16516981 (number)

16516981 is an odd 8-digits composite number following 16516980 and preceding 16516982. In scientific notation, it is written as 1.6516981 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 15246432 positive integers (up to 16516981) that are relatively prime to 16516981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6516981 × 10^7
Engineering notation 1.6516981 × 10^6

Prime Factorization of 16516981

Prime Factorization 13 × 1270537

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16516981
Product of the distinct prime numbers

The prime factorization of 16516981 is 13 × 1270537. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16516981)

Multiplication

n×y
n×2 33033962
n×3 49550943
n×4 66067924
n×5 82584905

Division

n÷y
n÷2 8258490.5
n÷3 5505660.3333333
n÷3 4129245.25
n÷5 3303396.2

Exponentiation

ny
n2 272810661354361
n3 4.5060085101874E+21
n4 7.4425656948604E+28
n5 1.2292871617326E+36

Nth Root

y√n
2√n 4064.1088814155
3√n 254.66947308141
4√n 63.75036377477
5√n 27.770655682873

Divisors of 16516981

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 -16516980
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 16516981 can be divided by 4 positive divisors. The sum of these divisors (counting 16516981) is 1, the average is 0.25.

Base conversion 16516981

Base System Value
2 Binary 111111000000011101110101
3 Ternary 1011002011001001
4 Quaternary 333000131311
5 Quinary 13212020411
6 Senary 1350003301
8 Octal 77003565
10 Decimal 16516981
12 Duodecimal 5646531
16 Hexadecimal fc0775
20 Vigesimal 534c91
36 Base36 9u0l1

Cryptographic Hash Functions

md5 17d4e5fa9882c288da65ab78baaf0975
sha1 ad2ae6f5275e1f527fbc82d06dc3e23bacdb375a
sha256 93c34980d868f21fcd59ee04efbcd90953a578d4607fd009660f61be00a941ca
sha512 d8fd5949f68dc34fd45c424617948d9b700bd7890e548dc14c49832d5865f072e039191d572aed7eb394a24ca8d34c90e1934619e07295c5ac141c0dc8f36bae
ripemd-160 e1c068af9cebb3506de29a96804ed975a21c58e5

16516981 as geometric shapes

Circle

Radius = n
Diameter 33033962
Circumference 103779252.33816
Area 8.5705996953183E+14

Sphere

Radius = n
Volume 1.8874724310157E+22
Surface area 3.4282398781273E+15
Circumference 103779252.33816

Square

Length = n
Perimeter 66067924
Area 272810661354361
Diagonal 23358538.539659

Cube

Length = n
Surface area 1636863968126166
Volume 4.5060085101874E+21
Space diagonal 28608250.27965

Equilateral Triangle

Length = n
Perimeter 49550943
Area 1.1813048157806E+14
Altitude 14304125.139825

Triangular Pyramid

Length = n
Surface area 1.1813048157806E+14
Volume 5.310381956063E+20
Height 7786179.5132196