16616981 (number)

16616981 is an odd 8-digits composite number following 16616980 and preceding 16616982. In scientific notation, it is written as 1.6616981 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 16586592 positive integers (up to 16616981) that are relatively prime to 16616981.

Interesting facts

Basic properties

Name

Name sixteen million six hundred sixteen thousand nine hundred eighty-one

Notation

Scientific notation 1.6616981 × 10^7
Engineering notation 1.6616981 × 10^6

Prime Factorization of 16616981

Prime Factorization 557 × 29833

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16616981
Product of the distinct prime numbers

The prime factorization of 16616981 is 557 × 29833. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16616981)

Multiplication

n×y
n×2 33233962
n×3 49850943
n×4 66467924
n×5 83084905

Division

n÷y
n÷2 8308490.5
n÷3 5538993.6666667
n÷3 4154245.25
n÷5 3323396.2

Exponentiation

ny
n2 276124057554361
n3 4.5883482180237E+21
n4 7.6244495160284E+28
n5 1.266953327433E+36

Nth Root

y√n
2√n 4076.3931360947
3√n 255.18239417758
4√n 63.8466376256
5√n 27.804201335522

Divisors of 16616981

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 -16616980
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 16616981 can be divided by 4 positive divisors. The sum of these divisors (counting 16616981) is 1, the average is 0.25.

Base conversion 16616981

Base System Value
2 Binary 111111011000111000010101
3 Ternary 1011021020012202
4 Quaternary 333120320111
5 Quinary 13223220411
6 Senary 1352054245
8 Octal 77307025
10 Decimal 16616981
12 Duodecimal 5694385
16 Hexadecimal fd8e15
20 Vigesimal 53h291
36 Base36 9w5qt

Cryptographic Hash Functions

md5 45eab0e74cb7bb14faf7343218c232a2
sha1 e6b599929b24921d155466127a25b2771cca30c9
sha256 e1dacf85f03fe516b54472159aa97e979d2728e11f73895c5ddae8491b02357d
sha512 0d92666a631809dafb9337fed9fa314af2df7325816880d89a52931622fecbda579f894e911ce2fc929ed60447c01517e373c5df1a8a66628ceca3ba5d773cdd
ripemd-160 3effd6f317ae51313087fc4c3334a3af6be85f70

16616981 as geometric shapes

Circle

Radius = n
Diameter 33233962
Circumference 104407570.86888
Area 8.6746931069219E+14

Sphere

Radius = n
Volume 1.9219628071807E+22
Surface area 3.4698772427687E+15
Circumference 104407570.86888

Square

Length = n
Perimeter 66467924
Area 276124057554361
Diagonal 23499959.895896

Cube

Length = n
Surface area 1656744345326166
Volume 4.5883482180237E+21
Space diagonal 28781455.360407

Equilateral Triangle

Length = n
Perimeter 49850943
Area 1.1956522421906E+14
Altitude 14390727.680203

Triangular Pyramid

Length = n
Surface area 1.1956522421906E+14
Volume 5.4074202323496E+20
Height 7833319.9652987