16398921 (number)

16398921 is an odd 8-digits composite number following 16398920 and preceding 16398922. In scientific notation, it is written as 1.6398921 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 8518800 positive integers (up to 16398921) that are relatively prime to 16398921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6398921 × 10^7
Engineering notation 1.6398921 × 10^6

Prime Factorization of 16398921

Prime Factorization 21 × 11 × 70991

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16398921
Product of the distinct prime numbers

The prime factorization of 16398921 is 21 × 11 × 70991. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16398921)

Multiplication

n×y
n×2 32797842
n×3 49196763
n×4 65595684
n×5 81994605

Division

n÷y
n÷2 8199460.5
n÷3 5466307
n÷3 4099730.25
n÷5 3279784.2

Exponentiation

ny
n2 268924609964241
n3 4.4100734337594E+21
n4 7.2320445844419E+28
n5 1.1859772780874E+36

Nth Root

y√n
2√n 4049.5581240427
3√n 254.06124651975
4√n 63.63613850669
5√n 27.730841894519

Divisors of 16398921

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 -16398920
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 16398921 can be divided by 8 positive divisors. The sum of these divisors (counting 16398921) is 1, the average is 0.125.

Base conversion 16398921

Base System Value
2 Binary 111110100011101001001001
3 Ternary 1010212011002110
4 Quaternary 332203221021
5 Quinary 13144231141
6 Senary 1343252533
8 Octal 76435111
10 Decimal 16398921
12 Duodecimal 55aa149
16 Hexadecimal fa3a49
20 Vigesimal 529h61
36 Base36 9rhhl

Cryptographic Hash Functions

md5 b934a66be17b762f3324e3117ddb837c
sha1 0f5c7ca0dd85f81f87294d089f9e4256e4c5c339
sha256 c3e6d58035c8e73976ac4a285bdc3bcf13d883b338a642b4338def37069351c7
sha512 3802b6e56c60becc1ca92542d86683d804bb23c9b1faa4fb44798648c3c3534fd4501e1fa90581d7eeb796dafdf9de035d4b059111193c8c052868a570a713ff
ripemd-160 fbbf6432145a12360c39271a47b1685e90348217

16398921 as geometric shapes

Circle

Radius = n
Diameter 32797842
Circumference 103037459.4808
Area 8.4485157903316E+14

Sphere

Radius = n
Volume 1.847287240172E+22
Surface area 3.3794063161326E+15
Circumference 103037459.4808

Square

Length = n
Perimeter 65595684
Area 268924609964241
Diagonal 23191576.486485

Cube

Length = n
Surface area 1613547659785446
Volume 4.4100734337594E+21
Space diagonal 28403764.361308

Equilateral Triangle

Length = n
Perimeter 49196763
Area 1.1644777196593E+14
Altitude 14201882.180654

Triangular Pyramid

Length = n
Surface area 1.1644777196593E+14
Volume 5.1973213842365E+20
Height 7730525.495495