19902921 (number)

19902921 is an odd 8-digits composite number following 19902920 and preceding 19902922. In scientific notation, it is written as 1.9902921 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 13268612 positive integers (up to 19902921) that are relatively prime to 19902921.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred two thousand nine hundred twenty-one

Notation

Scientific notation 1.9902921 × 10^7
Engineering notation 1.9902921 × 10^6

Prime Factorization of 19902921

Prime Factorization 3 × 6634307

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19902921
Product of the distinct prime numbers

The prime factorization of 19902921 is 3 × 6634307. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19902921)

Multiplication

n×y
n×2 39805842
n×3 59708763
n×4 79611684
n×5 99514605

Division

n÷y
n÷2 9951460.5
n÷3 6634307
n÷3 4975730.25
n÷5 3980584.2

Exponentiation

ny
n2 396126264332241
n3 7.8840697450297E+21
n4 1.5691601729382E+29
n5 3.1230870958335E+36

Nth Root

y√n
2√n 4461.2689898727
3√n 271.00186089144
4√n 66.79273156469
5√n 28.825932400446

Divisors of 19902921

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 -19902920
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 19902921 can be divided by 4 positive divisors. The sum of these divisors (counting 19902921) is 1, the average is 0.25.

Base conversion 19902921

Base System Value
2 Binary 1001011111011000111001001
3 Ternary 1101110011200020
4 Quaternary 1023323013021
5 Quinary 20043343141
6 Senary 1550331053
8 Octal 113730711
10 Decimal 19902921
12 Duodecimal 67b9a89
16 Hexadecimal 12fb1c9
20 Vigesimal 647h61
36 Base36 bul6x

Cryptographic Hash Functions

md5 a4e29da19879eb23554a05479d93b769
sha1 01f85708ad261bfc9e498dfe60b31104b320f46d
sha256 7c253a32859483fd369ecc5466b8fcfb5d5e916c31497407780395ecffcf7ae6
sha512 2c561669d3bbbcd85c9a7a7ed98611948b4fdaa1d5eae1313bfd8406fc972492ff8459ce3386db51dd70ce20bc14e2fbf0a83ffd58110ee8becdc835c83b6a39
ripemd-160 34ab73988f2de2e1f4943a77ffddd82f1ef8b32f

19902921 as geometric shapes

Circle

Radius = n
Diameter 39805842
Circumference 125053740.79716
Area 1.2444673619201E+15

Sphere

Radius = n
Volume 3.3024714121833E+22
Surface area 4.9778694476805E+15
Circumference 125053740.79716

Square

Length = n
Perimeter 79611684
Area 396126264332241
Diagonal 28146980.80904

Cube

Length = n
Surface area 2376757585993446
Volume 7.8840697450297E+21
Space diagonal 34472870.39103

Equilateral Triangle

Length = n
Perimeter 59708763
Area 1.7152770400898E+14
Altitude 17236435.195515

Triangular Pyramid

Length = n
Surface area 1.7152770400898E+14
Volume 9.291465300097E+20
Height 9382326.9363468