78389908 is an even 8-digits composite number following 78389907
and preceding 78389909 . In scientific notation, it is written as 7.8389908 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 38847872 positive integers (up to 78389908) that are relatively prime to 78389908.
78389908 has 12 divisors, whose sum is 138397140
The reverse of 78389908 is 80998387
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
seventy-eight million three hundred eighty-nine thousand nine hundred eight
Scientific notation
7.8389908 × 10^7
Engineering notation
7.8389908 × 10^6
Prime Factorization
2 × 2 × 113 × 173429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39194954
Product of the distinct prime numbers
The prime factorization of 78389908 is 2 × 2 × 113 × 173429.
Since it has a total of 4 prime factors.
9 , 8 , 50 , 86 , 942 , 666 , 6810 , 3146 , 43677 , 94641 , 119720 , 468457 , 3623632 , 1502984 , 29988654 , 44324354 , 997749377 , 19102674 , 6602212442 , 7319553428
n×2
156779816
n×3
235169724
n×4
313559632
n×5
391949540
n÷2
39194954
n÷3
26129969.333333
n÷3
19597477
n÷5
15677981.6
n2
6144977676248464
n3
4.8170423470317E+23
n4
3.7760750641592E+31
n5
2.9600617688053E+39
2 √n
8853.8075425209
3 √n
427.97662695899
4 √n
94.094673295149
5 √n
37.918577007494
1 , 2 , 4 , 113 , 226 , 452 , 173429 , 346858 , 693716 , 19597477 , 39194954 , 78389908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78389907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78389908 can be divided by 12 positive divisors.
The sum of these divisors (counting 78389908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101011000010001010010100
3
Ternary
12110111121201221
4
Quaternary
10223002022110
5
Quinary
130031434113
6
Senary
11440100124
8
Octal
453021224
10
Decimal
78389908
12
Duodecimal
22304644
16
Hexadecimal
4ac2294
20
Vigesimal
149ief8
36
Base36
1ao61g
md5
f2eaeeb2c270cd9179fa36f6c3157955
sha1
31b04216657133651b456a2a0741d0ebf20140ff
sha256
7cf3dd6fb01e84490d1406f3a947238da6e0d2f7312379d10f68538bb3cfda49
sha512
329f1d15bb825c5b30731848e00737a6f41624f7d9a7cad052ec2419437c5f44d11fe1377da276bee6669340dfbca429c4c4d3c02ac6edb2cf04a0769db6372d
ripemd-160
719cdff94ad3cd8dda014e0b636c4b00141ea52e
Diameter
156779816
Circumference
492538318.17676
Area
1.9305016724175E+16
Volume
2.0177579799288E+24
Surface area
7.7220066896702E+16
Circumference
492538318.17676
Perimeter
313559632
Area
6144977676248464
Diagonal
110860071.04678
Surface area
36869866057490784
Volume
4.8170423470317E+23
Space diagonal
135775303.45665
Perimeter
235169724
Area
2.6608533866597E+15
Altitude
67887651.728325
Surface area
2.6608533866597E+15
Volume
5.6769388480815E+22
Height
36953357.015593