16401721 (number)

16401721 is an odd 8-digits composite number following 16401720 and preceding 16401722. In scientific notation, it is written as 1.6401721 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors. There are 13896960 positive integers (up to 16401721) that are relatively prime to 16401721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6401721 × 10^7
Engineering notation 1.6401721 × 10^6

Prime Factorization of 16401721

Prime Factorization 7 × 7 × 89 × 3761

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2343103
Product of the distinct prime numbers

The prime factorization of 16401721 is 7 × 7 × 89 × 3761. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16401721)

Multiplication

n×y
n×2 32803442
n×3 49205163
n×4 65606884
n×5 82008605

Division

n÷y
n÷2 8200860.5
n÷3 5467240.3333333
n÷3 4100430.25
n÷5 3280344.2

Exponentiation

ny
n2 269016451761841
n3 4.4123327862077E+21
n4 7.2369851318531E+28
n5 1.186990110138E+36

Nth Root

y√n
2√n 4049.9038260186
3√n 254.07570541833
4√n 63.638854688143
5√n 27.73178879895

Divisors of 16401721

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16401720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16401721 can be divided by 12 positive divisors. The sum of these divisors (counting 16401721) is 1, the average is 0.083333333333333.

Base conversion 16401721

Base System Value
2 Binary 111110100100010100111001
3 Ternary 1010212021221011
4 Quaternary 332210110321
5 Quinary 13144323341
6 Senary 1343313521
8 Octal 76442471
10 Decimal 16401721
12 Duodecimal 55ab8a1
16 Hexadecimal fa4539
20 Vigesimal 52a461
36 Base36 9rjnd

Cryptographic Hash Functions

md5 751ee419cbfddc30c539269baaf03029
sha1 0fbfa41efd7c73dad5f0d1d18b7f1d64b37eb922
sha256 9d09531bdc091c82ef328f404008d16d8a40a6740480ab58743edbd4db0f5c34
sha512 8c5165d58280fa9d37b79cb620efa308a7856a7823a54ff6fb77895379e33b0a4374f3eb48c9d19a080dd1622b3eb38d367698db18ff3d415e3805cd5d998022
ripemd-160 94ef3f968325a5ae30fd3a920b13e957adcc09f8

16401721 as geometric shapes

Circle

Radius = n
Diameter 32803442
Circumference 103055052.39966
Area 8.4514010854979E+14

Sphere

Radius = n
Volume 1.8482336355125E+22
Surface area 3.3805604341992E+15
Circumference 103055052.39966

Square

Length = n
Perimeter 65606884
Area 269016451761841
Diagonal 23195536.28446

Cube

Length = n
Surface area 1614098710571046
Volume 4.4123327862077E+21
Space diagonal 28408614.103569

Equilateral Triangle

Length = n
Perimeter 49205163
Area 1.1648754063085E+14
Altitude 14204307.051785

Triangular Pyramid

Length = n
Surface area 1.1648754063085E+14
Volume 5.199984056632E+20
Height 7731845.4281532