20051381 (number)

20051381 is an odd 8-digits composite number following 20051380 and preceding 20051382. In scientific notation, it is written as 2.0051381 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 16175808 positive integers (up to 20051381) that are relatively prime to 20051381.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0051381 × 10^7
Engineering notation 2.0051381 × 10^6

Prime Factorization of 20051381

Prime Factorization 7 × 17 × 168499

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20051381
Product of the distinct prime numbers

The prime factorization of 20051381 is 7 × 17 × 168499. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20051381)

Multiplication

n×y
n×2 40102762
n×3 60154143
n×4 80205524
n×5 100256905

Division

n÷y
n÷2 10025690.5
n÷3 6683793.6666667
n÷3 5012845.25
n÷5 4010276.2

Exponentiation

ny
n2 402057880007161
n3 8.0618157360759E+21
n4 1.6165053887585E+29
n5 3.241316543855E+36

Nth Root

y√n
2√n 4477.8768406467
3√n 271.67401203788
4√n 66.916939863137
5√n 28.868808379406

Divisors of 20051381

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 -20051380
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 20051381 can be divided by 8 positive divisors. The sum of these divisors (counting 20051381) is 1, the average is 0.125.

Base conversion 20051381

Base System Value
2 Binary 1001100011111010110110101
3 Ternary 1101201201022202
4 Quaternary 1030133112311
5 Quinary 20113121011
6 Senary 1553434245
8 Octal 114372665
10 Decimal 20051381
12 Duodecimal 686b985
16 Hexadecimal 131f5b5
20 Vigesimal 656891
36 Base36 bxrqt

Cryptographic Hash Functions

md5 34eaabd67921ad6018ecfe39f9314a4b
sha1 aee9cd605e34a8d10cade5f59d2cb7d92b021240
sha256 374ca2bf42501a98e4799f5088d73c1ab22624925a8fcb036531555b76311817
sha512 8aeaf61fb0c8da15010ce7df06b2b4d7bdfb668f6ac6a096f034b42ed2e84e5af28e4474bbd14e69e123b0d9c061a6fd181fe9d5de2ac2c9efa5bebd54b56758
ripemd-160 160c251a04a61da1f64a3de24c504931a5e00c09

20051381 as geometric shapes

Circle

Radius = n
Diameter 40102762
Circumference 125986542.48786
Area 1.2631020821484E+15

Sphere

Radius = n
Volume 3.3769254788067E+22
Surface area 5.0524083285935E+15
Circumference 125986542.48786

Square

Length = n
Perimeter 80205524
Area 402057880007161
Diagonal 28356934.95451

Cube

Length = n
Surface area 2412347280042966
Volume 8.0618157360759E+21
Space diagonal 34730010.653921

Equilateral Triangle

Length = n
Perimeter 60154143
Area 1.7409616893896E+14
Altitude 17365005.326961

Triangular Pyramid

Length = n
Surface area 1.7409616893896E+14
Volume 9.5009409594261E+20
Height 9452311.6515034