216967981 (number)

216967981 is an odd 9-digits composite number following 216967980 and preceding 216967982. In scientific notation, it is written as 2.16967981 × 10^8. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 211716960 positive integers (up to 216967981) that are relatively prime to 216967981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.16967981 × 10^8
Engineering notation 2.16967981 × 10^6

Prime Factorization of 216967981

Prime Factorization 43 × 1481 × 3407

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 216967981
Product of the distinct prime numbers

The prime factorization of 216967981 is 43 × 1481 × 3407. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 2, 71, 57, 12, 910, 4267, 7844, 66492, 28717, 402425, 884541, 6300772, 2943605, 56969323, 34067712, 290481520, 796513928, 6723013969, 1481223974

Basic calculations (n = 216967981)

Multiplication

n×y
n×2 433935962
n×3 650903943
n×4 867871924
n×5 1084839905

Division

n÷y
n÷2 108483990.5
n÷3 72322660.333333
n÷3 54241995.25
n÷5 43393596.2

Exponentiation

ny
n2 47075104779216361
n3 1.021379043931E+25
n4 2.2160654899742E+33
n5 4.8081525512348E+41

Nth Root

y√n
2√n 14729.833026888
3√n 600.89494316789
4√n 121.3665235017
5√n 46.481392421324

Divisors of 216967981

1, 43, 1481, 3407, 63683, 146501, 5045767, 216967981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -216967980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 216967981 can be divided by 8 positive divisors. The sum of these divisors (counting 216967981) is 1, the average is 0.125.

Base conversion 216967981

Base System Value
2 Binary 1100111011101010101100101101
3 Ternary 120010021010010011
4 Quaternary 30323222230231
5 Quinary 421020433411
6 Senary 33310213221
8 Octal 1473525455
10 Decimal 216967981
12 Duodecimal 607b4211
16 Hexadecimal ceeab2d
20 Vigesimal 37g0jj1
36 Base36 3l6dkd

Cryptographic Hash Functions

md5 71d79aab3a70317d984537a6a3a4b2e6
sha1 8e6c3481b5c7d16ea56ea8099f9f4f46dd638628
sha256 01a839c598d89661796a37525c52755983b92726292e46bfc00d801f7336dc3f
sha512 6b934f1575e21c144bbd957e291fc3fc621a4a0f355f99ba29331950f096c4935b1e10cd561ffec1380e05169710a32bed12c9f81a4879745eed14d2aeb7d561
ripemd-160 244344ac4c11056617a887ccad108eaafa5988b7

216967981 as geometric shapes

Circle

Radius = n
Diameter 433935962
Circumference 1363250030.3476
Area 1.4789080334136E+17

Sphere

Radius = n
Volume 4.2783425345923E+25
Surface area 5.9156321336542E+17
Circumference 1363250030.3476

Square

Length = n
Perimeter 867871924
Area 47075104779216361
Diagonal 306839061.33091

Cube

Length = n
Surface area 282450628675298166
Volume 1.021379043931E+25
Space diagonal 375799566.70764

Equilateral Triangle

Length = n
Perimeter 650903943
Area 2.0384118312308E+16
Altitude 187899783.35382

Triangular Pyramid

Length = n
Surface area 2.0384118312308E+16
Volume 1.2037067468757E+24
Height 102279687.1103