19902431 (number)

19902431 is an odd 8-digits composite number following 19902430 and preceding 19902432. In scientific notation, it is written as 1.9902431 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 19875912 positive integers (up to 19902431) that are relatively prime to 19902431.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred two thousand four hundred thirty-one

Notation

Scientific notation 1.9902431 × 10^7
Engineering notation 1.9902431 × 10^6

Prime Factorization of 19902431

Prime Factorization 773 × 25747

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19902431
Product of the distinct prime numbers

The prime factorization of 19902431 is 773 × 25747. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 2, 91, 85, 161, 513, 2316, 679, 80947, 68424, 650580, 783774, 1457214, 715107, 52291265, 59392900, 706387879, 534590611, 5698057928, 7932394925

Basic calculations (n = 19902431)

Multiplication

n×y
n×2 39804862
n×3 59707293
n×4 79609724
n×5 99512155

Division

n÷y
n÷2 9951215.5
n÷3 6634143.6666667
n÷3 4975607.75
n÷5 3980486.2

Exponentiation

ny
n2 396106759709761
n3 7.8834874537571E+21
n4 1.5690056508777E+29
n5 3.1227026705203E+36

Nth Root

y√n
2√n 4461.2140724247
3√n 270.99963689625
4√n 66.79232045995
5√n 28.825790463029

Divisors of 19902431

1, 773, 25747, 19902431

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 -19902430
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 19902431 can be divided by 4 positive divisors. The sum of these divisors (counting 19902431) is 1, the average is 0.25.

Base conversion 19902431

Base System Value
2 Binary 1001011111010111111011111
3 Ternary 1101110011000002
4 Quaternary 1023322333133
5 Quinary 20043334211
6 Senary 1550324515
8 Octal 113727737
10 Decimal 19902431
12 Duodecimal 67b973b
16 Hexadecimal 12fafdf
20 Vigesimal 647g1b
36 Base36 buktb

Cryptographic Hash Functions

md5 229537eeb443365bb2e90c2dbb7a06b3
sha1 3dd1934f2264eeba2c89efdbe18a0d57d84cc12e
sha256 c1a3a77dd68af946b5f29aed180f77c372c7dc60f532d433748ecd3f6a18744d
sha512 ad3abea52b6a57faba045c01487aae3bb0d8e96d943ae2f198ad447a90348582babffc581c1adc5616024db17c6d860d4c9f40592d08cc8c2b4cf9ae20431cb6
ripemd-160 85ec677fd3bf86f83d9f99b0764598d1e0a9d9f1

19902431 as geometric shapes

Circle

Radius = n
Diameter 39804862
Circumference 125050662.03636
Area 1.2444060863414E+15

Sphere

Radius = n
Volume 3.3022275025854E+22
Surface area 4.9776243453658E+15
Circumference 125050662.03636

Square

Length = n
Perimeter 79609724
Area 396106759709761
Diagonal 28146287.844395

Cube

Length = n
Surface area 2376640558258566
Volume 7.8834874537571E+21
Space diagonal 34472021.686134

Equilateral Triangle

Length = n
Perimeter 59707293
Area 1.715192582597E+14
Altitude 17236010.843067

Triangular Pyramid

Length = n
Surface area 1.715192582597E+14
Volume 9.2907790632512E+20
Height 9382095.9481316