221566991 (number)

221566991 is an odd 9-digits composite number following 221566990 and preceding 221566992. In scientific notation, it is written as 2.21566991 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 221339232 positive integers (up to 221566991) that are relatively prime to 221566991.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million five hundred sixty-six thousand nine hundred ninety-one

Notation

Scientific notation 2.21566991 × 10^8
Engineering notation 2.21566991 × 10^6

Prime Factorization of 221566991

Prime Factorization 977 × 226783

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221566991
Product of the distinct prime numbers

The prime factorization of 221566991 is 977 × 226783. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221566991)

Multiplication

n×y
n×2 443133982
n×3 664700973
n×4 886267964
n×5 1107834955

Division

n÷y
n÷2 110783495.5
n÷3 73855663.666667
n÷3 55391747.75
n÷5 44313398.2

Exponentiation

ny
n2 49091931500794081
n3 1.0877151545009E+25
n4 2.4100177384787E+33
n5 5.3398037857134E+41

Nth Root

y√n
2√n 14885.126502654
3√n 605.11096113806
4√n 122.0046167268
5√n 46.676793260148

Divisors of 221566991

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 -221566990
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 221566991 can be divided by 4 positive divisors. The sum of these divisors (counting 221566991) is 1, the average is 0.25.

Base conversion 221566991

Base System Value
2 Binary 1101001101001101100000001111
3 Ternary 120102220202202212
4 Quaternary 31031031200033
5 Quinary 423210120431
6 Senary 33552541035
8 Octal 1515154017
10 Decimal 221566991
12 Duodecimal 6225177b
16 Hexadecimal d34d80f
20 Vigesimal 394fh9b
36 Base36 3nwy6n

Cryptographic Hash Functions

md5 dbf9c1f523ff2d3c5f8239ec89c0c985
sha1 ad3cc368d676a59cdc544362fb9a022605098d95
sha256 b33a4b8baae2d10413d2abb268c11e606216ece162fa23198ab0b430cc67a853
sha512 288b9c81c8fbb60be7ec8c1e11534dc122a924a724d1ce935b197bad380004c7576a24f64a58ec0354d39bfb6d29f9506426e5384c8e8a81e99856d12fcec1b5
ripemd-160 87478684349e141b8f07aed1939ccde7dd7fae17

221566991 as geometric shapes

Circle

Radius = n
Diameter 443133982
Circumference 1392146462.4072
Area 1.5422685135343E+17

Sphere

Radius = n
Volume 4.5562105847711E+25
Surface area 6.1690740541371E+17
Circumference 1392146462.4072

Square

Length = n
Perimeter 886267964
Area 49091931500794081
Diagonal 313343043.6464

Cube

Length = n
Surface area 294551589004764486
Volume 1.0877151545009E+25
Space diagonal 383765285.69216

Equilateral Triangle

Length = n
Perimeter 664700973
Area 2.1257429900267E+16
Altitude 191882642.84608

Triangular Pyramid

Length = n
Surface area 2.1257429900267E+16
Volume 1.2818846029116E+24
Height 104447681.21547