16455721 (number)

16455721 is an odd 8-digits composite number following 16455720 and preceding 16455722. In scientific notation, it is written as 1.6455721 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 16387200 positive integers (up to 16455721) that are relatively prime to 16455721.

Interesting facts

Basic properties

Name

Name sixteen million four hundred fifty-five thousand seven hundred twenty-one

Notation

Scientific notation 1.6455721 × 10^7
Engineering notation 1.6455721 × 10^6

Prime Factorization of 16455721

Prime Factorization 241 × 68281

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16455721
Product of the distinct prime numbers

The prime factorization of 16455721 is 241 × 68281. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16455721)

Multiplication

n×y
n×2 32911442
n×3 49367163
n×4 65822884
n×5 82278605

Division

n÷y
n÷2 8227860.5
n÷3 5485240.3333333
n÷3 4113930.25
n÷5 3291144.2

Exponentiation

ny
n2 270790753629841
n3 4.4560570911124E+21
n4 7.3327632251417E+28
n5 1.2066590579199E+36

Nth Root

y√n
2√n 4056.5651726553
3√n 254.35423428978
4√n 63.691170288002
5√n 27.750025279743

Divisors of 16455721

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 -16455720
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 16455721 can be divided by 4 positive divisors. The sum of these divisors (counting 16455721) is 1, the average is 0.25.

Base conversion 16455721

Base System Value
2 Binary 111110110001100000101001
3 Ternary 1010222001000011
4 Quaternary 332301200221
5 Quinary 13203040341
6 Senary 1344411521
8 Octal 76614051
10 Decimal 16455721
12 Duodecimal 5616ba1
16 Hexadecimal fb1829
20 Vigesimal 52gj61
36 Base36 9spbd

Cryptographic Hash Functions

md5 9b35b28dc5ba411df05d7f9384dfb5c4
sha1 bdd3be4c33be0e5936d1f002820d967d5a30133c
sha256 0fb0d6da41078248fbe1842b15cba73a8ce9657e2627e67ed84b2aac8aae99eb
sha512 36e592cb036609f508c63cad6b17f31e888c96a5b15891a8754e166fb65fbdcb615d2c8b9721d05dfff24fdff736da32259f0aa20bbd1474c3236835d50b8c67
ripemd-160 8ab5e3287e3b8c96fafff16f98aaf92fca070493

16455721 as geometric shapes

Circle

Radius = n
Diameter 32911442
Circumference 103394344.40625
Area 8.5071424226355E+14

Sphere

Radius = n
Volume 1.8665488295221E+22
Surface area 3.4028569690542E+15
Circumference 103394344.40625

Square

Length = n
Perimeter 65822884
Area 270790753629841
Diagonal 23271903.816828

Cube

Length = n
Surface area 1624744521779046
Volume 4.4560570911124E+21
Space diagonal 28502144.847178

Equilateral Triangle

Length = n
Perimeter 49367163
Area 1.1725583587669E+14
Altitude 14251072.423589

Triangular Pyramid

Length = n
Surface area 1.1725583587669E+14
Volume 5.2515136441333E+20
Height 7757301.2722759