68809738 is an even 8-digits composite number following 68809737
and preceding 68809739 . In scientific notation, it is written as 6.8809738 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 33964272 positive integers (up to 68809738) that are relatively prime to 68809738.
68809738 has 16 divisors, whose sum is 104544000
The reverse of 68809738 is 83790886
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-eight million eight hundred nine thousand seven hundred thirty-eight
Scientific notation
6.8809738 × 10^7
Engineering notation
6.8809738 × 10^6
Prime Factorization
2 × 719 × 109 × 439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68809738
Product of the distinct prime numbers
The prime factorization of 68809738 is 2 × 719 × 109 × 439.
Since it has a total of 4 prime factors.
9 , 10 , 26 , 45 , 192 , 851 , 7212 , 1437 , 58921 , 48372 , 945415 , 592846 , 8572169 , 3791550 , 38972573 , 58418379 , 26226159 , 640179628 , 8964403966 , 967171284
n×2
137619476
n×3
206429214
n×4
275238952
n×5
344048690
n÷2
34404869
n÷3
22936579.333333
n÷3
17202434.5
n÷5
13761947.6
n2
4734780043628644
n3
3.2579897428972E+23
n4
2.2418142061544E+31
n5
1.5425864817016E+39
2 √n
8295.1635306364
3 √n
409.77925456007
4 √n
91.0777883495
5 √n
36.942814637709
1 , 2 , 109 , 218 , 439 , 719 , 878 , 1438 , 47851 , 78371 , 95702 , 156742 , 315641 , 631282 , 34404869 , 68809738
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
-68809737
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 68809738 can be divided by 16 positive divisors.
The sum of these divisors (counting 68809738) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000110011111010000001010
3
Ternary
11210110220012211
4
Quaternary
10012133100022
5
Quinary
120103402423
6
Senary
10454455334
8
Octal
406372012
10
Decimal
68809738
12
Duodecimal
1b06454a
16
Hexadecimal
419f40a
20
Vigesimal
11a146i
36
Base36
14ytxm
md5
6b91e5e8eee087e1ea684481da55d5dd
sha1
8f6d43858c9cd560d433b47781b86d6fde238514
sha256
9666b3915414b853ad811c5c13311608de8d79f2413005634d9a2cde190d0c8e
sha512
ab2356b16994f6727e66a4a3b929e5beed7b9976eb424d317d03e8376f74681fac4059ffe04e6dc6d6239106d50f0f9d4bc8158e382154281e06f5136c4ac4a5
ripemd-160
398a83f664c40d6d517b67126896df6298f991c8
Diameter
137619476
Circumference
432344334.79248
Area
1.4874750201427E+16
Volume
1.3647035522342E+24
Surface area
5.9499000805709E+16
Circumference
432344334.79248
Perimeter
275238952
Area
4734780043628644
Diagonal
97311664.702939
Surface area
28408680261771864
Volume
3.2579897428972E+23
Space diagonal
119181962.2715
Perimeter
206429214
Area
2.050219899557E+15
Altitude
59590981.135751
Surface area
2.050219899557E+15
Volume
3.8395777337313E+22
Height
32437221.567646