19990745 (number)

19990745 is an odd 8-digits composite number following 19990744 and preceding 19990746. In scientific notation, it is written as 1.9990745 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 15544320 positive integers (up to 19990745) that are relatively prime to 19990745.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety thousand seven hundred forty-five

Notation

Scientific notation 1.9990745 × 10^7
Engineering notation 1.9990745 × 10^6

Prime Factorization of 19990745

Prime Factorization 5 × 47 × 257 × 331

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19990745
Product of the distinct prime numbers

The prime factorization of 19990745 is 5 × 47 × 257 × 331. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 72, 4, 290, 262, 7221, 5654, 51499, 55376, 878876, 842605, 9452935, 1774570, 61676525, 45935471, 2133998, 951552574, 8275078497, 3547421519

Basic calculations (n = 19990745)

Multiplication

n×y
n×2 39981490
n×3 59972235
n×4 79962980
n×5 99953725

Division

n÷y
n÷2 9995372.5
n÷3 6663581.6666667
n÷3 4997686.25
n÷5 3998149

Exponentiation

ny
n2 399629885655025
n3 7.9888991385088E+21
n4 1.5970404550865E+29
n5 3.1926028492318E+36

Nth Root

y√n
2√n 4471.1010948087
3√n 271.39988530766
4√n 66.866292665354
5√n 28.851327186183

Divisors of 19990745

1, 5, 47, 235, 257, 331, 1285, 1655, 12079, 15557, 60395, 77785, 85067, 425335, 3998149, 19990745

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19990744
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19990745 can be divided by 16 positive divisors. The sum of these divisors (counting 19990745) is 1, the average is 0.0625.

Base conversion 19990745

Base System Value
2 Binary 1001100010000100011011001
3 Ternary 1101121122010222
4 Quaternary 1030100203121
5 Quinary 20104200440
6 Senary 1552245425
8 Octal 114204331
10 Decimal 19990745
12 Duodecimal 6840875
16 Hexadecimal 13108d9
20 Vigesimal 64igh5
36 Base36 bwgyh

Cryptographic Hash Functions

md5 6a7fce9782e6ac626ef119d4f11618f2
sha1 ef0400a88503d0753938641aa8be029cca622db7
sha256 3d8325b0a9957744ca217ba6bad23cb5fd6c6c0919341754187a2a0e938cea16
sha512 afb11ed18cd37f8c33c2a1e9cb77547583fc84ce302b9a99062201c7f4c54971e79bfe4bb871efa2d27b34c52d4f4b950a4cadec5e42cff177485a8cf8f36e8c
ripemd-160 69d015fc2ee2d370745dbf71685c28054243cc75

19990745 as geometric shapes

Circle

Radius = n
Diameter 39981490
Circumference 125605555.26357
Area 1.2554743129288E+15

Sphere

Radius = n
Volume 3.3463822458412E+22
Surface area 5.021897251715E+15
Circumference 125605555.26357

Square

Length = n
Perimeter 79962980
Area 399629885655025
Diagonal 28271182.700942

Cube

Length = n
Surface area 2397779313930150
Volume 7.9888991385088E+21
Space diagonal 34624986.021153

Equilateral Triangle

Length = n
Perimeter 59972235
Area 1.7304481654436E+14
Altitude 17312493.010577

Triangular Pyramid

Length = n
Surface area 1.7304481654436E+14
Volume 9.4150079250915E+20
Height 9423727.5669807