16721640 (number)

16721640 is an even 8-digits composite number following 16721639 and preceding 16721641. In scientific notation, it is written as 1.6721640 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors. There are 4105728 positive integers (up to 16721640) that are relatively prime to 16721640.

Interesting facts

Basic properties

Name

Name sixteen million seven hundred twenty-one thousand six hundred forty

Notation

Scientific notation 1.6721640 × 10^7
Engineering notation 1.6721640 × 10^6

Prime Factorization of 16721640

Prime Factorization 2 × 2 × 2 × 585 × 9 × 397

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 4180410
Product of the distinct prime numbers

The prime factorization of 16721640 is 2 × 2 × 2 × 585 × 9 × 397. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16721640)

Multiplication

n×y
n×2 33443280
n×3 50164920
n×4 66886560
n×5 83608200

Division

n÷y
n÷2 8360820
n÷3 5573880
n÷3 4180410
n÷5 3344328

Exponentiation

ny
n2 279613244289600
n3 4.6755920102427E+21
n4 7.8183566382156E+28
n5 1.3073574509585E+36

Nth Root

y√n
2√n 4089.21019269
3√n 255.71701314302
4√n 63.946932629251
5√n 27.83913736092

Divisors of 16721640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16721639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16721640 can be divided by 32 positive divisors. The sum of these divisors (counting 16721640) is 1, the average is 0.03125.

Base conversion 16721640

Base System Value
2 Binary 111111110010011011101000
3 Ternary 1011110112210000
4 Quaternary 333302123220
5 Quinary 13240043030
6 Senary 1354223000
8 Octal 77623350
10 Decimal 16721640
12 Duodecimal 5724a60
16 Hexadecimal ff26e8
20 Vigesimal 54a420
36 Base36 9yei0

Cryptographic Hash Functions

md5 862ffb305ebe72107e9b3d19e230a20f
sha1 7efd3a52f602a37f547eb52837c0d419aebc5784
sha256 579f973e00d9de3c85808d9f53d4ea983daeb2e1fa38625efea1a545754d74d4
sha512 4c2f64140ce9112afc6907f933a23ba565ac3146c2f7d4bc9531114607f3fdf7a83d515cfb2cde02879116897801a090dc4f099957fcd664b5938e16351e2b7b
ripemd-160 91e025b8a8e91f5a32244d3af10d8ac7aec76645

16721640 as geometric shapes

Circle

Radius = n
Diameter 33443280
Circumference 105065162.75995
Area 8.7843091410662E+14

Sphere

Radius = n
Volume 1.9585074014082E+22
Surface area 3.5137236564265E+15
Circumference 105065162.75995

Square

Length = n
Perimeter 66886560
Area 279613244289600
Diagonal 23647970.07312

Cube

Length = n
Surface area 1677679465737600
Volume 4.6755920102427E+21
Space diagonal 28962730.065876

Equilateral Triangle

Length = n
Perimeter 50164920
Area 1.2107608639469E+14
Altitude 14481365.032938

Triangular Pyramid

Length = n
Surface area 1.2107608639469E+14
Volume 5.5102380275071E+20
Height 7882656.6910401