221561531 is an odd 9-digits prime number following 221561530
and preceding 221561532 . In scientific notation, it is written as 2.21561531 × 10^8.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 221561530 positive integers (up to 221561531) that are relatively prime to 221561531.
221561531 has 2 divisors, whose sum is 221561532
The reverse of 221561531 is 135165122
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
two hundred twenty-one million five hundred sixty-one thousand five hundred thirty-one
Scientific notation
2.21561531 × 10^8
Engineering notation
2.21561531 × 10^6
Prime Factorization
221561531
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
221561531
Product of the distinct prime numbers
The prime factorization of 221561531 is 221561531.
Since it has a total of 1 prime factors.
10 , 1 , 85 , 37 , 748 , 40 , 9747 , 7336 , 3039 , 91172 , 166089 , 759891 , 5425355 , 9538947 , 72279091 , 49976530 , 851501892 , 864473877 , 7605164001 , 1362059262
n×2
443123062
n×3
664684593
n×4
886246124
n×5
1107807655
n÷2
110780765.5
n÷3
73853843.666667
n÷3
55390382.75
n÷5
44312306.2
n2
49089512019063961
n3
1.0876347438987E+25
n4
2.4097801902698E+33
n5
5.3391458832965E+41
2 √n
14884.943096969
3 √n
605.10599058269
4 √n
122.00386509029
5 √n
46.676563209812
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
221561532
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
110780766
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
14884.94313056
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999909732
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221561531 can be divided by 2 positive divisors.
The sum of these divisors (counting 221561531) is 221561532, the average is 110780766.
Base
System
Value
2
Binary
1101001101001100001010111011
3
Ternary
120102220111021122
4
Quaternary
31031030022323
5
Quinary
423204432111
6
Senary
33552455455
8
Octal
1515141273
10
Decimal
221561531
12
Duodecimal
6224a58b
16
Hexadecimal
d34c2bb
20
Vigesimal
394f3gb
36
Base36
3nwtyz
md5
a913e5c4790ab87bd617ead3663d35ea
sha1
063b0d41bb59ce0ef57eeffd65a5d280265531b0
sha256
721f57fbacc07425f0fa4cb9eaad523bb497ea6f9136af20fbf1a73d99832d27
sha512
cc92a0058c0b169d79c1a133988d4247389166bba2b672e533d748037078e30526e87a6bd35c4a3cd5d0ce15e99431072f406675d90445c2a03e4088c4e86f59
ripemd-160
fe3be9a891e4269a4e885af0f74ba2d87df4a927
Diameter
443123062
Circumference
1392112156.2154
Area
1.542192503274E+17
Volume
4.5558737616281E+25
Surface area
6.168770013096E+17
Circumference
1392112156.2154
Perimeter
886246124
Area
49089512019063961
Diagonal
313335322.04035
Surface area
294537072114383766
Volume
1.0876347438987E+25
Space diagonal
383755828.69475
Perimeter
664684593
Area
2.1256382233945E+16
Altitude
191877914.34737
Surface area
2.1256382233945E+16
Volume
1.2817898381081E+24
Height
104445107.34678