20155871 (number)

20155871 is an odd 8-digits composite number following 20155870 and preceding 20155872. In scientific notation, it is written as 2.0155871 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 20145000 positive integers (up to 20155871) that are relatively prime to 20155871.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand eight hundred seventy-one

Notation

Scientific notation 2.0155871 × 10^7
Engineering notation 2.0155871 × 10^6

Prime Factorization of 20155871

Prime Factorization 2371 × 8501

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20155871
Product of the distinct prime numbers

The prime factorization of 20155871 is 2371 × 8501. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155871)

Multiplication

n×y
n×2 40311742
n×3 60467613
n×4 80623484
n×5 100779355

Division

n÷y
n÷2 10077935.5
n÷3 6718623.6666667
n÷3 5038967.75
n÷5 4031174.2

Exponentiation

ny
n2 406259135768641
n3 8.1885067331242E+21
n4 1.6504648539548E+29
n5 3.3266556686347E+36

Nth Root

y√n
2√n 4489.5290398883
3√n 272.14510261792
4√n 67.003947942552
5√n 28.898833579604

Divisors of 20155871

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 -20155870
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 20155871 can be divided by 4 positive divisors. The sum of these divisors (counting 20155871) is 1, the average is 0.25.

Base conversion 20155871

Base System Value
2 Binary 1001100111000110111011111
3 Ternary 1101221000122202
4 Quaternary 1030320313133
5 Quinary 20124441441
6 Senary 2000002115
8 Octal 114706737
10 Decimal 20155871
12 Duodecimal 690033b
16 Hexadecimal 1338ddf
20 Vigesimal 65j9db
36 Base36 c00db

Cryptographic Hash Functions

md5 0f031d79797ace261504822b82128606
sha1 d46c4ff0400596089188a478ce41edf671b74ce7
sha256 77eabea05d0bea2de57f82a346754b4c0de5b4f0b3efa30614f98d55db694628
sha512 eb94d74869b3e03628c4d429c1e27d460df89bdabe12378f5fc1acbcff9521237776e1590e3e90f3f10c095efe2383705ddcdbcad124448f130a32ac1610ce3d
ripemd-160 12920228b90a3e00e9b1fc9c31158b0284becf52

20155871 as geometric shapes

Circle

Radius = n
Diameter 40311742
Circumference 126643072.52061
Area 1.2763007163845E+15

Sphere

Radius = n
Volume 3.4299936795538E+22
Surface area 5.105202865538E+15
Circumference 126643072.52061

Square

Length = n
Perimeter 80623484
Area 406259135768641
Diagonal 28504706.129643

Cube

Length = n
Surface area 2437554814611846
Volume 8.1885067331242E+21
Space diagonal 34910992.642804

Equilateral Triangle

Length = n
Perimeter 60467613
Area 1.7591536604758E+14
Altitude 17455496.321402

Triangular Pyramid

Length = n
Surface area 1.7591536604758E+14
Volume 9.6502477313064E+20
Height 9501568.7098809