221245981 (number)

221245981 is an odd 9-digits composite number following 221245980 and preceding 221245982. In scientific notation, it is written as 2.21245981 × 10^8. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 201132700 positive integers (up to 221245981) that are relatively prime to 221245981.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million two hundred forty-five thousand nine hundred eighty-one

Notation

Scientific notation 2.21245981 × 10^8
Engineering notation 2.21245981 × 10^6

Prime Factorization of 221245981

Prime Factorization 11 × 20113271

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221245981
Product of the distinct prime numbers

The prime factorization of 221245981 is 11 × 20113271. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 8, 84, 62, 295, 370, 3439, 1421, 64637, 35622, 69433, 160526, 8271986, 3234388, 86722331, 11709810, 269993239, 470590497, 7940231312, 1222226851

Basic calculations (n = 221245981)

Multiplication

n×y
n×2 442491962
n×3 663737943
n×4 884983924
n×5 1106229905

Division

n÷y
n÷2 110622990.5
n÷3 73748660.333333
n÷3 55311495.25
n÷5 44249196.2

Exponentiation

ny
n2 48949784108652361
n3 1.0829943004857E+25
n4 2.3960813642837E+33
n5 5.3012337199676E+41

Nth Root

y√n
2√n 14874.339682823
3√n 604.81858823296
4√n 121.96040210996
5√n 46.663260189759

Divisors of 221245981

1, 11, 20113271, 221245981

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 -221245980
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 221245981 can be divided by 4 positive divisors. The sum of these divisors (counting 221245981) is 1, the average is 0.25.

Base conversion 221245981

Base System Value
2 Binary 1101001011111111001000011101
3 Ternary 120102022110102121
4 Quaternary 31023333020131
5 Quinary 423114332411
6 Senary 33542022541
8 Octal 1513771035
10 Decimal 221245981
12 Duodecimal 62117a51
16 Hexadecimal d2ff21d
20 Vigesimal 392fej1
36 Base36 3nq2hp

Cryptographic Hash Functions

md5 a7d109ef6b067c200967881919c3ed46
sha1 b72b4f3035430a7abb02a6a1f69e8234ab2d4fe6
sha256 95f64f1ca6aff8a208f632fd5224a446036bd5c5825ec270a50097bbffa496e3
sha512 5a8252b9db2d5b9e23c180e067a713a837913cccf571437e836c4ba83ee262c2d6c0ba384fce85586d06b2a9a85f7b0f4b67d050e39eb48dc8968ce77d0f8da3
ripemd-160 c66cb22f6a36c3c1c272d7a1d86dd507d6725821

221245981 as geometric shapes

Circle

Radius = n
Diameter 442491962
Circumference 1390129497.0917
Area 1.5378028215055E+17

Sphere

Radius = n
Volume 4.536435917714E+25
Surface area 6.1512112860219E+17
Circumference 1390129497.0917

Square

Length = n
Perimeter 884983924
Area 48949784108652361
Diagonal 312889066.95074

Cube

Length = n
Surface area 293698704651914166
Volume 1.0829943004857E+25
Space diagonal 383209280.06242

Equilateral Triangle

Length = n
Perimeter 663737943
Area 2.1195878273928E+16
Altitude 191604640.03121

Triangular Pyramid

Length = n
Surface area 2.1195878273928E+16
Volume 1.2763210230997E+24
Height 104296355.65025