81553600 (number)

81553600 is an even 8-digits composite number following 81553599 and preceding 81553601. In scientific notation, it is written as 8.1553600 × 10^7. The sum of its digits is 28. It has a total of 9 prime factors and 42 positive divisors. There are 32620800 positive integers (up to 81553600) that are relatively prime to 81553600.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred fifty-three thousand six hundred

Notation

Scientific notation 8.1553600 × 10^7
Engineering notation 8.1553600 × 10^6

Prime Factorization of 81553600

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 50971

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 509710
Product of the distinct prime numbers

The prime factorization of 81553600 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 50971. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81553600)

Multiplication

n×y
n×2 163107200
n×3 244660800
n×4 326214400
n×5 407768000

Division

n÷y
n÷2 40776800
n÷3 27184533.333333
n÷3 20388400
n÷5 16310720

Exponentiation

ny
n2 6650989672960000
n3 5.4241215139271E+23
n4 4.4235663629821E+31
n5 3.6075776174009E+39

Nth Root

y√n
2√n 9030.703184138
3√n 433.65834919616
4√n 95.030012017983
5√n 38.219819118108

Divisors of 81553600

42 divisors

τ Total Divisors 42
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81553599
Sum of the proper positive divisors of n
A Arithmetic Mean 0.023809523809524
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 42
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81553600 can be divided by 42 positive divisors. The sum of these divisors (counting 81553600) is 1, the average is 0.023809523809524.

Base conversion 81553600

Base System Value
2 Binary 100110111000110100011000000
3 Ternary 12200110100111201
4 Quaternary 10313012203000
5 Quinary 131334203400
6 Senary 12031550544
8 Octal 467064300
10 Decimal 81553600
12 Duodecimal 2338b454
16 Hexadecimal 4dc68c0
20 Vigesimal 159e400
36 Base36 1cjz5s

Cryptographic Hash Functions

md5 987467650ebf142e08096f7d88b920c8
sha1 8593622b1f932dea74c32c089878a59d2bff626f
sha256 ba81508f304cd55529d13d01151d8193608acb623cf5383af01ad6dcaf097002
sha512 160b6aae87f82690e0dbc03eb5bbcfb2a798b07a7173646f5d48edbbf8a04a18a26495f04a3bbeab91e36d4585833658076cb9926479034ee146014134843e2f
ripemd-160 5712e86d7ad23aba98eda1a150400f41c4424674

81553600 as geometric shapes

Circle

Radius = n
Diameter 163107200
Circumference 512416381.2676
Area 2.0894700295673E+16

Sphere

Radius = n
Volume 2.2720507067109E+24
Surface area 8.3578801182691E+16
Circumference 512416381.2676

Square

Length = n
Perimeter 326214400
Area 6650989672960000
Diagonal 115334207.18035

Cube

Length = n
Surface area 39905938037760000
Volume 5.4241215139271E+23
Space diagonal 141254978.74015

Equilateral Triangle

Length = n
Perimeter 244660800
Area 2.8799630085457E+15
Altitude 70627489.370075

Triangular Pyramid

Length = n
Surface area 2.8799630085457E+15
Volume 6.3923885074628E+22
Height 38444735.726783