78707988 is an even 8-digits composite number following 78707987
and preceding 78707989 . In scientific notation, it is written as 7.8707988 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 18 positive divisors.
There are 26235984 positive integers (up to 78707988) that are relatively prime to 78707988.
78707988 has 18 divisors, whose sum is 198956394
The reverse of 78707988 is 88970787
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million seven hundred seven thousand nine hundred eighty-eight
Scientific notation
7.8707988 × 10^7
Engineering notation
7.8707988 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 2186333
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
13117998
Product of the distinct prime numbers
The prime factorization of 78707988 is 2 × 2 × 3 × 3 × 2186333.
Since it has a total of 5 prime factors.
9 , 2 , 61 , 57 , 400 , 330 , 545 , 7700 , 35108 , 81260 , 449382 , 641746 , 3991546 , 9988917 , 23245907 , 55477306 , 868682103 , 432970952 , 983932683 , 6877981271
n×2
157415976
n×3
236123964
n×4
314831952
n×5
393539940
n÷2
39353994
n÷3
26235996
n÷3
19676997
n÷5
15741597.6
n2
6194947375008144
n3
4.8759184365277E+23
n4
3.837737297912E+31
n5
3.0206058119121E+39
2 √n
8871.752250824
3 √n
428.55470772859
4 √n
94.189979566958
5 √n
37.949299361374
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 2186333 , 4372666 , 6558999 , 8745332 , 13117998 , 19676997 , 26235996 , 39353994 , 78707988
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78707987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78707988 can be divided by 18 positive divisors.
The sum of these divisors (counting 78707988) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
100101100001111110100010100
3
Ternary
12111002210001200
4
Quaternary
10230033310110
5
Quinary
130122123423
6
Senary
11450552500
8
Octal
454176424
10
Decimal
78707988
12
Duodecimal
22438730
16
Hexadecimal
4b0fd14
20
Vigesimal
14bi9j8
36
Base36
1auzh0
md5
ca5cc5ff723d892db68555ff931656bf
sha1
4bfb751d1e5d3653c4e0b8311aa9c912544db6fc
sha256
cae7ea26010761e2c573692a6351701f4887a095268577d1a828e4c0fde4490f
sha512
9384df3a6068d52223be08e9f1f246057dbe3248f61618ddc461bb25c166bf09f9243fa9702e50fe8a523d9a287610bcfad64e8f17e70d294bf48d35b75eac1b
ripemd-160
10e01fc73774140f069bd16639048e6bac6a211b
Diameter
157415976
Circumference
494536873.75927
Area
1.9462001162701E+16
Volume
2.0424199386265E+24
Surface area
7.7848004650804E+16
Circumference
494536873.75927
Perimeter
314831952
Area
6194947375008144
Diagonal
111309904.0967
Surface area
37169684250048864
Volume
4.8759184365277E+23
Space diagonal
136326234.17752
Perimeter
236123964
Area
2.6824909009324E+15
Altitude
68163117.088761
Surface area
2.6824909009324E+15
Volume
5.7463249849688E+22
Height
37103301.365566