221291257 is an odd 9-digits composite number following 221291256
and preceding 221291258 . In scientific notation, it is written as 2.21291257 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 185785600 positive integers (up to 221291257) that are relatively prime to 221291257.
221291257 has 8 divisors, whose sum is 241778592
The reverse of 221291257 is 752192122
Previous prime number is 667
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
two hundred twenty-one million two hundred ninety-one thousand two hundred fifty-seven
Scientific notation
2.21291257 × 10^8
Engineering notation
2.21291257 × 10^6
Prime Factorization
11 × 667 × 30161
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221291257
Product of the distinct prime numbers
The prime factorization of 221291257 is 11 × 667 × 30161.
Since it has a total of 3 prime factors.
8 , 5 , 91 , 67 , 797 , 168 , 9487 , 5152 , 4638 , 98513 , 933483 , 29 , 8166210 , 4227623 , 58718651 , 72007418 , 145880481 , 488543097 , 6094000612 , 2403228916
n×2
442582514
n×3
663873771
n×4
885165028
n×5
1106456285
n÷2
110645628.5
n÷3
73763752.333333
n÷3
55322814.25
n÷5
44258251.4
n2
48969820424640049
n3
1.0836593116833E+25
n4
2.3980433124215E+33
n5
5.306660189462E+41
2 √n
14875.861554881
3 √n
604.85984231366
4 √n
121.96664115602
5 √n
46.665169876741
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
-221291256
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 221291257 can be divided by 8 positive divisors.
The sum of these divisors (counting 221291257) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001100001010001011111001
3
Ternary
120102101202112111
4
Quaternary
31030022023321
5
Quinary
423122310012
6
Senary
33543012321
8
Octal
1514121371
10
Decimal
221291257
12
Duodecimal
6213a0a1
16
Hexadecimal
d30a2f9
20
Vigesimal
393182h
36
Base36
3nr1fd
md5
4dbf0585aa6dd8e0424061cf4ca5e4af
sha1
6409b9bab845fc466ad7a13daac03aafe0cca6c6
sha256
0ba728e90bd6bef2c02b59fbcb7ed0df5d4d319531259833ac4a0f0b61b28e0c
sha512
5b1c57f1832123d31cb1060621eb9a85aed083fde8fa83e9619f8b4da8e15d9f20e93c0d594625b0cc6d7db55985da4c91ae6b4dc936f89033abafee5388eb69
ripemd-160
39bc3ee634f3adefbfaeaae480ec68fd297af82d
Diameter
442582514
Circumference
1390413974.5897
Area
1.5384322809366E+17
Volume
4.5392215101045E+25
Surface area
6.1537291237464E+17
Circumference
1390413974.5897
Perimeter
885165028
Area
48969820424640049
Diagonal
312953096.88399
Surface area
293818922547840294
Volume
1.0836593116833E+25
Space diagonal
383287700.39478
Perimeter
663873771
Area
2.120455425325E+16
Altitude
191643850.19739
Surface area
2.120455425325E+16
Volume
1.277104746312E+24
Height
104317698.96133