221578638 is an even 9-digits composite number following 221578637
and preceding 221578639 . In scientific notation, it is written as 2.21578638 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 71476920 positive integers (up to 221578638) that are relatively prime to 221578638.
221578638 has 8 divisors, whose sum is 335942088
The reverse of 221578638 is 836875122
Previous prime number is 93
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred twenty-one million five hundred seventy-eight thousand six hundred thirty-eight
Scientific notation
2.21578638 × 10^8
Engineering notation
2.21578638 × 10^6
Prime Factorization
2 × 93 × 1191283
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221578638
Product of the distinct prime numbers
The prime factorization of 221578638 is 2 × 93 × 1191283.
Since it has a total of 3 prime factors.
3 , 3 , 10 , 33 , 367 , 765 , 1076 , 497 , 13612 , 85988 , 363908 , 494585 , 8676765 , 3643348 , 71328236 , 75340243 , 660466628 , 858283298 , 4628406029 , 6313210299
n×2
443157276
n×3
664735914
n×4
886314552
n×5
1107893190
n÷2
110789319
n÷3
73859546
n÷3
55394659.5
n÷5
44315727.6
n2
49097092817935044
n3
1.0878866956358E+25
n4
2.4105245231729E+33
n5
5.3412074071026E+41
2 √n
14885.517726972
3 √n
605.12156380627
4 √n
122.00622003395
5 √n
46.677283976908
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
-221578637
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 221578638 can be divided by 8 positive divisors.
The sum of these divisors (counting 221578638) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001101010000010110001110
3
Ternary
120102221100202020
4
Quaternary
31031100112032
5
Quinary
423211004023
6
Senary
33553111010
8
Octal
1515202616
10
Decimal
221578638
12
Duodecimal
62258466
16
Hexadecimal
d35058e
20
Vigesimal
394h6bi
36
Base36
3nx766
md5
48edccd2c9159dc41168d4f5d63857d7
sha1
d324baeffaab99a0f4ff8eef78cc4a08438ebc84
sha256
3db7a32f8434ec02a149db58eea15d84ad414bda229cdaf3ef9336bb06fdbdf3
sha512
92f62a5bb20bd7396ea7e5b4197b1ccb33269d3e5bffaf1c1da9c2af808b0f765858d2fe08ddeeaae9bfdcf50534680dcf50a7545f2cc003b8b76591e86e5000
ripemd-160
900f7be6a8c985da36a1434e55e778626e70aa60
Diameter
443157276
Circumference
1392219642.6665
Area
1.5424306610944E+17
Volume
4.5569291345965E+25
Surface area
6.1697226443776E+17
Circumference
1392219642.6665
Perimeter
886314552
Area
49097092817935044
Diagonal
313359514.99176
Surface area
294582556907610264
Volume
1.0878866956358E+25
Space diagonal
383785458.88791
Perimeter
664735914
Area
2.1259664816147E+16
Altitude
191892729.44396
Surface area
2.1259664816147E+16
Volume
1.2820867660778E+24
Height
104453171.66392