81551160 (number)

81551160 is an even 8-digits composite number following 81551159 and preceding 81551161. In scientific notation, it is written as 8.1551160 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors. There are 21746880 positive integers (up to 81551160) that are relatively prime to 81551160.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred fifty-one thousand one hundred sixty

Notation

Scientific notation 8.1551160 × 10^7
Engineering notation 8.1551160 × 10^6

Prime Factorization of 81551160

Prime Factorization 2 × 2 × 2 × 45 × 226531

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20387790
Product of the distinct prime numbers

The prime factorization of 81551160 is 2 × 2 × 2 × 45 × 226531. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81551160)

Multiplication

n×y
n×2 163102320
n×3 244653480
n×4 326204640
n×5 407755800

Division

n÷y
n÷2 40775580
n÷3 27183720
n÷3 20387790
n÷5 16310232

Exponentiation

ny
n2 6650591697345600
n3 5.423634676049E+23
n4 4.4230369924802E+31
n5 3.6070379745967E+39

Nth Root

y√n
2√n 9030.5680884427
3√n 433.65402428214
4√n 95.029301209904
5√n 38.21959041582

Divisors of 81551160

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 -81551159
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 81551160 can be divided by 16 positive divisors. The sum of these divisors (counting 81551160) is 1, the average is 0.0625.

Base conversion 81551160

Base System Value
2 Binary 100110111000101111100111000
3 Ternary 12200110020011100
4 Quaternary 10313011330320
5 Quinary 131334114120
6 Senary 12031531400
8 Octal 467057470
10 Decimal 81551160
12 Duodecimal 23389b60
16 Hexadecimal 4dc5f38
20 Vigesimal 159dhi0
36 Base36 1cjxa0

Cryptographic Hash Functions

md5 b840107a67cf5ad2ca89c15f659a5b33
sha1 170245d16bef44c13877fba9589c40d0a619dafb
sha256 d13908ef0e89b638797f1144f700193cdeda52a480d0d50c24dadaf73c0efdc9
sha512 cc5c78303311ecea6deac17367807789c87b9ef1da2da8b124e2b99e020a24550249bb555f22bcd9d1b0245cedcc18d42ecb3a9a8f0b7f0ffbd18e1241b057a7
ripemd-160 c42a454c313e4dc275d4b696cee2c5c497bcce05

81551160 as geometric shapes

Circle

Radius = n
Diameter 163102320
Circumference 512401050.29545
Area 2.0893450018406E+16

Sphere

Radius = n
Volume 2.2718467805374E+24
Surface area 8.3573800073625E+16
Circumference 512401050.29545

Square

Length = n
Perimeter 326204640
Area 6650591697345600
Diagonal 115330756.49926

Cube

Length = n
Surface area 39903550184073600
Volume 5.423634676049E+23
Space diagonal 141250752.53618

Equilateral Triangle

Length = n
Perimeter 244653480
Area 2.8797906800496E+15
Altitude 70625376.268089

Triangular Pyramid

Length = n
Surface area 2.8797906800496E+15
Volume 6.3918147635213E+22
Height 38443585.499753