81422015 (number)

81422015 is an odd 8-digits composite number following 81422014 and preceding 81422016. In scientific notation, it is written as 8.1422015 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 62747136 positive integers (up to 81422015) that are relatively prime to 81422015.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred twenty-two thousand fifteen

Notation

Scientific notation 8.1422015 × 10^7
Engineering notation 8.1422015 × 10^6

Prime Factorization of 81422015

Prime Factorization 5 × 103 × 37 × 4273

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81422015
Product of the distinct prime numbers

The prime factorization of 81422015 is 5 × 103 × 37 × 4273. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 1, 30, 827, 260, 1240, 6523, 88529, 95304, 318331, 893, 2195113, 4747666, 71496656, 60576706, 850991434, 72594841, 8291860484, 980712189

Basic calculations (n = 81422015)

Multiplication

n×y
n×2 162844030
n×3 244266045
n×4 325688060
n×5 407110075

Division

n÷y
n÷2 40711007.5
n÷3 27140671.666667
n÷3 20355503.75
n÷5 16284403

Exponentiation

ny
n2 6629544526660225
n3 5.397908738929E+23
n4 4.3950860630971E+31
n5 3.5785676335578E+39

Nth Root

y√n
2√n 9023.4148192356
3√n 433.42499080216
4√n 94.991656576962
5√n 38.207477777399

Divisors of 81422015

1, 5, 37, 103, 185, 515, 3811, 4273, 19055, 21365, 158101, 440119, 790505, 2200595, 16284403, 81422015

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 -81422014
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 81422015 can be divided by 16 positive divisors. The sum of these divisors (counting 81422015) is 1, the average is 0.0625.

Base conversion 81422015

Base System Value
2 Binary 100110110100110011010111111
3 Ternary 12200012200000012
4 Quaternary 10312212122333
5 Quinary 131321001030
6 Senary 12025053435
8 Octal 466463277
10 Decimal 81422015
12 Duodecimal 2332727b
16 Hexadecimal 4da66bf
20 Vigesimal 158hf0f
36 Base36 1ch5mn

Cryptographic Hash Functions

md5 4b3f2ca6cc0de6cbad198b9277ce389a
sha1 be0dc1c2351febd4104c797f76a4cab3c40743ae
sha256 5452d61f1a4950ebf7afd19048790917c54d63040d7455769c478cbdc0155129
sha512 cc2805bf2197f8f889d5e818f6841d7d69a62f07d1cba66280a4cf469f44178e56db6ed2017900b9b0cf1d7032350cb7188a7cc3807f779ef22b7004f9dae8e9
ripemd-160 e2101c12d4c4ee55d4c392ac1322d4bde1d8a387

81422015 as geometric shapes

Circle

Radius = n
Diameter 162844030
Circumference 511589608.32896
Area 2.0827328381602E+16

Sphere

Radius = n
Volume 2.2610707251957E+24
Surface area 8.3309313526409E+16
Circumference 511589608.32896

Square

Length = n
Perimeter 325688060
Area 6629544526660225
Diagonal 115148117.88875

Cube

Length = n
Surface area 39777267159961350
Volume 5.397908738929E+23
Space diagonal 141027066.83464

Equilateral Triangle

Length = n
Perimeter 244266045
Area 2.8706769878039E+15
Altitude 70513533.417318

Triangular Pyramid

Length = n
Surface area 2.8706769878039E+15
Volume 6.3614964558713E+22
Height 38382705.962915