221528761 is an odd 9-digits prime number following 221528760
and preceding 221528762 . In scientific notation, it is written as 2.21528761 × 10^8.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 221528760 positive integers (up to 221528761) that are relatively prime to 221528761.
221528761 has 2 divisors, whose sum is 221528762
The reverse of 221528761 is 167825122
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred twenty-one million five hundred twenty-eight thousand seven hundred sixty-one
Scientific notation
2.21528761 × 10^8
Engineering notation
2.21528761 × 10^6
Prime Factorization
221528761
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
221528761
Product of the distinct prime numbers
The prime factorization of 221528761 is 221528761.
Since it has a total of 1 prime factors.
7 , 5 , 65 , 44 , 521 , 674 , 4080 , 8683 , 4476 , 77657 , 789555 , 810584 , 4772086 , 1755713 , 69110529 , 58069488 , 432480334 , 452648524 , 1874618170 , 5042578596
n×2
443057522
n×3
664586283
n×4
886115044
n×5
1107643805
n÷2
110764380.5
n÷3
73842920.333333
n÷3
55382190.25
n÷5
44305752.2
n2
49074991950195121
n3
1.0871522162812E+25
n4
2.4083548349117E+33
n5
5.3351986262635E+41
2 √n
14883.842279465
3 √n
605.07615643095
4 √n
121.99935360265
5 √n
46.675182391155
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
221528762
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
110764381
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
14883.842313059
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999909718
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221528761 can be divided by 2 positive divisors.
The sum of these divisors (counting 221528761) is 221528762, the average is 110764381.
Base
System
Value
2
Binary
1101001101000100001010111001
3
Ternary
120102211211022221
4
Quaternary
31031010022321
5
Quinary
423202410021
6
Senary
33552044041
8
Octal
1515041271
10
Decimal
221528761
12
Duodecimal
62233621
16
Hexadecimal
d3442b9
20
Vigesimal
394b1i1
36
Base36
3nw4op
md5
84b5b1638fb27deee142ec17ebdc38f6
sha1
a37722bb14b55d77b48f21b7f19e0d87199f43e1
sha256
8b13ada3912fc5a60dd4970effba82af4f04fb5e7c651b472fa51b47ebfdee3a
sha512
28f7e404be9ee7750c1f3c48292182d155e73e7f88d225a207239c02924762f2e37735ed45468ba58cd54e3bb8a5892197ad6b7a6a5d1a91d139af5d896ae9f7
ripemd-160
1505cba14027d49c0290307966ac423a9e146a0c
Diameter
443057522
Circumference
1391906256.2329
Area
1.5417363418571E+17
Volume
4.5538525546704E+25
Surface area
6.1669453674284E+17
Circumference
1391906256.2329
Perimeter
886115044
Area
49074991950195121
Diagonal
313288978.26191
Surface area
294449951701170726
Volume
1.0871522162812E+25
Space diagonal
383699069.38978
Perimeter
664586283
Area
2.1250094859693E+16
Altitude
191849534.69489
Surface area
2.1250094859693E+16
Volume
1.2812211738573E+24
Height
104429659.42064