81422016 (number)

81422016 is an even 8-digits composite number following 81422015 and preceding 81422017. In scientific notation, it is written as 8.1422016 × 10^7. The sum of its digits is 24. It has a total of 9 prime factors and 56 positive divisors. There are 25052160 positive integers (up to 81422016) that are relatively prime to 81422016.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1422016 × 10^7
Engineering notation 8.1422016 × 10^6

Prime Factorization of 81422016

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 13 × 32621

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 2544438
Product of the distinct prime numbers

The prime factorization of 81422016 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 13 × 32621. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81422016)

Multiplication

n×y
n×2 162844032
n×3 244266048
n×4 325688064
n×5 407110080

Division

n÷y
n÷2 40711008
n÷3 27140672
n÷3 20355504
n÷5 16284403.2

Exponentiation

ny
n2 6629544689504256
n3 5.3979089378153E+23
n4 4.3950862790134E+31
n5 3.5785678533121E+39

Nth Root

y√n
2√n 9023.414874647
3√n 433.42499257656
4√n 94.991656868627
5√n 38.207477871249

Divisors of 81422016

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81422015
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81422016 can be divided by 56 positive divisors. The sum of these divisors (counting 81422016) is 1, the average is 0.017857142857143.

Base conversion 81422016

Base System Value
2 Binary 100110110100110011011000000
3 Ternary 12200012200000020
4 Quaternary 10312212123000
5 Quinary 131321001031
6 Senary 12025053440
8 Octal 466463300
10 Decimal 81422016
12 Duodecimal 23327280
16 Hexadecimal 4da66c0
20 Vigesimal 158hf0g
36 Base36 1ch5mo

Cryptographic Hash Functions

md5 fcdf545e71db0c3b02c2fed6080c2d52
sha1 b3cf99dc2fc7305adc85b6b0c2ac7d89d8880e9d
sha256 b2c456c649d698eae7939ac323b5baf7ddace055b3552e31450b5e5a8ae48801
sha512 1f6164ca1cf0edae75533dfd100ab2cb93f362fdea5fd2095bd5ba58732ec74b269e5a26b6d9334fb20fab2714f35365cd1f5272ae682acd51edeaa833c3aaa0
ripemd-160 e8e12ee58ab8ac1128a1dc94c7a5ef37b82e4755

81422016 as geometric shapes

Circle

Radius = n
Diameter 162844032
Circumference 511589614.61214
Area 2.0827328893192E+16

Sphere

Radius = n
Volume 2.261070808505E+24
Surface area 8.3309315572767E+16
Circumference 511589614.61214

Square

Length = n
Perimeter 325688064
Area 6629544689504256
Diagonal 115148119.30296

Cube

Length = n
Surface area 39777268137025536
Volume 5.3979089378153E+23
Space diagonal 141027068.56669

Equilateral Triangle

Length = n
Perimeter 244266048
Area 2.8706770583175E+15
Altitude 70513534.283343

Triangular Pyramid

Length = n
Surface area 2.8706770583175E+15
Volume 6.3614966902611E+22
Height 38382706.43432