16397921 (number)

16397921 is an odd 8-digits composite number following 16397920 and preceding 16397922. In scientific notation, it is written as 1.6397921 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 16016532 positive integers (up to 16397921) that are relatively prime to 16397921.

Interesting facts

Basic properties

Name

Name sixteen million three hundred ninety-seven thousand nine hundred twenty-one

Notation

Scientific notation 1.6397921 × 10^7
Engineering notation 1.6397921 × 10^6

Prime Factorization of 16397921

Prime Factorization 43 × 381347

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16397921
Product of the distinct prime numbers

The prime factorization of 16397921 is 43 × 381347. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16397921)

Multiplication

n×y
n×2 32795842
n×3 49193763
n×4 65591684
n×5 81989605

Division

n÷y
n÷2 8198960.5
n÷3 5465973.6666667
n÷3 4099480.25
n÷5 3279584.2

Exponentiation

ny
n2 268891813122241
n3 4.4092667091253E+21
n4 7.2302807164166E+28
n5 1.1856157199562E+36

Nth Root

y√n
2√n 4049.434651899
3√n 254.05608222854
4√n 63.635168357591
5√n 27.730503683019

Divisors of 16397921

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 -16397920
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 16397921 can be divided by 4 positive divisors. The sum of these divisors (counting 16397921) is 1, the average is 0.25.

Base conversion 16397921

Base System Value
2 Binary 111110100011011001100001
3 Ternary 1010212002201102
4 Quaternary 332203121201
5 Quinary 13144213141
6 Senary 1343244145
8 Octal 76433141
10 Decimal 16397921
12 Duodecimal 55a9655
16 Hexadecimal fa3661
20 Vigesimal 529eg1
36 Base36 9rgpt

Cryptographic Hash Functions

md5 73f377002b863893a01d4bd967de76c3
sha1 bc8e50ec2e4b59a782c7982c29d2aaad082a910c
sha256 48fb38178653f98c569189c7b45fd657fe1270dd85acb0473cf6f47447e482dc
sha512 859652624211c394874bc0a12c0cd15925ca6cd738e3d36916c3f1a27bf780b01052305afc6f887a73b9c9b5506b1a0ec48e28b8db3e0607bf1b818067a3578b
ripemd-160 15ca7cf998734c8366de0f32731eaab2f5b48c3a

16397921 as geometric shapes

Circle

Radius = n
Diameter 32795842
Circumference 103031176.29549
Area 8.4474854471527E+14

Sphere

Radius = n
Volume 1.8469493201475E+22
Surface area 3.3789941788611E+15
Circumference 103031176.29549

Square

Length = n
Perimeter 65591684
Area 268891813122241
Diagonal 23190162.272923

Cube

Length = n
Surface area 1613350878733446
Volume 4.4092667091253E+21
Space diagonal 28402032.310501

Equilateral Triangle

Length = n
Perimeter 49193763
Area 1.1643357051676E+14
Altitude 14201016.15525

Triangular Pyramid

Length = n
Surface area 1.1643357051676E+14
Volume 5.1963706501376E+20
Height 7730054.0909742