68808521 is an odd 8-digits prime number following 68808520
and preceding 68808522 . In scientific notation, it is written as 6.8808521 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 68808520 positive integers (up to 68808521) that are relatively prime to 68808521.
68808521 has 2 divisors, whose sum is 68808522
The reverse of 68808521 is 12580886
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-eight million eight hundred eight thousand five hundred twenty-one
Scientific notation
6.8808521 × 10^7
Engineering notation
6.8808521 × 10^6
Prime Factorization
68808521
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
68808521
Product of the distinct prime numbers
The prime factorization of 68808521 is 68808521.
Since it has a total of 1 prime factors.
10 , 8 , 83 , 87 , 461 , 148 , 3529 , 4035 , 12587 , 64712 , 782826 , 337217 , 1877610 , 5915774 , 40983556 , 39284094 , 838487528 , 153047780 , 8887779986 , 4737364797
n×2
137617042
n×3
206425563
n×4
275234084
n×5
344042605
n÷2
34404260.5
n÷3
22936173.666667
n÷3
17202130.25
n÷5
13761704.2
n2
4734612562207441
n3
3.2578168791351E+23
n4
2.2416556114213E+31
n5
1.5424500721325E+39
2 √n
8295.090174314
3 √n
409.77683869904
4 √n
91.077385636139
5 √n
36.942683959335
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
68808522
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
34404261
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8295.0902345906
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999709338
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68808521 can be divided by 2 positive divisors.
The sum of these divisors (counting 68808521) is 68808522, the average is 34404261.
Base
System
Value
2
Binary
100000110011110111101001001
3
Ternary
11210110211112202
4
Quaternary
10012132331021
5
Quinary
120103333041
6
Senary
10454445545
8
Octal
406367511
10
Decimal
68808521
12
Duodecimal
1b0638b5
16
Hexadecimal
419ef49
20
Vigesimal
11a1161
36
Base36
14yszt
md5
62180565b249f8e703655a3df5c3d67d
sha1
cb1d0ecb00c1e40aa769909fa1f1214f6522153d
sha256
3c541656b0048f21e8fa88870a92d8fe499cf13367c6a0d1c1d820e938646ae2
sha512
b0bfc6ed3906c4c18ebfcdec7358a9f566065e4de99f393702e38a13e8b036972a580b445500cd4448848c87b343767bab56498e5af8da306d985809e32e1b3d
ripemd-160
1581cda14ebf81b6f223aaea70c6680985da150e
Diameter
137617042
Circumference
432336688.15596
Area
1.4874224043025E+16
Volume
1.3646311432309E+24
Surface area
5.9496896172099E+16
Circumference
432336688.15596
Perimeter
275234084
Area
4734612562207441
Diagonal
97309943.605034
Surface area
28407675373244646
Volume
3.2578168791351E+23
Space diagonal
119179854.36567
Perimeter
206425563
Area
2.0501473779743E+15
Altitude
59589927.182835
Surface area
2.0501473779743E+15
Volume
3.8393740118341E+22
Height
32436647.868345