20015861 (number)

20015861 is an odd 8-digits composite number following 20015860 and preceding 20015862. In scientific notation, it is written as 2.0015861 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 19871724 positive integers (up to 20015861) that are relatively prime to 20015861.

Interesting facts

Basic properties

Name

Name twenty million fifteen thousand eight hundred sixty-one

Notation

Scientific notation 2.0015861 × 10^7
Engineering notation 2.0015861 × 10^6

Prime Factorization of 20015861

Prime Factorization 139 × 143999

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20015861
Product of the distinct prime numbers

The prime factorization of 20015861 is 139 × 143999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20015861)

Multiplication

n×y
n×2 40031722
n×3 60047583
n×4 80063444
n×5 100079305

Division

n÷y
n÷2 10007930.5
n÷3 6671953.6666667
n÷3 5003965.25
n÷5 4003172.2

Exponentiation

ny
n2 400634691571321
n3 8.0190482982694E+21
n4 1.6050815609045E+29
n5 3.2127089416727E+36

Nth Root

y√n
2√n 4473.9089172669
3√n 271.51349832894
4√n 66.887285168908
5√n 28.858573199709

Divisors of 20015861

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20015860
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20015861 can be divided by 4 positive divisors. The sum of these divisors (counting 20015861) is 1, the average is 0.25.

Base conversion 20015861

Base System Value
2 Binary 1001100010110101011110101
3 Ternary 1101122220121012
4 Quaternary 1030112223311
5 Quinary 20111001421
6 Senary 1553002005
8 Octal 114265365
10 Decimal 20015861
12 Duodecimal 6853305
16 Hexadecimal 1316af5
20 Vigesimal 651jd1
36 Base36 bx0c5

Cryptographic Hash Functions

md5 b9cca5b1fcbd676abd964dc822e49c3c
sha1 9df1b3f16f715d4cc41915a8ad622e970936a2a6
sha256 9dbb8c81e94da7ed1289c9bfeaae1e057388d3f3b0f3602e484ef48d5ffc1c02
sha512 e1d4e607ef28aba4525ea32198f0213fcbc711a6301ff1dfa9b904b8b061f66d69977307fd70667a3bbb5e93ba5ac769d2201883e08cd64e91c98f82636033a5
ripemd-160 8b56f09156bb9aa7fd06e061ff057621a1817086

20015861 as geometric shapes

Circle

Radius = n
Diameter 40031722
Circumference 125763363.74575
Area 1.2586310038137E+15

Sphere

Radius = n
Volume 3.35901109635E+22
Surface area 5.0345240152547E+15
Circumference 125763363.74575

Square

Length = n
Perimeter 80063444
Area 400634691571321
Diagonal 28306702.088775

Cube

Length = n
Surface area 2403808149427926
Volume 8.0190482982694E+21
Space diagonal 34668488.209236

Equilateral Triangle

Length = n
Perimeter 60047583
Area 1.7347991026905E+14
Altitude 17334244.104618

Triangular Pyramid

Length = n
Surface area 1.7347991026905E+14
Volume 9.4505390506146E+20
Height 9435567.3629249