68628994 is an even 8-digits composite number following 68628993
and preceding 68628995 . In scientific notation, it is written as 6.8628994 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 29363472 positive integers (up to 68628994) that are relatively prime to 68628994.
68628994 has 16 divisors, whose sum is 117845568
The reverse of 68628994 is 49982686
Previous prime number is 653
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-eight million six hundred twenty-eight thousand nine hundred ninety-four
Scientific notation
6.8628994 × 10^7
Engineering notation
6.8628994 × 10^6
Prime Factorization
2 × 7 × 653 × 7507
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68628994
Product of the distinct prime numbers
The prime factorization of 68628994 is 2 × 7 × 653 × 7507.
Since it has a total of 4 prime factors.
10 , 8 , 61 , 61 , 138 , 232 , 9805 , 9005 , 54819 , 53993 , 559683 , 392863 , 1377834 , 9349392 , 82133770 , 51065931 , 478564665 , 262425291 , 8967523085 , 8451483767
n×2
137257988
n×3
205886982
n×4
274515976
n×5
343144970
n÷2
34314497
n÷3
22876331.333333
n÷3
17157248.5
n÷5
13725798.8
n2
4709938817452036
n3
3.2323836284328E+23
n4
2.2183523664141E+31
n5
1.5224329124452E+39
2 √n
8284.2618258961
3 √n
409.42014799543
4 √n
91.017920355808
5 √n
36.92338651893
1 , 2 , 7 , 14 , 653 , 1306 , 4571 , 7507 , 9142 , 15014 , 52549 , 105098 , 4902071 , 9804142 , 34314497 , 68628994
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
-68628993
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 68628994 can be divided by 16 positive divisors.
The sum of these divisors (counting 68628994) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000101110011001000000010
3
Ternary
11210010201021121
4
Quaternary
10011303020002
5
Quinary
120032111434
6
Senary
10450542454
8
Octal
405631002
10
Decimal
68628994
12
Duodecimal
1ab97a2a
16
Hexadecimal
4173202
20
Vigesimal
118ic9e
36
Base36
14uygy
md5
da53e9f9fd0eb4f137e7ae07a322ab90
sha1
a3dfed48d0b6dff3801135ef35392d1b5b77a319
sha256
53971d856c7252e8ebbbec424ebaaccd3a4b56f70c3f7d3fe88ff9e02d7eafd0
sha512
52ff36a95dba1b28a0380b110afe761e5a11e8e7635c82ca87efc941942f074d82254c18b5c4d4557a0f340227e86b063edcab2301d59f18380e1d03e7112fd2
ripemd-160
970aefe49991165dc663344dca09e6eb0b734f87
Diameter
137257988
Circumference
431208686.74732
Area
1.4796709187765E+16
Volume
1.3539776880891E+24
Surface area
5.9186836751059E+16
Circumference
431208686.74732
Perimeter
274515976
Area
4709938817452036
Diagonal
97056054.086822
Surface area
28259632904712216
Volume
3.2323836284328E+23
Space diagonal
118868904.48034
Perimeter
205886982
Area
2.039463333092E+15
Altitude
59434452.24017
Surface area
2.039463333092E+15
Volume
3.8094006384354E+22
Height
32352018.028941