19388961 (number)

19388961 is an odd 8-digits composite number following 19388960 and preceding 19388962. In scientific notation, it is written as 1.9388961 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 12925968 positive integers (up to 19388961) that are relatively prime to 19388961.

Interesting facts

Basic properties

Name

Name nineteen million three hundred eighty-eight thousand nine hundred sixty-one

Notation

Scientific notation 1.9388961 × 10^7
Engineering notation 1.9388961 × 10^6

Prime Factorization of 19388961

Prime Factorization 9 × 2154329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19388961
Product of the distinct prime numbers

The prime factorization of 19388961 is 9 × 2154329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 31, 40, 68, 233, 4833, 5334, 8961, 29393, 60472, 794362, 3780101, 1463427, 22060969, 7829590, 271578592, 783852668, 45207566, 3909043556

Basic calculations (n = 19388961)

Multiplication

n×y
n×2 38777922
n×3 58166883
n×4 77555844
n×5 96944805

Division

n÷y
n÷2 9694480.5
n÷3 6462987
n÷3 4847240.25
n÷5 3877792.2

Exponentiation

ny
n2 375931808659521
n3 7.2889271767589E+21
n4 1.4132472476202E+29
n5 2.7401395767465E+36

Nth Root

y√n
2√n 4403.2897928708
3√n 268.64876331169
4√n 66.35728892044
5√n 28.675493939067

Divisors of 19388961

1, 9, 2154329, 19388961

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 -19388960
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 19388961 can be divided by 4 positive divisors. The sum of these divisors (counting 19388961) is 1, the average is 0.25.

Base conversion 19388961

Base System Value
2 Binary 1001001111101101000100001
3 Ternary 1100111001122200
4 Quaternary 1021331220201
5 Quinary 14430421321
6 Senary 1531323413
8 Octal 111755041
10 Decimal 19388961
12 Duodecimal 65b0569
16 Hexadecimal 127da21
20 Vigesimal 613c81
36 Base36 bjkm9

Cryptographic Hash Functions

md5 cbdec44ae080b316025a358b7c24d897
sha1 b2ea8d90fb1464affefa04a3859ca619d0e6da02
sha256 fcace21c9614374f7f3eb99391d4a5cc76074545e55299aebe1bdc29036a5fa7
sha512 5b4e4a1c306ebe53285f62658909c2675fb215f75478a9e52d265e9a45614a28045ec6a1521164ae1d88df86b52f2b72ad3941d47067a548ffebca642c42bfe1
ripemd-160 651d5c953e81df6f4dbddc8e557baa8da8184cfb

19388961 as geometric shapes

Circle

Radius = n
Diameter 38777922
Circumference 121824434.87668
Area 1.1810246083355E+15

Sphere

Radius = n
Volume 3.0531786761409E+22
Surface area 4.7240984333419E+15
Circumference 121824434.87668

Square

Length = n
Perimeter 77555844
Area 375931808659521
Diagonal 27420131.606523

Cube

Length = n
Surface area 2255590851957126
Volume 7.2889271767589E+21
Space diagonal 33582665.557971

Equilateral Triangle

Length = n
Perimeter 58166883
Area 1.6278324819489E+14
Altitude 16791332.778986

Triangular Pyramid

Length = n
Surface area 1.6278324819489E+14
Volume 8.5900830571019E+20
Height 9140043.868841