221297691 is an odd 9-digits composite number following 221297690
and preceding 221297692 . In scientific notation, it is written as 2.21297691 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 145113120 positive integers (up to 221297691) that are relatively prime to 221297691.
221297691 has 8 divisors, whose sum is 299900944
The reverse of 221297691 is 196792122
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred twenty-one million two hundred ninety-seven thousand six hundred ninety-one
Scientific notation
2.21297691 × 10^8
Engineering notation
2.21297691 × 10^6
Prime Factorization
3 × 61 × 1209277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221297691
Product of the distinct prime numbers
The prime factorization of 221297691 is 3 × 61 × 1209277.
Since it has a total of 3 prime factors.
7 , 8 , 53 , 79 , 837 , 116 , 5648 , 4097 , 27657 , 41425 , 285361 , 82846 , 4162650 , 7731399 , 8053157 , 47300208 , 462128967 , 470616971 , 8464190039 , 7584779019
n×2
442595382
n×3
663893073
n×4
885190764
n×5
1106488455
n÷2
110648845.5
n÷3
73765897
n÷3
55324422.75
n÷5
44259538.2
n2
48972668041931481
n3
1.0837538359789E+25
n4
2.3983222151452E+33
n5
5.3074316848564E+41
2 √n
14876.077809692
3 √n
604.86570431737
4 √n
121.96752768541
5 √n
46.665441229722
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
-221297690
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 221297691 can be divided by 8 positive divisors.
The sum of these divisors (counting 221297691) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001100001011110000011011
3
Ternary
120102102002100210
4
Quaternary
31030023300123
5
Quinary
423123011231
6
Senary
33543102203
8
Octal
1514136033
10
Decimal
221297691
12
Duodecimal
62141963
16
Hexadecimal
d30bc1b
20
Vigesimal
393244b
36
Base36
3nr6e3
md5
2129aab2fd1df214789b33754aeaf6db
sha1
dcb73b9d6d50c9e8d63e6334d3431a882e72250e
sha256
50cb48994e11c50554baeec5ec1fd76a8769f21f80b3600dc6d43ff9ff26190b
sha512
c10322a61a0cc1adbbaffad4f4e866baacf6930e402a20e9e3d18494d95cd67e517c7627d28e535001299e7c52b6ec84e035d44ec05de967696c23764d4eb3c6
ripemd-160
6c39e56b985db14c32cd63b1d68abe3310f1775d
Diameter
442595382
Circumference
1390454400.604
Area
1.5385217414722E+17
Volume
4.5396174525481E+25
Surface area
6.1540869658889E+17
Circumference
1390454400.604
Perimeter
885190764
Area
48972668041931481
Diagonal
312962195.93405
Surface area
293836008251588886
Volume
1.0837538359789E+25
Space diagonal
383298844.40968
Perimeter
663893073
Area
2.1205787307707E+16
Altitude
191649422.20484
Surface area
2.1205787307707E+16
Volume
1.2772161442627E+24
Height
104320731.97802