20787948 (number)

20787948 is an even 8-digits composite number following 20787947 and preceding 20787949. In scientific notation, it is written as 2.0787948 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 6829200 positive integers (up to 20787948) that are relatively prime to 20787948.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-seven thousand nine hundred forty-eight

Notation

Scientific notation 2.0787948 × 10^7
Engineering notation 2.0787948 × 10^6

Prime Factorization of 20787948

Prime Factorization 2 × 2 × 27 × 71 × 2711

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10393974
Product of the distinct prime numbers

The prime factorization of 20787948 is 2 × 2 × 27 × 71 × 2711. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 6, 61, 75, 508, 568, 1647, 2812, 85165, 78992, 476080, 918245, 3818490, 6384250, 45354821, 24069291, 670470709, 53133511, 4146305600, 1492274164

Basic calculations (n = 20787948)

Multiplication

n×y
n×2 41575896
n×3 62363844
n×4 83151792
n×5 103939740

Division

n÷y
n÷2 10393974
n÷3 6929316
n÷3 5196987
n÷5 4157589.6

Exponentiation

ny
n2 432138782050704
n3 8.9832785300534E+21
n4 1.8674392695227E+29
n5 3.8820230427995E+36

Nth Root

y√n
2√n 4559.3802210388
3√n 274.9606467103
4√n 67.523182841442
5√n 29.077852174326

Divisors of 20787948

1, 2, 4, 27, 54, 71, 108, 142, 284, 1917, 2711, 3834, 5422, 7668, 10844, 73197, 146394, 192481, 292788, 384962, 769924, 5196987, 10393974, 20787948

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20787947
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20787948 can be divided by 24 positive divisors. The sum of these divisors (counting 20787948) is 1, the average is 0.041666666666667.

Base conversion 20787948

Base System Value
2 Binary 1001111010011001011101100
3 Ternary 1110010010201000
4 Quaternary 1033103023230
5 Quinary 20310203243
6 Senary 2021320300
8 Octal 117231354
10 Decimal 20787948
12 Duodecimal 6b66090
16 Hexadecimal 13d32ec
20 Vigesimal 69i9h8
36 Base36 cdk30

Cryptographic Hash Functions

md5 5113deffc75bc9137cac5bfffdcb3875
sha1 070c42797e6e16551ff2ec1a0d73cc811d37a86c
sha256 96a98f773bc3b1e9bae1e6e7b45e34b2c14e8ed95ca432aa9d9a4ac30769c803
sha512 a68edd32dcf0a944b453d926931f8d5cbb93e9e503b886f150a7b2a748ef84ed4775290c74d60d38beed5018385e9a904a66981dab6a32027d9566eef0f01381
ripemd-160 5eb12c8dd2448d317e48c39e02dcec14527469a5

20787948 as geometric shapes

Circle

Radius = n
Diameter 41575896
Circumference 130614529.44001
Area 1.3576040230217E+15

Sphere

Radius = n
Volume 3.7629069113555E+22
Surface area 5.4304160920869E+15
Circumference 130614529.44001

Square

Length = n
Perimeter 83151792
Area 432138782050704
Diagonal 29398597.995507

Cube

Length = n
Surface area 2592832692304224
Volume 8.9832785300534E+21
Space diagonal 36005782.1211

Equilateral Triangle

Length = n
Perimeter 62363844
Area 1.8712158160819E+14
Altitude 18002891.06055

Triangular Pyramid

Length = n
Surface area 1.8712158160819E+14
Volume 1.058689527648E+21
Height 9799532.6651689