81352015 (number)

81352015 is an odd 8-digits composite number following 81352014 and preceding 81352016. In scientific notation, it is written as 8.1352015 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 61381152 positive integers (up to 81352015) that are relatively prime to 81352015.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred fifty-two thousand fifteen

Notation

Scientific notation 8.1352015 × 10^7
Engineering notation 8.1352015 × 10^6

Prime Factorization of 81352015

Prime Factorization 5 × 19 × 239 × 3583

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81352015
Product of the distinct prime numbers

The prime factorization of 81352015 is 5 × 19 × 239 × 3583. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 32, 86, 325, 382, 4461, 1559, 31046, 73562, 332398, 298428, 7488706, 111383, 57050218, 99185578, 84693617, 90289495, 61067635, 1419708

Basic calculations (n = 81352015)

Multiplication

n×y
n×2 162704030
n×3 244056045
n×4 325408060
n×5 406760075

Division

n÷y
n÷2 40676007.5
n÷3 27117338.333333
n÷3 20338003.75
n÷5 16270403

Exponentiation

ny
n2 6618150344560225
n3 5.3839986610292E+23
n4 4.3799913983203E+31
n5 3.5632112593602E+39

Nth Root

y√n
2√n 9019.5351875803
3√n 433.30074738529
4√n 94.971233474039
5√n 38.200905983139

Divisors of 81352015

1, 5, 19, 95, 239, 1195, 3583, 4541, 17915, 22705, 68077, 340385, 856337, 4281685, 16270403, 81352015

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 -81352014
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 81352015 can be divided by 16 positive divisors. The sum of these divisors (counting 81352015) is 1, the average is 0.0625.

Base conversion 81352015

Base System Value
2 Binary 100110110010101010101001111
3 Ternary 12200002002222121
4 Quaternary 10312111111033
5 Quinary 131311231030
6 Senary 12023353411
8 Octal 466252517
10 Decimal 81352015
12 Duodecimal 232b2867
16 Hexadecimal 4d9554f
20 Vigesimal 158900f
36 Base36 1cfnm7

Cryptographic Hash Functions

md5 b649b5caf96ff8d0b6288bde33a58aee
sha1 a01420b8968f32b525ec00da0f27b4eb5c96b22f
sha256 b7ec4a5afd3623d32946096a2d4888538b94a26ef6e1f5d59f5044959c47bd8e
sha512 4f68eedbe69b7ffd32816e64900453c42ed1b71e5ce338ee282efc09d073de1a283282d7bae6b2e4ba6f112ebbd206af2259a52153e19ebb28abc03648269781
ripemd-160 4603bd1367bef5d112573917653203fb43c85f9b

81352015 as geometric shapes

Circle

Radius = n
Diameter 162704030
Circumference 511149785.35745
Area 2.0791532502823E+16

Sphere

Radius = n
Volume 2.2552440853902E+24
Surface area 8.3166130011293E+16
Circumference 511149785.35745

Square

Length = n
Perimeter 325408060
Area 6618150344560225
Diagonal 115049122.93938

Cube

Length = n
Surface area 39708902067361350
Volume 5.3839986610292E+23
Space diagonal 140905823.27811

Equilateral Triangle

Length = n
Perimeter 244056045
Area 2.8657431622269E+15
Altitude 70452911.639053

Triangular Pyramid

Length = n
Surface area 2.8657431622269E+15
Volume 6.345103271855E+22
Height 38349707.64646