19902738 (number)

19902738 is an even 8-digits composite number following 19902737 and preceding 19902739. In scientific notation, it is written as 1.9902738 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 6634244 positive integers (up to 19902738) that are relatively prime to 19902738.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred two thousand seven hundred thirty-eight

Notation

Scientific notation 1.9902738 × 10^7
Engineering notation 1.9902738 × 10^6

Prime Factorization of 19902738

Prime Factorization 2 × 3 × 3317123

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19902738
Product of the distinct prime numbers

The prime factorization of 19902738 is 2 × 3 × 3317123. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19902738)

Multiplication

n×y
n×2 39805476
n×3 59708214
n×4 79610952
n×5 99513690

Division

n÷y
n÷2 9951369
n÷3 6634246
n÷3 4975684.5
n÷5 3980547.6

Exponentiation

ny
n2 396118979896644
n3 7.8838522737102E+21
n4 1.5691024623436E+29
n5 3.1229435203179E+36

Nth Root

y√n
2√n 4461.2484799661
3√n 271.00103030159
4√n 66.792578030543
5√n 28.825879391493

Divisors of 19902738

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 -19902737
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 19902738 can be divided by 8 positive divisors. The sum of these divisors (counting 19902738) is 1, the average is 0.125.

Base conversion 19902738

Base System Value
2 Binary 1001011111011000100010010
3 Ternary 1101110011102110
4 Quaternary 1023323010102
5 Quinary 20043341423
6 Senary 1550330150
8 Octal 113730422
10 Decimal 19902738
12 Duodecimal 67b9956
16 Hexadecimal 12fb112
20 Vigesimal 647ggi
36 Base36 bul1u

Cryptographic Hash Functions

md5 49230d54e6fbbab7c053859fe4034b1a
sha1 7c75a046ed69f2078a445fe98d906f46e1074d3f
sha256 3c73f05ecb896bc2175387b15aadffe8c15e5b6afbc2927b654508c39fe8e545
sha512 d999eefa904793cb321693d25e617061b594662cd734df1a45f8706bebed686e289aa2c3fbe82f7cdd1a9e5afa712f1af4b5c7256fe422f2672213f4ffb518c0
ripemd-160 e569b0b3f964f453e4e5122280105a5637d05f77

19902738 as geometric shapes

Circle

Radius = n
Diameter 39805476
Circumference 125052590.97424
Area 1.2444444771908E+15

Sphere

Radius = n
Volume 3.30238031801E+22
Surface area 4.9777779087631E+15
Circumference 125052590.97424

Square

Length = n
Perimeter 79610952
Area 396118979896644
Diagonal 28146722.007958

Cube

Length = n
Surface area 2376713879379864
Volume 7.8838522737102E+21
Space diagonal 34472553.425732

Equilateral Triangle

Length = n
Perimeter 59708214
Area 1.7152454975584E+14
Altitude 17236276.712866

Triangular Pyramid

Length = n
Surface area 1.7152454975584E+14
Volume 9.2912090076891E+20
Height 9382240.6693195