16981561 (number)

16981561 is an odd 8-digits composite number following 16981560 and preceding 16981562. In scientific notation, it is written as 1.6981561 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 16857472 positive integers (up to 16981561) that are relatively prime to 16981561.

Interesting facts

Basic properties

Name

Name sixteen million nine hundred eighty-one thousand five hundred sixty-one

Notation

Scientific notation 1.6981561 × 10^7
Engineering notation 1.6981561 × 10^6

Prime Factorization of 16981561

Prime Factorization 137 × 123953

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16981561
Product of the distinct prime numbers

The prime factorization of 16981561 is 137 × 123953. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16981561)

Multiplication

n×y
n×2 33963122
n×3 50944683
n×4 67926244
n×5 84907805

Division

n÷y
n÷2 8490780.5
n÷3 5660520.3333333
n÷3 4245390.25
n÷5 3396312.2

Exponentiation

ny
n2 288373413996721
n3 4.8970307205636E+21
n4 8.3159225900124E+28
n5 1.4121734673357E+36

Nth Root

y√n
2√n 4120.8689617604
3√n 257.03516100053
4√n 64.193994748422
5√n 27.925150468851

Divisors of 16981561

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 -16981560
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 16981561 can be divided by 4 positive divisors. The sum of these divisors (counting 16981561) is 1, the average is 0.25.

Base conversion 16981561

Base System Value
2 Binary 1000000110001111000111001
3 Ternary 1011221202022201
4 Quaternary 1000301320321
5 Quinary 13321402221
6 Senary 1403550201
8 Octal 100617071
10 Decimal 16981561
12 Duodecimal 582b361
16 Hexadecimal 1031e39
20 Vigesimal 562di1
36 Base36 a3z21

Cryptographic Hash Functions

md5 e93cb227b815551837780c2d1afe3cb5
sha1 aeb6c4b9c32b380f77b47b2d1355d3e65b83e201
sha256 8fa255e361288a7695955e6795641953acce1dffe42ff6f90c10ac29d127f164
sha512 ee795a3b3ef608d5f664c55833ae92c7deba35857dc23f3e7ac6975d5d495e26b6926ff73597bb4595bb3118ca5f6ce5801d7c41545664fbf3f0d36242a31397
ripemd-160 3b8ec231884ff5bab83b294c69d77c6086edc3c7

16981561 as geometric shapes

Circle

Radius = n
Diameter 33963122
Circumference 106698294.56817
Area 9.0595179890271E+14

Sphere

Radius = n
Volume 2.0512634314835E+22
Surface area 3.6238071956108E+15
Circumference 106698294.56817

Square

Length = n
Perimeter 67926244
Area 288373413996721
Diagonal 24015553.876466

Cube

Length = n
Surface area 1730240483980326
Volume 4.8970307205636E+21
Space diagonal 29412926.44383

Equilateral Triangle

Length = n
Perimeter 50944683
Area 1.248693511486E+14
Altitude 14706463.221915

Triangular Pyramid

Length = n
Surface area 1.248693511486E+14
Volume 5.7712060503156E+20
Height 8005184.6254887