78868907 is an odd 8-digits composite number following 78868906
and preceding 78868908 . In scientific notation, it is written as 7.8868907 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 72802056 positive integers (up to 78868907) that are relatively prime to 78868907.
78868907 has 4 divisors, whose sum is 84935760
The reverse of 78868907 is 70986887
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
seventy-eight million eight hundred sixty-eight thousand nine hundred seven
Scientific notation
7.8868907 × 10^7
Engineering notation
7.8868907 × 10^6
Prime Factorization
13 × 6066839
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78868907
Product of the distinct prime numbers
The prime factorization of 78868907 is 13 × 6066839.
Since it has a total of 2 prime factors.
7 , 2 , 57 , 5 , 384 , 13 , 2436 , 9817 , 9421 , 98333 , 979963 , 231200 , 1624780 , 7373319 , 59941961 , 24858643 , 62473525 , 638771330 , 8080375157 , 4106581511
n×2
157737814
n×3
236606721
n×4
315475628
n×5
394344535
n÷2
39434453.5
n÷3
26289635.666667
n÷3
19717226.75
n÷5
15773781.4
n2
6220304491374649
n3
4.9058861644191E+23
n4
3.8692187965416E+31
n5
3.0516105742709E+39
2 √n
8880.8167980203
3 √n
428.8465698886
4 √n
94.238085708594
5 √n
37.964804205162
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78868906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78868907 can be divided by 4 positive divisors.
The sum of these divisors (counting 78868907) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101100110111000110101011
3
Ternary
12111101221210122
4
Quaternary
10230313012223
5
Quinary
130142301112
6
Senary
11454233455
8
Octal
454670653
10
Decimal
78868907
12
Duodecimal
224b588b
16
Hexadecimal
4b371ab
20
Vigesimal
14cic57
36
Base36
1ayfmz
md5
0a4e9cdd47d492b7f632e869a4984e17
sha1
2b647a17a72536fe257da0c8470e03ff49a5ba1b
sha256
2290fe154cdb5e2d17fc94ac43e659a76bddcec3e69daa044962487aef1c49b9
sha512
7efc993152296fb2956d32e7fca29cc6b70e3d4bb3f769b01394ba81ee238fabf458bb97e6eaf38e0681bddae71a0427576e7c7b53a8641611fde1f1e946c4df
ripemd-160
3bcb2b56920b28b3adb28b3cc4583706120f6643
Diameter
157737814
Circumference
495547957.65571
Area
1.9541662893194E+16
Volume
2.0549727911316E+24
Surface area
7.8166651572777E+16
Circumference
495547957.65571
Perimeter
315475628
Area
6220304491374649
Diagonal
111537477.92894
Surface area
37321826948247894
Volume
4.9058861644191E+23
Space diagonal
136604954.06142
Perimeter
236606721
Area
2.6934708544024E+15
Altitude
68302477.030712
Surface area
2.6934708544024E+15
Volume
5.7816422909833E+22
Height
37179159.309647