221409915 is an odd 9-digits composite number following 221409914
and preceding 221409916 . In scientific notation, it is written as 2.21409915 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 117960192 positive integers (up to 221409915) that are relatively prime to 221409915.
221409915 has 8 divisors, whose sum is 236420800
The reverse of 221409915 is 519904122
Previous prime number is 1009
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred twenty-one million four hundred nine thousand nine hundred fifteen
Scientific notation
2.21409915 × 10^8
Engineering notation
2.21409915 × 10^6
Prime Factorization
15 × 1009 × 14629
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221409915
Product of the distinct prime numbers
The prime factorization of 221409915 is 15 × 1009 × 14629.
Since it has a total of 3 prime factors.
10 , 4 , 74 , 80 , 770 , 456 , 6295 , 7698 , 88952 , 61969 , 19698 , 920187 , 5931142 , 3726510 , 94907235 , 8505999 , 218627604 , 196766719 , 9498695969 , 6087879032
n×2
442819830
n×3
664229745
n×4
885639660
n×5
1107049575
n÷2
110704957.5
n÷3
73803305
n÷3
55352478.75
n÷5
44281983
n2
49022350460307225
n3
1.0854034448517E+25
n4
2.4031908446532E+33
n5
5.3209028064344E+41
2 √n
14879.849293592
3 √n
604.96793309537
4 √n
121.98298772202
5 √n
46.670173245198
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
-221409914
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 221409915 can be divided by 8 positive divisors.
The sum of these divisors (counting 221409915) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001100100111001001111011
3
Ternary
120102121210022020
4
Quaternary
31030213021323
5
Quinary
423140104130
6
Senary
33545325523
8
Octal
1514471173
10
Decimal
221409915
12
Duodecimal
621968a3
16
Hexadecimal
d32727b
20
Vigesimal
393g4ff
36
Base36
3ntkzf
md5
2bd4a528d3236906572c345682c09b16
sha1
19174928279877254a7a98f4b5d7dab1872f15c5
sha256
f341f611f0129ff0e4ef9d8a4134ea73bdfc92a7a3bc080341e29739d08a757c
sha512
f0fbcc9d50c1d99cef1d655064ad69e22b882e4498151fd3040eae7f1b8056bd2ddcf9843624533d2e68d8d3c2c24b529bcce818d50b1195b03258454343e7e2
ripemd-160
97c314facca2cb577153b959eb81ab53dc58222d
Diameter
442819830
Circumference
1391159524.7919
Area
1.5400825606781E+17
Volume
4.5465273180361E+25
Surface area
6.1603302427122E+17
Circumference
1391159524.7919
Perimeter
885639660
Area
49022350460307225
Diagonal
313120904.63687
Surface area
294134102761843350
Volume
1.0854034448517E+25
Space diagonal
383493222.07951
Perimeter
664229745
Area
2.1227300425925E+16
Altitude
191746611.03975
Surface area
2.1227300425925E+16
Volume
1.2791602269631E+24
Height
104373634.87896