221385969 is an odd 9-digits composite number following 221385968
and preceding 221385970 . In scientific notation, it is written as 2.21385969 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 126146160 positive integers (up to 221385969) that are relatively prime to 221385969.
221385969 has 16 divisors, whose sum is 251720000
The reverse of 221385969 is 969583122
Previous prime number is 811
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
two hundred twenty-one million three hundred eighty-five thousand nine hundred sixty-nine
Scientific notation
2.21385969 × 10^8
Engineering notation
2.21385969 × 10^6
Prime Factorization
9 × 49 × 811 × 619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221385969
Product of the distinct prime numbers
The prime factorization of 221385969 is 9 × 49 × 811 × 619.
Since it has a total of 4 prime factors.
5 , 10 , 77 , 46 , 180 , 87 , 3922 , 1884 , 20751 , 78738 , 748866 , 840159 , 6541738 , 1660275 , 59867081 , 35050999 , 75584016 , 675245578 , 3019229944 , 7965167828
n×2
442771938
n×3
664157907
n×4
885543876
n×5
1106929845
n÷2
110692984.5
n÷3
73795323
n÷3
55346492.25
n÷5
44277193.8
n2
49011747270068961
n3
1.0850513161767E+25
n4
2.4021513704651E+33
n5
5.318026088351E+41
2 √n
14879.044626588
3 √n
604.94612274357
4 √n
121.97968940192
5 √n
46.669163703852
1 , 9 , 49 , 441 , 619 , 811 , 5571 , 7299 , 30331 , 39739 , 272979 , 357651 , 502009 , 4518081 , 24598441 , 221385969
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221385968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221385969 can be divided by 16 positive divisors.
The sum of these divisors (counting 221385969) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001100100001010011110001
3
Ternary
120102120120110100
4
Quaternary
31030201103301
5
Quinary
423133322334
6
Senary
33545023013
8
Octal
1514412361
10
Decimal
221385969
12
Duodecimal
62184a69
16
Hexadecimal
d3214f1
20
Vigesimal
393d4i9
36
Base36
3nt2i9
md5
65ae317d37b62b6dbeabf98feefca639
sha1
fef028c78c92a859312686815455d250233222f2
sha256
a9a32965629a5774efb6b0c8c65c9ecc8c03d3f10a02f94eb48312c9be4cacd2
sha512
81af28d47aed486d3b3a948b049dcd17e96c5249bafee536309d73a5972988e69950350a0b468d2cb0bc4bad328a8024f7a6299a2004aef26fc8d7e019b2839c
ripemd-160
ce8b7e9c20600226faeb4b250db6df81f9b59900
Diameter
442771938
Circumference
1391009067.6365
Area
1.5397494516325E+17
Volume
4.5450523248917E+25
Surface area
6.1589978065299E+17
Circumference
1391009067.6365
Perimeter
885543876
Area
49011747270068961
Diagonal
313087039.87891
Surface area
294070483620413766
Volume
1.0850513161767E+25
Space diagonal
383451746.39087
Perimeter
664157907
Area
2.1222709109871E+16
Altitude
191725873.19543
Surface area
2.1222709109871E+16
Volume
1.2787452393399E+24
Height
104362346.6263