68221520 is an even 8-digits composite number following 68221519
and preceding 68221521 . In scientific notation, it is written as 6.8221520 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 20 positive divisors.
There are 27288576 positive integers (up to 68221520) that are relatively prime to 68221520.
68221520 has 20 divisors, whose sum is 158615220
The reverse of 68221520 is 02512286
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
sixty-eight million two hundred twenty-one thousand five hundred twenty
Scientific notation
6.8221520 × 10^7
Engineering notation
6.8221520 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 852769
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8527690
Product of the distinct prime numbers
The prime factorization of 68221520 is 2 × 2 × 2 × 2 × 5 × 852769.
Since it has a total of 6 prime factors.
5 , 7 , 10 , 2 , 658 , 419 , 6983 , 8364 , 7132 , 1070 , 117050 , 570279 , 5895311 , 2835251 , 97898879 , 96541052 , 810445650 , 108520192 , 6155107589 , 9792338792
n×2
136443040
n×3
204664560
n×4
272886080
n×5
341107600
n÷2
34110760
n÷3
22740506.666667
n÷3
17055380
n÷5
13644304
n2
4654175791110400
n3
3.1751494681675E+23
n4
2.1661352294558E+31
n5
1.4777703787902E+39
2 √n
8259.6319530594
3 √n
408.608249501
4 √n
90.882517312514
5 √n
36.879436641065
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 852769 , 1705538 , 3411076 , 4263845 , 6822152 , 8527690 , 13644304 , 17055380 , 34110760 , 68221520
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68221519
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68221520 can be divided by 20 positive divisors.
The sum of these divisors (counting 68221520) is 1, the average is 0.05.
Base
System
Value
2
Binary
100000100001111101001010000
3
Ternary
11202101000022222
4
Quaternary
10010033221100
5
Quinary
114431042040
6
Senary
10434120212
8
Octal
404175120
10
Decimal
68221520
12
Duodecimal
1aa20068
16
Hexadecimal
410fa50
20
Vigesimal
1167dg0
36
Base36
14m828
md5
f32b286072a378069c744a482d53cb9f
sha1
af93bfde95ab7176ee6f006e90f2072b9c0e82f0
sha256
a688752cb92455c6fcd8b3f45259a06a0e4e1db18af59c2c18f5480c89d6efed
sha512
f755ab431b96f0903f80c4d5b3c037e81e4c2b07160a93b60ecb0c75b8f82ee82c3076c47971af6f46b1670b9b64b49a6e7bfe6a041b940c0dd3da6ea712f2af
ripemd-160
6942c779ddb4d4e17621e08ddb10c094a3fde0a6
Diameter
136443040
Circumference
428648452.09746
Area
1.4621524473868E+16
Volume
1.3300034990993E+24
Surface area
5.8486097895472E+16
Circumference
428648452.09746
Perimeter
272886080
Area
4654175791110400
Diagonal
96479798.829707
Surface area
27925054746662400
Volume
3.1751494681675E+23
Space diagonal
118163138.80958
Perimeter
204664560
Area
2.0153172343901E+15
Altitude
59081569.404788
Surface area
2.0153172343901E+15
Volume
3.7419495337035E+22
Height
32159932.943236