221312087 is an odd 9-digits composite number following 221312086
and preceding 221312088 . In scientific notation, it is written as 2.21312087 × 10^8.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 217683960 positive integers (up to 221312087) that are relatively prime to 221312087.
221312087 has 4 divisors, whose sum is 224940216
The reverse of 221312087 is 780213122
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
two hundred twenty-one million three hundred twelve thousand eighty-seven
Scientific notation
2.21312087 × 10^8
Engineering notation
2.21312087 × 10^6
Prime Factorization
61 × 3628067
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221312087
Product of the distinct prime numbers
The prime factorization of 221312087 is 61 × 3628067.
Since it has a total of 2 prime factors.
5 , 6 , 39 , 4 , 448 , 936 , 6939 , 8518 , 1253 , 31149 , 601205 , 93695 , 6673365 , 9777838 , 66686955 , 93795345 , 606832013 , 645586448 , 1353562716 , 7257190795
n×2
442624174
n×3
663936261
n×4
885248348
n×5
1106560435
n÷2
110656043.5
n÷3
73770695.666667
n÷3
55328021.75
n÷5
44262417.4
n2
48979039852295569
n3
1.0839653528968E+25
n4
2.3989463448528E+33
n5
5.3091582218039E+41
2 √n
14876.561665923
3 √n
604.87882007083
4 √n
121.96951121458
5 √n
46.666048355995
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221312086
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221312087 can be divided by 4 positive divisors.
The sum of these divisors (counting 221312087) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001100001111010001010111
3
Ternary
120102102211002222
4
Quaternary
31030033101113
5
Quinary
423123441322
6
Senary
33543252555
8
Octal
1514172127
10
Decimal
221312087
12
Duodecimal
6214a15b
16
Hexadecimal
d30f457
20
Vigesimal
3934047
36
Base36
3nrhhz
md5
61275b199ab3ba56ee759ef7bd306adc
sha1
88f6b3debf8d3919b5fdf2ca9f29e84fe78bd8d7
sha256
2de389b5fcd019a9272b2901a4a00502ae327494442ed3c2c099cbb6f5e28917
sha512
8a67aa115ef0774613e0df507e86bb75ffae93535a8dc041aa140d05cca8c24e1ba71759a28e6c958a5b33a9f1a368eb9d917ea0d7def917e8f9a1292a9de371
ripemd-160
3c753fe5acc29b78ad8e7f91cbff27219633f363
Diameter
442624174
Circumference
1390544853.3397
Area
1.5387219177985E+17
Volume
4.5405034525418E+25
Surface area
6.1548876711941E+17
Circumference
1390544853.3397
Perimeter
885248348
Area
48979039852295569
Diagonal
312982554.95249
Surface area
293874239113773414
Volume
1.0839653528968E+25
Space diagonal
383323779.0131
Perimeter
663936261
Area
2.1208546382529E+16
Altitude
191661889.50655
Surface area
2.1208546382529E+16
Volume
1.277465419341E+24
Height
104327518.3175