19902790 (number)

19902790 is an even 8-digits composite number following 19902789 and preceding 19902791. In scientific notation, it is written as 1.9902790 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 7961112 positive integers (up to 19902790) that are relatively prime to 19902790.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred two thousand seven hundred ninety

Notation

Scientific notation 1.9902790 × 10^7
Engineering notation 1.9902790 × 10^6

Prime Factorization of 19902790

Prime Factorization 2 × 5 × 1990279

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19902790
Product of the distinct prime numbers

The prime factorization of 19902790 is 2 × 5 × 1990279. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19902790)

Multiplication

n×y
n×2 39805580
n×3 59708370
n×4 79611160
n×5 99513950

Division

n÷y
n÷2 9951395
n÷3 6634263.3333333
n÷3 4975697.5
n÷5 3980558

Exponentiation

ny
n2 396121049784100
n3 7.8839140684325E+21
n4 1.5691188608206E+29
n5 3.1229843171951E+36

Nth Root

y√n
2√n 4461.2543079273
3√n 271.00126631671
4√n 66.79262165784
5√n 28.825894454186

Divisors of 19902790

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 -19902789
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 19902790 can be divided by 8 positive divisors. The sum of these divisors (counting 19902790) is 1, the average is 0.125.

Base conversion 19902790

Base System Value
2 Binary 1001011111011000101000110
3 Ternary 1101110011111101
4 Quaternary 1023323011012
5 Quinary 20043342130
6 Senary 1550330314
8 Octal 113730506
10 Decimal 19902790
12 Duodecimal 67b999a
16 Hexadecimal 12fb146
20 Vigesimal 647gja
36 Base36 bul3a

Cryptographic Hash Functions

md5 54f7b00415e8d7744cd4af9f2d284728
sha1 ac5011bcdc2a6156511f4cb1ff1d16251e287a9d
sha256 6869eb18551eee94a44788cdb436743acebb572fe47a7e968d70a762500644dd
sha512 440955d5fbab1ed51f009ad124ac0d2b68ab3a9e18acebbbec607d432bbad3bf40afa53aa95f93ee5f74efbfc75eabb92dfcd52d9f4c26588be679d55c3e037a
ripemd-160 f771fc1914ff4e91af7d65ee3edf360337641423

19902790 as geometric shapes

Circle

Radius = n
Diameter 39805580
Circumference 125052917.69988
Area 1.244450979934E+15

Sphere

Radius = n
Volume 3.3024062025228E+22
Surface area 4.977803919736E+15
Circumference 125052917.69988

Square

Length = n
Perimeter 79611160
Area 396121049784100
Diagonal 28146795.547064

Cube

Length = n
Surface area 2376726298704600
Volume 7.8839140684325E+21
Space diagonal 34472643.492374

Equilateral Triangle

Length = n
Perimeter 59708370
Area 1.715254460434E+14
Altitude 17236321.746187

Triangular Pyramid

Length = n
Surface area 1.715254460434E+14
Volume 9.2912818334677E+20
Height 9382265.1823545