638036b67c5cf3d840e285a15c6bcdd
sha512 2c4eda359f1e374bd6cd3c2cbfdf85cc7a424fb50b8a36b2c33489ad671323f1f29e4f4817568df50713ac6594c7917099bedde1304860a2708c0bcc300ead72
ripemd-160 4f8008d8ee8fb767ccb7b5849ddc3530d3af2bee

81372078 as geometric shapes

Circle

Radius = n
Diameter 162744156
Circumference 511275844.90427
Area 2.0801788965533E+16

Sphere

Radius = n
Volume 2.2569130589905E+24
Surface area 8.3207155862133E+16
Circumference 511275844.90427

Square

Length = n
Perimeter 325488312
Area 6621415078038084
Diagonal 115077496.30608

Cube

Length = n
Surface area 39728490468228504
Volume 5.3879830420049E+23
Space diagonal 140940573.41346

Equilateral Triangle

Length = n
Perimeter 244116234
Area 2.8671568332912E+15
Altitude 70470286.706729

Triangular Pyramid

Length = n
Surface area 2.8671568332912E+15
Volume 6.3497989098663E+22
Height 38359165.43536