20135981 (number)

20135981 is an odd 8-digits prime number following 20135980 and preceding 20135982. In scientific notation, it is written as 2.0135981 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 20135980 positive integers (up to 20135981) that are relatively prime to 20135981.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-five thousand nine hundred eighty-one

Notation

Scientific notation 2.0135981 × 10^7
Engineering notation 2.0135981 × 10^6

Prime Factorization of 20135981

Prime Factorization 20135981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20135981
Product of the distinct prime numbers

The prime factorization of 20135981 is 20135981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 1, 74, 78, 512, 941, 6106, 122, 55866, 35712, 200963, 668874, 2212885, 8803993, 90846294, 53740133, 502646816, 33131538, 10025043, 7008379951

Basic calculations (n = 20135981)

Multiplication

n×y
n×2 40271962
n×3 60407943
n×4 80543924
n×5 100679905

Division

n÷y
n÷2 10067990.5
n÷3 6711993.6666667
n÷3 5033995.25
n÷5 4027196.2

Exponentiation

ny
n2 405457730832361
n3 8.1642891643435E+21
n4 1.6439597149173E+29
n5 3.310274158434E+36

Nth Root

y√n
2√n 4487.3133387362
3√n 272.05555472078
4√n 66.987411793084
5√n 28.893127799679

Divisors of 20135981

1, 20135981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20135982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10067991
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4487.3134501615
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999006753
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20135981 can be divided by 2 positive divisors. The sum of these divisors (counting 20135981) is 20135982, the average is 10067991.

Base conversion 20135981

Base System Value
2 Binary 1001100110100000000101101
3 Ternary 1101220000101002
4 Quaternary 1030310000231
5 Quinary 20123322411
6 Senary 1555330045
8 Octal 114640055
10 Decimal 20135981
12 Duodecimal 68b0925
16 Hexadecimal 133402d
20 Vigesimal 65gjj1
36 Base36 bzl0t

Cryptographic Hash Functions

md5 562dd7f03b30bdcc48a8962210f73c4a
sha1 5414b8d53cc7d52393f5f5638240e8b4317e2b51
sha256 0715f4ba81486ecd8c77dd657a55985030389bc4817d8784ac19750dea20fd0d
sha512 736ce95433e3a9550be65913f2794dcef75fdd0592671c2f323342ad2e8aacd8fd165b9a08d77762e264eec2e4afb27e88e34dad161ef01d126bf57f1f8bc866
ripemd-160 8d7944c6f04a9ea361587283e4ad59a94bd61c3a

20135981 as geometric shapes

Circle

Radius = n
Diameter 40271962
Circumference 126518099.96485
Area 1.2737830285241E+15

Sphere

Radius = n
Volume 3.4198494480646E+22
Surface area 5.0951321140965E+15
Circumference 126518099.96485

Square

Length = n
Perimeter 80543924
Area 405457730832361
Diagonal 28476577.421887

Cube

Length = n
Surface area 2432746384994166
Volume 8.1642891643435E+21
Space diagonal 34876542.152242

Equilateral Triangle

Length = n
Perimeter 60407943
Area 1.7556834753081E+14
Altitude 17438271.076121

Triangular Pyramid

Length = n
Surface area 1.7556834753081E+14
Volume 9.6217070527919E+20
Height 9492192.4739623