221489779 is an odd 9-digits composite number following 221489778
and preceding 221489780 . In scientific notation, it is written as 2.21489779 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 188682696 positive integers (up to 221489779) that are relatively prime to 221489779.
221489779 has 8 divisors, whose sum is 254685440
The reverse of 221489779 is 977984122
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
two hundred twenty-one million four hundred eighty-nine thousand seven hundred seventy-nine
Scientific notation
2.21489779 × 10^8
Engineering notation
2.21489779 × 10^6
Prime Factorization
7 × 163 × 194119
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221489779
Product of the distinct prime numbers
The prime factorization of 221489779 is 7 × 163 × 194119.
Since it has a total of 3 prime factors.
5 , 5 , 35 , 18 , 519 , 410 , 1754 , 8381 , 94356 , 40076 , 857772 , 204905 , 214449 , 7756250 , 39425230 , 99170887 , 420075033 , 223502054 , 2414813545 , 8294978236
n×2
442979558
n×3
664469337
n×4
885959116
n×5
1107448895
n÷2
110744889.5
n÷3
73829926.333333
n÷3
55372444.75
n÷5
44297955.8
n2
49057722201468841
n3
1.0865784048647E+25
n4
2.4066601075965E+33
n5
5.3305061535966E+41
2 √n
14882.532680965
3 √n
605.04066297737
4 √n
121.99398624918
5 √n
46.673539606684
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
-221489778
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 221489779 can be divided by 8 positive divisors.
The sum of these divisors (counting 221489779) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001100111010101001110011
3
Ternary
120102202211212011
4
Quaternary
31030322221303
5
Quinary
423200133104
6
Senary
33551143351
8
Octal
1514725163
10
Decimal
221489779
12
Duodecimal
62214b57
16
Hexadecimal
d33aa73
20
Vigesimal
394648j
36
Base36
3nvalv
md5
9517e291e7607d5bb720455d806a6107
sha1
4e0ad2cd7e7d0da159512e0406d0c9d53b227f56
sha256
d8961e940d9e902d5115e40c706f162cf3051ef99dfda76881c14d49fadb701c
sha512
bcc450da3a258b7da1c47b7bd652a1a91a75f85d260585d8b61337a80f61246fa0c33ebc6fb7f70877ad193cc2d010fba7a97a12a95efa38f09dc1ace1632e0a
ripemd-160
0f9d9968151a139ad0a14e2c4ad7c32c4368f38b
Diameter
442979558
Circumference
1391661325.1033
Area
1.5411937966998E+17
Volume
4.5514489790296E+25
Surface area
6.1647751867993E+17
Circumference
1391661325.1033
Perimeter
885959116
Area
49057722201468841
Diagonal
313233849.38882
Surface area
294346333208813046
Volume
1.0865784048647E+25
Space diagonal
383631550.5852
Perimeter
664469337
Area
2.1242616839136E+16
Altitude
191815775.2926
Surface area
2.1242616839136E+16
Volume
1.2805449306178E+24
Height
104411283.12961