20012981 (number)

20012981 is an odd 8-digits prime number following 20012980 and preceding 20012982. In scientific notation, it is written as 2.0012981 × 10^7. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 20012980 positive integers (up to 20012981) that are relatively prime to 20012981.

Interesting facts

Basic properties

Name

Name twenty million twelve thousand nine hundred eighty-one

Notation

Scientific notation 2.0012981 × 10^7
Engineering notation 2.0012981 × 10^6

Prime Factorization of 20012981

Prime Factorization 20012981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20012981
Product of the distinct prime numbers

The prime factorization of 20012981 is 20012981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20012981)

Multiplication

n×y
n×2 40025962
n×3 60038943
n×4 80051924
n×5 100064905

Division

n÷y
n÷2 10006490.5
n÷3 6670993.6666667
n÷3 5003245.25
n÷5 4002596.2

Exponentiation

ny
n2 400519408506361
n3 8.015587312569E+21
n4 1.6041579659029E+29
n5 3.2103982892612E+36

Nth Root

y√n
2√n 4473.587039502
3√n 271.50047538374
4√n 66.884879004914
5√n 28.857742683602

Divisors of 20012981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20012982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10006491
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4473.5871512691
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999000649
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20012981 can be divided by 2 positive divisors. The sum of these divisors (counting 20012981) is 20012982, the average is 10006491.

Base conversion 20012981

Base System Value
2 Binary 1001100010101111110110101
3 Ternary 1101122202122112
4 Quaternary 1030111332311
5 Quinary 20110403411
6 Senary 1552540405
8 Octal 114257665
10 Decimal 20012981
12 Duodecimal 6851705
16 Hexadecimal 1315fb5
20 Vigesimal 651c91
36 Base36 bwy45

Cryptographic Hash Functions

md5 8a4ca3666cb8be009718a6b4d5c621dc
sha1 9407e20ba54ee7f7d586416070bd6f5ab631c15e
sha256 e9aab18b29c8e7f2e13d6e5521f0202a449939d6c8f5be925281cca729119b2b
sha512 f44f4f6331ac47114d9863091d9dcf4707c58b37354bd8dfc36aacc4df85f3364b31b4884e9c22f3b6f2b16930b41bb4d496341a4518ea34f2ec0ff9b41cb645
ripemd-160 b188d0d63940686cb05732ebbc46e50edf2be42f

20012981 as geometric shapes

Circle

Radius = n
Diameter 40025962
Circumference 125745268.17206
Area 1.2582688313837E+15

Sphere

Radius = n
Volume 3.3575613620499E+22
Surface area 5.0330753255349E+15
Circumference 125745268.17206

Square

Length = n
Perimeter 80051924
Area 400519408506361
Diagonal 28302629.153715

Cube

Length = n
Surface area 2403116451038166
Volume 8.015587312569E+21
Space diagonal 34663499.902911

Equilateral Triangle

Length = n
Perimeter 60038943
Area 1.7342999123761E+14
Altitude 17331749.951455

Triangular Pyramid

Length = n
Surface area 1.7342999123761E+14
Volume 9.4464602398507E+20
Height 9434209.717905