20051681 (number)

20051681 is an odd 8-digits composite number following 20051680 and preceding 20051682. In scientific notation, it is written as 2.0051681 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 18186480 positive integers (up to 20051681) that are relatively prime to 20051681.

Interesting facts

Basic properties

Name

Name twenty million fifty-one thousand six hundred eighty-one

Notation

Scientific notation 2.0051681 × 10^7
Engineering notation 2.0051681 × 10^6

Prime Factorization of 20051681

Prime Factorization 169 × 59 × 2011

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20051681
Product of the distinct prime numbers

The prime factorization of 20051681 is 169 × 59 × 2011. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20051681)

Multiplication

n×y
n×2 40103362
n×3 60155043
n×4 80206724
n×5 100258405

Division

n÷y
n÷2 10025840.5
n÷3 6683893.6666667
n÷3 5012920.25
n÷5 4010336.2

Exponentiation

ny
n2 402069910925761
n3 8.0621775935818E+21
n4 1.6166021327185E+29
n5 3.2415590269191E+36

Nth Root

y√n
2√n 4477.9103385396
3√n 271.6753669204
4√n 66.917190157236
5√n 28.868894763389

Divisors of 20051681

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 -20051680
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 20051681 can be divided by 8 positive divisors. The sum of these divisors (counting 20051681) is 1, the average is 0.125.

Base conversion 20051681

Base System Value
2 Binary 1001100011111011011100001
3 Ternary 1101201201201212
4 Quaternary 1030133123201
5 Quinary 20113123211
6 Senary 1553435505
8 Octal 114373341
10 Decimal 20051681
12 Duodecimal 686bb95
16 Hexadecimal 131f6e1
20 Vigesimal 656941
36 Base36 bxrz5

Cryptographic Hash Functions

md5 8104a68a3a2c8802a8fe1b27e704a5ea
sha1 2eac2923074370cd3ff67b42e86bf6e40a2f7dd3
sha256 2f097eae3891bccfe937e2e7d8fd38c4e81d7228c6f0c2eead757048f2997601
sha512 d9303e834846190c8577c8aaf16f035a02e63617051cc8cdd4ffb915dea45feb736034da7a1636540a42e22b7a046a14c656c092b0f095afeae83f8d401fdbfa
ripemd-160 b658e5abecf79a120925ab04f5f4a118bab1a93f

20051681 as geometric shapes

Circle

Radius = n
Diameter 40103362
Circumference 125988427.44345
Area 1.2631398783939E+15

Sphere

Radius = n
Volume 3.3770770533244E+22
Surface area 5.0525595135755E+15
Circumference 125988427.44345

Square

Length = n
Perimeter 80206724
Area 402069910925761
Diagonal 28357359.218579

Cube

Length = n
Surface area 2412419465554566
Volume 8.0621775935818E+21
Space diagonal 34730530.269164

Equilateral Triangle

Length = n
Perimeter 60155043
Area 1.7410137847953E+14
Altitude 17365265.134582

Triangular Pyramid

Length = n
Surface area 1.7410137847953E+14
Volume 9.5013674125865E+20
Height 9452453.0728596