81551152 (number)

81551152 is an even 8-digits composite number following 81551151 and preceding 81551153. In scientific notation, it is written as 8.1551152 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors. There are 40283648 positive integers (up to 81551152) that are relatively prime to 81551152.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1551152 × 10^7
Engineering notation 8.1551152 × 10^6

Prime Factorization of 81551152

Prime Factorization 2 × 2 × 2 × 2 × 83 × 61409

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10193894
Product of the distinct prime numbers

The prime factorization of 81551152 is 2 × 2 × 2 × 2 × 83 × 61409. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81551152)

Multiplication

n×y
n×2 163102304
n×3 244653456
n×4 326204608
n×5 407755760

Division

n÷y
n÷2 40775576
n÷3 27183717.333333
n÷3 20387788
n÷5 16310230.4

Exponentiation

ny
n2 6650590392527104
n3 5.4236330799072E+23
n4 4.4230352569174E+31
n5 3.6070362053823E+39

Nth Root

y√n
2√n 9030.5676455027
3√n 433.65401010195
4√n 95.02929887936
5√n 38.219589665967

Divisors of 81551152

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81551151
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81551152 can be divided by 20 positive divisors. The sum of these divisors (counting 81551152) is 1, the average is 0.05.

Base conversion 81551152

Base System Value
2 Binary 100110111000101111100110000
3 Ternary 12200110020011001
4 Quaternary 10313011330300
5 Quinary 131334114102
6 Senary 12031531344
8 Octal 467057460
10 Decimal 81551152
12 Duodecimal 23389b54
16 Hexadecimal 4dc5f30
20 Vigesimal 159dhhc
36 Base36 1cjx9s

Cryptographic Hash Functions

md5 fa6a8d57617a1fbedfa7479fb514487f
sha1 a1465c8c27b175d7044051d95bdd497119bb8967
sha256 6b21800b1de589671ae3be61dbc622eb87fd8d1316466b396d69404d2b3f73f7
sha512 e4de907bd04a427f3bb4f26c1f7da2e98c73fb6242344d8cd42c0164328f14e14e0711ead0c8eb757e02b8e711bddd6a6b0a85bf887d697d6e5344e56410cb64
ripemd-160 1bb062b0b62dca9263c56678752c079463c603ab

81551152 as geometric shapes

Circle

Radius = n
Diameter 163102304
Circumference 512401000.02997
Area 2.0893445919198E+16

Sphere

Radius = n
Volume 2.2718461119471E+24
Surface area 8.3573783676792E+16
Circumference 512401000.02997

Square

Length = n
Perimeter 326204608
Area 6650590392527104
Diagonal 115330745.18555

Cube

Length = n
Surface area 39903542355162624
Volume 5.4236330799072E+23
Space diagonal 141250738.67977

Equilateral Triangle

Length = n
Perimeter 244653456
Area 2.8797901150466E+15
Altitude 70625369.339886

Triangular Pyramid

Length = n
Surface area 2.8797901150466E+15
Volume 6.3918128824501E+22
Height 38443581.728517