20180861 (number)

20180861 is an odd 8-digits prime number following 20180860 and preceding 20180862. In scientific notation, it is written as 2.0180861 × 10^7. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 20180860 positive integers (up to 20180861) that are relatively prime to 20180861.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty thousand eight hundred sixty-one

Notation

Scientific notation 2.0180861 × 10^7
Engineering notation 2.0180861 × 10^6

Prime Factorization of 20180861

Prime Factorization 20180861

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20180861
Product of the distinct prime numbers

The prime factorization of 20180861 is 20180861. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20180861)

Multiplication

n×y
n×2 40361722
n×3 60542583
n×4 80723444
n×5 100904305

Division

n÷y
n÷2 10090430.5
n÷3 6726953.6666667
n÷3 5045215.25
n÷5 4036172.2

Exponentiation

ny
n2 407267150701321
n3 8.2190017581694E+21
n4 1.6586653204037E+29
n5 3.3473294276588E+36

Nth Root

y√n
2√n 4492.3113204674
3√n 272.25752804766
4√n 67.024706791358
5√n 28.905995998556

Divisors of 20180861

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20180862
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10090431
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4492.3114317687
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999008962
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20180861 can be divided by 2 positive divisors. The sum of these divisors (counting 20180861) is 20180862, the average is 10090431.

Base conversion 20180861

Base System Value
2 Binary 1001100111110111101111101
3 Ternary 1101222021221022
4 Quaternary 1030332331331
5 Quinary 20131241421
6 Senary 2000313525
8 Octal 114767575
10 Decimal 20180861
12 Duodecimal 69128a5
16 Hexadecimal 133ef7d
20 Vigesimal 662c31
36 Base36 c0jnh

Cryptographic Hash Functions

md5 5cafcdbfdf25efcd7d4c638c4ee40699
sha1 00a49a98bd7805dece2388827085ea0ece292095
sha256 0972bc41905863ebcefb0a17ef78b95507efc9c1f40e6b1d6489ec2709121b74
sha512 a9d45e1687dfd600e9192a558529f0f38e7875e8cb484917d7d316feb642ea814a8642734a3b799024c387ef2e53de3586d6603c7da895bd89826490b4646a20
ripemd-160 7fe6e39c0b972d065e70cf58c68352baa87cf6f8

20180861 as geometric shapes

Circle

Radius = n
Diameter 40361722
Circumference 126800089.32143
Area 1.2794674886917E+15

Sphere

Radius = n
Volume 3.4427674057742E+22
Surface area 5.1178699547669E+15
Circumference 126800089.32143

Square

Length = n
Perimeter 80723444
Area 407267150701321
Diagonal 28540047.326566

Cube

Length = n
Surface area 2443602904207926
Volume 8.2190017581694E+21
Space diagonal 34954276.592485

Equilateral Triangle

Length = n
Perimeter 60542583
Area 1.7635184931712E+14
Altitude 17477138.296243

Triangular Pyramid

Length = n
Surface area 1.7635184931712E+14
Volume 9.6861864629762E+20
Height 9513349.1088554