19906749 (number)

19906749 is an odd 8-digits composite number following 19906748 and preceding 19906750. In scientific notation, it is written as 1.9906749 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 13271148 positive integers (up to 19906749) that are relatively prime to 19906749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9906749 × 10^7
Engineering notation 1.9906749 × 10^6

Prime Factorization of 19906749

Prime Factorization 9 × 3 × 737287

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19906749
Product of the distinct prime numbers

The prime factorization of 19906749 is 9 × 3 × 737287. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19906749)

Multiplication

n×y
n×2 39813498
n×3 59720247
n×4 79626996
n×5 99533745

Division

n÷y
n÷2 9953374.5
n÷3 6635583
n÷3 4976687.25
n÷5 3981349.8

Exponentiation

ny
n2 396278655749001
n3 7.8886197340528E+21
n4 1.5703677300224E+29
n5 3.1260916239255E+36

Nth Root

y√n
2√n 4461.6979951583
3√n 271.01923403015
4√n 66.795942954332
5√n 28.82704115409

Divisors of 19906749

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 -19906748
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 19906749 can be divided by 8 positive divisors. The sum of these divisors (counting 19906749) is 1, the average is 0.125.

Base conversion 19906749

Base System Value
2 Binary 1001011111100000010111101
3 Ternary 1101110100221000
4 Quaternary 1023330002331
5 Quinary 20044003444
6 Senary 1550400513
8 Octal 113740275
10 Decimal 19906749
12 Duodecimal 6800139
16 Hexadecimal 12fc0bd
20 Vigesimal 6486h9
36 Base36 buo59

Cryptographic Hash Functions

md5 a81aa2f1af294b906c88b9ee4a68f05d
sha1 7bbafd55b71fcde67c071a779ff1c65ab6681d00
sha256 7c4952f0e166999e9b79b79c6193af40f5b013fe5019ac70fc207c47a138fc42
sha512 8248cdf2b0a10d3df218bc00d83257443f9bf03e33bf655444609d538e7433a5c88b0e57f752b4b087026e42cf245a15caa0d8a034197ae6fcd498d700e8e389
ripemd-160 38b160bdbfc86eab6aea5e60195b27fa822325f1

19906749 as geometric shapes

Circle

Radius = n
Diameter 39813498
Circumference 125077792.83051
Area 1.2449461136755E+15

Sphere

Radius = n
Volume 3.3043773071285E+22
Surface area 4.979784454702E+15
Circumference 125077792.83051

Square

Length = n
Perimeter 79626996
Area 396278655749001
Diagonal 28152394.418557

Cube

Length = n
Surface area 2377671934494006
Volume 7.8886197340528E+21
Space diagonal 34479500.681521

Equilateral Triangle

Length = n
Perimeter 59720247
Area 1.7159369142809E+14
Altitude 17239750.34076

Triangular Pyramid

Length = n
Surface area 1.7159369142809E+14
Volume 9.2968275135846E+20
Height 9384131.4728523