81554967 (number)

81554967 is an odd 8-digits composite number following 81554966 and preceding 81554968. In scientific notation, it is written as 8.1554967 × 10^7. The sum of its digits is 45. It has a total of 6 prime factors and 48 positive divisors. There are 46725120 positive integers (up to 81554967) that are relatively prime to 81554967.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred fifty-four thousand nine hundred sixty-seven

Notation

Scientific notation 8.1554967 × 10^7
Engineering notation 8.1554967 × 10^6

Prime Factorization of 81554967

Prime Factorization 3 × 3 × 17 × 13 × 313 × 131

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 27184989
Product of the distinct prime numbers

The prime factorization of 81554967 is 3 × 3 × 17 × 13 × 313 × 131. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81554967)

Multiplication

n×y
n×2 163109934
n×3 244664901
n×4 326219868
n×5 407774835

Division

n÷y
n÷2 40777483.5
n÷3 27184989
n÷3 20388741.75
n÷5 16310993.4

Exponentiation

ny
n2 6651212642371089
n3 5.4243942755856E+23
n4 4.4238629614037E+31
n5 3.607879978298E+39

Nth Root

y√n
2√n 9030.7788700643
3√n 433.66077217381
4√n 95.030410238325
5√n 38.219947245235

Divisors of 81554967

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81554966
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81554967 can be divided by 48 positive divisors. The sum of these divisors (counting 81554967) is 1, the average is 0.020833333333333.

Base conversion 81554967

Base System Value
2 Binary 100110111000110111000010111
3 Ternary 12200110102101100
4 Quaternary 10313012320113
5 Quinary 131334224332
6 Senary 12032001143
8 Octal 467067027
10 Decimal 81554967
12 Duodecimal 233901b3
16 Hexadecimal 4dc6e17
20 Vigesimal 159e787
36 Base36 1ck07r

Cryptographic Hash Functions

md5 cd2abe9d740667e66c1b5a6cd6604e04
sha1 312745a6e0fc694b2dba2e06089930f27390a686
sha256 545435f302ba648cf3b666e78b1cbf3305e532fe2c52d06c44b7a0885937601d
sha512 a6efc9e07921ef680d329bc4f6af84d9c2368020e8f3fe3f7dbf122c40e79f36780fbf5281eee1cc099f7bc73be2000433a6fc684db3d801c56e5ba9f22f208f
ripemd-160 d30c2e2fde01777d70b6bceb5a61c6cd93546797

81554967 as geometric shapes

Circle

Radius = n
Diameter 163109934
Circumference 512424970.38192
Area 2.0895400774737E+16

Sphere

Radius = n
Volume 2.2721649608472E+24
Surface area 8.3581603098946E+16
Circumference 512424970.38192

Square

Length = n
Perimeter 326219868
Area 6651212642371089
Diagonal 115336140.41029

Cube

Length = n
Surface area 39907275854226534
Volume 5.4243942755856E+23
Space diagonal 141257346.4536

Equilateral Triangle

Length = n
Perimeter 244664901
Area 2.8800595571328E+15
Altitude 70628673.226802

Triangular Pyramid

Length = n
Surface area 2.8800595571328E+15
Volume 6.3927099601601E+22
Height 38445380.136763