81551350 (number)

81551350 is an even 8-digits composite number following 81551349 and preceding 81551351. In scientific notation, it is written as 8.1551350 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 32620520 positive integers (up to 81551350) that are relatively prime to 81551350.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1551350 × 10^7
Engineering notation 8.1551350 × 10^6

Prime Factorization of 81551350

Prime Factorization 2 × 25 × 1631027

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81551350
Product of the distinct prime numbers

The prime factorization of 81551350 is 2 × 25 × 1631027. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81551350)

Multiplication

n×y
n×2 163102700
n×3 244654050
n×4 326205400
n×5 407756750

Division

n÷y
n÷2 40775675
n÷3 27183783.333333
n÷3 20387837.5
n÷5 16310270

Exponentiation

ny
n2 6650622686822500
n3 5.42367258451E+23
n4 4.4230782122478E+31
n5 3.607079993644E+39

Nth Root

y√n
2√n 9030.578608262
3√n 433.65436106133
4√n 95.029356560286
5√n 38.219608224801

Divisors of 81551350

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81551349
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81551350 can be divided by 8 positive divisors. The sum of these divisors (counting 81551350) is 1, the average is 0.125.

Base conversion 81551350

Base System Value
2 Binary 100110111000101111111110110
3 Ternary 12200110020102101
4 Quaternary 10313011333312
5 Quinary 131334120400
6 Senary 12031532314
8 Octal 467057766
10 Decimal 81551350
12 Duodecimal 2338a09a
16 Hexadecimal 4dc5ff6
20 Vigesimal 159di7a
36 Base36 1cjxfa

Cryptographic Hash Functions

md5 4699937598ddb7491d0751eeb2472944
sha1 8c5c53a25fc2237c72e4cee87ae5cd3902e7635c
sha256 55d63dd1194207268f6936ed7d98f0f66e16e8805aa6dbdf9fd0617f69f459a4
sha512 1a30cf356eee9f48e3cdf8cf33c910a563d542d5e7886d29069f3d189178f0d3622c842486e4ac2b586a10afca63a34841c926f517256af5fc19dc73219a43c8
ripemd-160 f1c5a4f68341c98169d41359799079f6ca64f88c

81551350 as geometric shapes

Circle

Radius = n
Diameter 163102700
Circumference 512402244.10066
Area 2.0893547374719E+16

Sphere

Radius = n
Volume 2.2718626595964E+24
Surface area 8.3574189498877E+16
Circumference 512402244.10066

Square

Length = n
Perimeter 326205400
Area 6650622686822500
Diagonal 115331025.19984

Cube

Length = n
Surface area 39903736120935000
Volume 5.42367258451E+23
Space diagonal 141251081.62583

Equilateral Triangle

Length = n
Perimeter 244654050
Area 2.8798040988867E+15
Altitude 70625540.812916

Triangular Pyramid

Length = n
Surface area 2.8798040988867E+15
Volume 6.391859439071E+22
Height 38443675.066612