20154988 (number)

20154988 is an even 8-digits composite number following 20154987 and preceding 20154989. In scientific notation, it is written as 2.0154988 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 8637840 positive integers (up to 20154988) that are relatively prime to 20154988.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-four thousand nine hundred eighty-eight

Notation

Scientific notation 2.0154988 × 10^7
Engineering notation 2.0154988 × 10^6

Prime Factorization of 20154988

Prime Factorization 2 × 2 × 7 × 719821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10077494
Product of the distinct prime numbers

The prime factorization of 20154988 is 2 × 2 × 7 × 719821. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 9, 36, 58, 674, 264, 1411, 5791, 85821, 80688, 708290, 897123, 2662391, 4138469, 10555505, 47360628, 881302599, 69953381, 8229241004, 6448675911

Basic calculations (n = 20154988)

Multiplication

n×y
n×2 40309976
n×3 60464964
n×4 80619952
n×5 100774940

Division

n÷y
n÷2 10077494
n÷3 6718329.3333333
n÷3 5038747
n÷5 4030997.6

Exponentiation

ny
n2 406223541280144
n3 8.1874305998188E+21
n4 1.6501756549018E+29
n5 3.3259270522438E+36

Nth Root

y√n
2√n 4489.4306988749
3√n 272.14112846345
4√n 67.003214093615
5√n 28.89858037182

Divisors of 20154988

1, 2, 4, 7, 14, 28, 719821, 1439642, 2879284, 5038747, 10077494, 20154988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20154987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20154988 can be divided by 12 positive divisors. The sum of these divisors (counting 20154988) is 1, the average is 0.083333333333333.

Base conversion 20154988

Base System Value
2 Binary 1001100111000101001101100
3 Ternary 1101220222110001
4 Quaternary 1030320221230
5 Quinary 20124424423
6 Senary 1555554044
8 Octal 114705154
10 Decimal 20154988
12 Duodecimal 68bb924
16 Hexadecimal 1338a6c
20 Vigesimal 65j798
36 Base36 bzzos

Cryptographic Hash Functions

md5 e4c5c0b3c93ab8a0db15fc45f3050812
sha1 bc8f74b4bae117031f2d1a1d2b6486a0785d88ce
sha256 3347006c37469ae9d7ca8ff8bcc7e5e2c8e0e9025e52cc37e0cef04891ea60ae
sha512 3ba3a7fb4cc19bf5d53217580b2f9e337dae1e64dd828f36c3ad0bb9ee8ae321e0f19fe891ded45169ca6f3d66a79954d3e21538421a18115cb6902d59900f90
ripemd-160 0319d5941164652331a75ebaf745ec04797882a9

20154988 as geometric shapes

Circle

Radius = n
Diameter 40309976
Circumference 126637524.46798
Area 1.2761888930009E+15

Sphere

Radius = n
Volume 3.4295429098889E+22
Surface area 5.1047555720037E+15
Circumference 126637524.46798

Square

Length = n
Perimeter 80619952
Area 406223541280144
Diagonal 28503457.379067

Cube

Length = n
Surface area 2437341247680864
Volume 8.1874305998188E+21
Space diagonal 34909463.241941

Equilateral Triangle

Length = n
Perimeter 60464964
Area 1.7589995318194E+14
Altitude 17454731.620971

Triangular Pyramid

Length = n
Surface area 1.7589995318194E+14
Volume 9.6489794960435E+20
Height 9501152.459689