19902649 (number)

19902649 is an odd 8-digits composite number following 19902648 and preceding 19902650. In scientific notation, it is written as 1.9902649 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 18112080 positive integers (up to 19902649) that are relatively prime to 19902649.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred two thousand six hundred forty-nine

Notation

Scientific notation 1.9902649 × 10^7
Engineering notation 1.9902649 × 10^6

Prime Factorization of 19902649

Prime Factorization 13 × 71 × 21563

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19902649
Product of the distinct prime numbers

The prime factorization of 19902649 is 13 × 71 × 21563. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19902649)

Multiplication

n×y
n×2 39805298
n×3 59707947
n×4 79610596
n×5 99513245

Division

n÷y
n÷2 9951324.5
n÷3 6634216.3333333
n÷3 4975662.25
n÷5 3980529.8

Exponentiation

ny
n2 396115437217201
n3 7.8837465104155E+21
n4 1.5690743960177E+29
n5 3.1228736958828E+36

Nth Root

y√n
2√n 4461.2385051687
3√n 271.00062635168
4√n 66.792503360547
5√n 28.825853611042

Divisors of 19902649

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 -19902648
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 19902649 can be divided by 8 positive divisors. The sum of these divisors (counting 19902649) is 1, the average is 0.125.

Base conversion 19902649

Base System Value
2 Binary 1001011111011000010111001
3 Ternary 1101110011022011
4 Quaternary 1023323002321
5 Quinary 20043341044
6 Senary 1550325521
8 Octal 113730271
10 Decimal 19902649
12 Duodecimal 67b98a1
16 Hexadecimal 12fb0b9
20 Vigesimal 647gc9
36 Base36 bukzd

Cryptographic Hash Functions

md5 01322fb38907796b1050807c4462963f
sha1 8b647d9fe1c26f2ec5526df091f8a8c50ae96b7c
sha256 131ac14d2e3f83d9334b98ca2b2b5761efbe2474800272baab573de680f1d63b
sha512 c3d5802866a1db461e53e6f30331eebf0bd658db04e798fffe8f0b43b46ff05f0ac9d7feea1e63a79823285e2fa2be247ba1d12ea13724e1d30cf3c2ca71fcfb
ripemd-160 789cad3883deb9590382a49db3b79d38b51b8178

19902649 as geometric shapes

Circle

Radius = n
Diameter 39805298
Circumference 125052031.77075
Area 1.2444333475351E+15

Sphere

Radius = n
Volume 3.3023360159847E+22
Surface area 4.9777333901403E+15
Circumference 125052031.77075

Square

Length = n
Perimeter 79610596
Area 396115437217201
Diagonal 28146596.142951

Cube

Length = n
Surface area 2376692623303206
Volume 7.8837465104155E+21
Space diagonal 34472399.27321

Equilateral Triangle

Length = n
Perimeter 59707947
Area 1.7152301573064E+14
Altitude 17236199.636605

Triangular Pyramid

Length = n
Surface area 1.7152301573064E+14
Volume 9.291084364451E+20
Height 9382198.7143171