20398949 (number)

20398949 is an odd 8-digits composite number following 20398948 and preceding 20398950. In scientific notation, it is written as 2.0398949 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 19938240 positive integers (up to 20398949) that are relatively prime to 20398949.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-eight thousand nine hundred forty-nine

Notation

Scientific notation 2.0398949 × 10^7
Engineering notation 2.0398949 × 10^6

Prime Factorization of 20398949

Prime Factorization 61 × 173 × 1933

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20398949
Product of the distinct prime numbers

The prime factorization of 20398949 is 61 × 173 × 1933. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20398949)

Multiplication

n×y
n×2 40797898
n×3 61196847
n×4 81595796
n×5 101994745

Division

n÷y
n÷2 10199474.5
n÷3 6799649.6666667
n÷3 5099737.25
n÷5 4079789.8

Exponentiation

ny
n2 416117120304601
n3 8.4883519151204E+21
n4 1.7315345781059E+29
n5 3.532148555052E+36

Nth Root

y√n
2√n 4516.5195671003
3√n 273.23474913257
4√n 67.205056112619
5√n 28.968203214493

Divisors of 20398949

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 -20398948
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 20398949 can be divided by 8 positive divisors. The sum of these divisors (counting 20398949) is 1, the average is 0.125.

Base conversion 20398949

Base System Value
2 Binary 1001101110100001101100101
3 Ternary 1102101101002122
4 Quaternary 1031310031211
5 Quinary 20210231244
6 Senary 2005115325
8 Octal 115641545
10 Decimal 20398949
12 Duodecimal 69b8b45
16 Hexadecimal 1374365
20 Vigesimal 679h79
36 Base36 c57xh

Cryptographic Hash Functions

md5 7cc0f74345553c1593bee799fe387457
sha1 dda14627d43d48a022e333982c4b1de850fc55d1
sha256 5f096e9ef7abef689fb96a886002b4e31a6946bb89b806e2e68b39e4305145f2
sha512 f1902db40fcd037258bb5267640cfbfb3c90cd9e1de7765259e10f596f54d25ba9c4934ee7d62ef71ff1744c3a17c4a46ad76ef840804df992936d58206cccbd
ripemd-160 c079916c71576eea0c0a618f50fc09c3a5fee67c

20398949 as geometric shapes

Circle

Radius = n
Diameter 40797898
Circumference 128170376.63871
Area 1.3072704881819E+15

Sphere

Radius = n
Volume 3.5555925356836E+22
Surface area 5.2290819527275E+15
Circumference 128170376.63871

Square

Length = n
Perimeter 81595796
Area 416117120304601
Diagonal 28848470.333957

Cube

Length = n
Surface area 2496702721827606
Volume 8.4883519151204E+21
Space diagonal 35332016.089006

Equilateral Triangle

Length = n
Perimeter 61196847
Area 1.801839985667E+14
Altitude 17666008.044503

Triangular Pyramid

Length = n
Surface area 1.801839985667E+14
Volume 1.0003618667132E+21
Height 9616156.7779857