221638961 (number)

221638961 is an odd 9-digits prime number following 221638960 and preceding 221638962. In scientific notation, it is written as 2.21638961 × 10^8. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 221638960 positive integers (up to 221638961) that are relatively prime to 221638961.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million six hundred thirty-eight thousand nine hundred sixty-one

Notation

Scientific notation 2.21638961 × 10^8
Engineering notation 2.21638961 × 10^6

Prime Factorization of 221638961

Prime Factorization 221638961

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 221638961
Product of the distinct prime numbers

The prime factorization of 221638961 is 221638961. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 2, 56, 3, 244, 374, 9849, 6241, 57329, 58598, 13274, 911459, 534337, 4226120, 66095901, 94635136, 45541537, 973136422, 2582284777, 8601324204

Basic calculations (n = 221638961)

Multiplication

n×y
n×2 443277922
n×3 664916883
n×4 886555844
n×5 1108194805

Division

n÷y
n÷2 110819480.5
n÷3 73879653.666667
n÷3 55409740.25
n÷5 44327792.2

Exponentiation

ny
n2 49123829033159521
n3 1.0887754427251E+25
n4 2.4131505788791E+33
n5 5.3484818703931E+41

Nth Root

y√n
2√n 14887.543820255
3√n 605.17647198153
4√n 122.01452298909
5√n 46.679825203134

Divisors of 221638961

1, 221638961

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 221638962
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 110819481
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 14887.54385384
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999909763
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221638961 can be divided by 2 positive divisors. The sum of these divisors (counting 221638961) is 221638962, the average is 110819481.

Base conversion 221638961

Base System Value
2 Binary 1101001101011111000100110001
3 Ternary 120110001102111102
4 Quaternary 31031133010301
5 Quinary 423214421321
6 Senary 33554254145
8 Octal 1515370461
10 Decimal 221638961
12 Duodecimal 62287355
16 Hexadecimal d35f131
20 Vigesimal 3954h81
36 Base36 3nyhpt

Cryptographic Hash Functions

md5 efefc075b8f64f573d691b21848526e8
sha1 7fd2d879a430877839438972f7414592455e1b0b
sha256 74f54500bef7188d0437bab89afedea1e99d8cd0d43fae1057b67034b3e82976
sha512 c824eb006f3465a07625568446c1ad6f5cb90b9cb94e5cab65015c782e90a5ac7a477b77c2c86a59ae586acc3314e196047349d51cfa947973320978fe064247
ripemd-160 b751d87c78dada96dd53910861c49122120c1a50

221638961 as geometric shapes

Circle

Radius = n
Diameter 443277922
Circumference 1392598663.2537
Area 1.5432706040677E+17

Sphere

Radius = n
Volume 4.5606519096989E+25
Surface area 6.173082416271E+17
Circumference 1392598663.2537

Square

Length = n
Perimeter 886555844
Area 49123829033159521
Diagonal 313444824.59648

Cube

Length = n
Surface area 294742974198957126
Volume 1.0887754427251E+25
Space diagonal 383889941.38878

Equilateral Triangle

Length = n
Perimeter 664916883
Area 2.127124193694E+16
Altitude 191944970.69439

Triangular Pyramid

Length = n
Surface area 2.127124193694E+16
Volume 1.2831341645672E+24
Height 104481608.19883