20102989 (number)

20102989 is an odd 8-digits composite number following 20102988 and preceding 20102990. In scientific notation, it is written as 2.0102989 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 19183296 positive integers (up to 20102989) that are relatively prime to 20102989.

Interesting facts

Basic properties

Name

Name twenty million one hundred two thousand nine hundred eighty-nine

Notation

Scientific notation 2.0102989 × 10^7
Engineering notation 2.0102989 × 10^6

Prime Factorization of 20102989

Prime Factorization 23 × 1489 × 587

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20102989
Product of the distinct prime numbers

The prime factorization of 20102989 is 23 × 1489 × 587. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20102989)

Multiplication

n×y
n×2 40205978
n×3 60308967
n×4 80411956
n×5 100514945

Division

n÷y
n÷2 10051494.5
n÷3 6700996.3333333
n÷3 5025747.25
n÷5 4020597.8

Exponentiation

ny
n2 404130166734121
n3 8.1242242964242E+21
n4 1.6332119166455E+29
n5 3.2832441194993E+36

Nth Root

y√n
2√n 4483.6356899284
3√n 271.90688944652
4√n 66.959955868627
5√n 28.883653541367

Divisors of 20102989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20102988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20102989 can be divided by 8 positive divisors. The sum of these divisors (counting 20102989) is 1, the average is 0.125.

Base conversion 20102989

Base System Value
2 Binary 1001100101011111101001101
3 Ternary 1101211100010011
4 Quaternary 1030223331031
5 Quinary 20121243424
6 Senary 1554513221
8 Octal 114537515
10 Decimal 20102989
12 Duodecimal 6895811
16 Hexadecimal 132bf4d
20 Vigesimal 65ch99
36 Base36 byvkd

Cryptographic Hash Functions

md5 db1db795f12cf20fd1d1c079acdeec6e
sha1 45830d5a1304d8865c7b8dc898f667e1f189a639
sha256 8e691ea6e1f22e90efbdba19d3f482d6ebfe32088746d16f22b5cef877b0c31c
sha512 29109dd31fc6a6361806078df51730ce1de6dc1d65a1fe1bf81eec05541b1fbcbf9e7176e3e035f5e19478545d69364f19e5450d8f9eeab310c42b2b20119b0e
ripemd-160 d3fbaf159c4509c380ec4a08de9a80cddeeb5970

20102989 as geometric shapes

Circle

Radius = n
Diameter 40205978
Circumference 126310805.11519
Area 1.2696123629059E+15

Sphere

Radius = n
Volume 3.4030671154349E+22
Surface area 5.0784494516237E+15
Circumference 126310805.11519

Square

Length = n
Perimeter 80411956
Area 404130166734121
Diagonal 28429919.688037

Cube

Length = n
Surface area 2424781000404726
Volume 8.1242242964242E+21
Space diagonal 34819398.331998

Equilateral Triangle

Length = n
Perimeter 60308967
Area 1.7499349541369E+14
Altitude 17409699.165999

Triangular Pyramid

Length = n
Surface area 1.7499349541369E+14
Volume 9.5744901531368E+20
Height 9476639.8960124