81551353 (number)

81551353 is an odd 8-digits composite number following 81551352 and preceding 81551354. In scientific notation, it is written as 8.1551353 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 71691840 positive integers (up to 81551353) that are relatively prime to 81551353.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1551353 × 10^7
Engineering notation 8.1551353 × 10^6

Prime Factorization of 81551353

Prime Factorization 13 × 23 × 311 × 877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81551353
Product of the distinct prime numbers

The prime factorization of 81551353 is 13 × 23 × 311 × 877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 70, 36, 398, 121, 7078, 9253, 8016, 7271, 7598, 18038, 3278638, 3116801, 59409663, 1299463, 133613330, 694733777, 168259024, 6892698911

Basic calculations (n = 81551353)

Multiplication

n×y
n×2 163102706
n×3 244654059
n×4 326205412
n×5 407756765

Division

n÷y
n÷2 40775676.5
n÷3 27183784.333333
n÷3 20387838.25
n÷5 16310270.6

Exponentiation

ny
n2 6650623176130609
n3 5.4236731830661E+23
n4 4.4230788630886E+31
n5 3.6070806571057E+39

Nth Root

y√n
2√n 9030.5787743644
3√n 433.65436637889
4√n 95.029357434239
5√n 38.219608505995

Divisors of 81551353

1, 13, 23, 299, 311, 877, 4043, 7153, 11401, 20171, 92989, 262223, 272747, 3545711, 6273181, 81551353

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 -81551352
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 81551353 can be divided by 16 positive divisors. The sum of these divisors (counting 81551353) is 1, the average is 0.0625.

Base conversion 81551353

Base System Value
2 Binary 100110111000101111111111001
3 Ternary 12200110020102111
4 Quaternary 10313011333321
5 Quinary 131334120403
6 Senary 12031532321
8 Octal 467057771
10 Decimal 81551353
12 Duodecimal 2338a0a1
16 Hexadecimal 4dc5ff9
20 Vigesimal 159di7d
36 Base36 1cjxfd

Cryptographic Hash Functions

md5 42f4c0395c7659242179e75722350a8f
sha1 ff161e772eed7f3628a493838945b44ea4328823
sha256 b7d6ecea2f72afa666fe398669702d9351258b0ff1d3ebe58cf2fc1be73bab2b
sha512 4f7130ce4b2fe08be93ec9719436d2cf9bf3c8f9a1d7438e85ae062b0ba39d2e0c89b923e4baab01727740bab27867ebdd4838ebbffc1790170ed26350a01f62
ripemd-160 4b85cd0e986ba3a8c89d272632351fbd9a252651

81551353 as geometric shapes

Circle

Radius = n
Diameter 163102706
Circumference 512402262.95022
Area 2.0893548911926E+16

Sphere

Radius = n
Volume 2.271862910319E+24
Surface area 8.3574195647704E+16
Circumference 512402262.95022

Square

Length = n
Perimeter 326205412
Area 6650623176130609
Diagonal 115331029.44248

Cube

Length = n
Surface area 39903739056783654
Volume 5.4236731830661E+23
Space diagonal 141251086.82198

Equilateral Triangle

Length = n
Perimeter 244654059
Area 2.8798043107633E+15
Altitude 70625543.410992

Triangular Pyramid

Length = n
Surface area 2.8798043107633E+15
Volume 6.3918601444761E+22
Height 38443676.480825