216965981 (number)

216965981 is an odd 9-digits prime number following 216965980 and preceding 216965982. In scientific notation, it is written as 2.16965981 × 10^8. The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors. There are 216965980 positive integers (up to 216965981) that are relatively prime to 216965981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.16965981 × 10^8
Engineering notation 2.16965981 × 10^6

Prime Factorization of 216965981

Prime Factorization 216965981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 216965981
Product of the distinct prime numbers

The prime factorization of 216965981 is 216965981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 2, 66, 34, 808, 617, 6145, 8948, 11248, 36794, 835217, 466998, 3885596, 8386301, 91906928, 99207627, 422571247, 685169309, 8029000273, 982804399

Basic calculations (n = 216965981)

Multiplication

n×y
n×2 433931962
n×3 650897943
n×4 867863924
n×5 1084829905

Division

n÷y
n÷2 108482990.5
n÷3 72321993.666667
n÷3 54241495.25
n÷5 43393196.2

Exponentiation

ny
n2 47074236911292361
n3 1.0213507991285E+25
n4 2.2159837807805E+33
n5 4.8079309487713E+41

Nth Root

y√n
2√n 14729.765137299
3√n 600.89309682237
4√n 121.36624381309
5√n 46.481306728378

Divisors of 216965981

1, 216965981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 216965982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 108482991
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 14729.765171244
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999990782
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 216965981 can be divided by 2 positive divisors. The sum of these divisors (counting 216965981) is 216965982, the average is 108482991.

Base conversion 216965981

Base System Value
2 Binary 1100111011101010001101011101
3 Ternary 120010021000101002
4 Quaternary 30323222031131
5 Quinary 421020402411
6 Senary 33310200045
8 Octal 1473521535
10 Decimal 216965981
12 Duodecimal 607b3025
16 Hexadecimal ceea35d
20 Vigesimal 37g0ej1
36 Base36 3l6c0t

Cryptographic Hash Functions

md5 7e4a2e5dfe831428e9386e7e49d6a26c
sha1 408b7d733f3018081072a31f883a8574b7562c01
sha256 c4d8d02ba8879355266da43f2f28b2329137994509ae390f03c41d876f3901df
sha512 e500f54bab60b1f27f16fda05b800f02768238d8960ddf42c8bdc4d692f0799215a85c6f377b98602301c3895f2bc160903b4d20b0ddd5ab916dc3e6c6feaf26
ripemd-160 0e35aed1e80d9861405499f5b23aa29b523f4d6e

216965981 as geometric shapes

Circle

Radius = n
Diameter 433931962
Circumference 1363237463.977
Area 1.4788807685386E+17

Sphere

Radius = n
Volume 4.2782242230402E+25
Surface area 5.9155230741545E+17
Circumference 1363237463.977

Square

Length = n
Perimeter 867863924
Area 47074236911292361
Diagonal 306836232.90378

Cube

Length = n
Surface area 282445421467754166
Volume 1.0213507991285E+25
Space diagonal 375796102.60602

Equilateral Triangle

Length = n
Perimeter 650897943
Area 2.0383742514473E+16
Altitude 187898051.30301

Triangular Pyramid

Length = n
Surface area 2.0383742514473E+16
Volume 1.2036734600568E+24
Height 102278744.30126