78691880 is an even 8-digits composite number following 78691879
and preceding 78691881 . In scientific notation, it is written as 7.8691880 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 16 positive divisors.
There are 31476736 positive integers (up to 78691880) that are relatively prime to 78691880.
78691880 has 16 divisors, whose sum is 177056820
The reverse of 78691880 is 08819687
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-eight million six hundred ninety-one thousand eight hundred eighty
Scientific notation
7.8691880 × 10^7
Engineering notation
7.8691880 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 1967297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19672970
Product of the distinct prime numbers
The prime factorization of 78691880 is 2 × 2 × 2 × 5 × 1967297.
Since it has a total of 5 prime factors.
3 , 5 , 51 , 12 , 842 , 736 , 2163 , 9402 , 46414 , 54284 , 761655 , 538772 , 6706585 , 1938040 , 61543586 , 26345100 , 890785613 , 518230255 , 3644328171 , 785336143
n×2
157383760
n×3
236075640
n×4
314767520
n×5
393459400
n÷2
39345940
n÷3
26230626.666667
n÷3
19672970
n÷5
15738376
n2
6192411977934400
n3
4.8729254027818E+23
n4
3.8345966104465E+31
n5
3.0175161631767E+39
2 √n
8870.8443792009
3 √n
428.52547041574
4 √n
94.185160079499
5 √n
37.947745929817
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 1967297 , 3934594 , 7869188 , 9836485 , 15738376 , 19672970 , 39345940 , 78691880
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
-78691879
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 78691880 can be divided by 16 positive divisors.
The sum of these divisors (counting 78691880) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100001011111000101000
3
Ternary
12111001221222002
4
Quaternary
10230023320220
5
Quinary
130121120010
6
Senary
11450350132
8
Octal
454137050
10
Decimal
78691880
12
Duodecimal
2242b348
16
Hexadecimal
4b0be28
20
Vigesimal
14bg9e0
36
Base36
1aun1k
md5
deb9b9e6035b895fbaca7b403e631f43
sha1
11ba41a50afaaf176c6919d51567dd195884f2b4
sha256
cc2dc1fb500075627106dfa3a8b0c7edf0d3200ec5ca417bdea84fc946ad353e
sha512
10440f3c47cbf7557eb336dbc3dc24241b4260f7342fb00e7f3511ce17a133826859204020629fea58a100ce6aabd0bbc3dbc7656852ac08f38821729b56c7d4
ripemd-160
6ad2812a688dba37decf92d73d5357abb9c54580
Diameter
157383760
Circumference
494435664.21034
Area
1.945403597788E+16
Volume
2.0411662195827E+24
Surface area
7.7816143911521E+16
Circumference
494435664.21034
Perimeter
314767520
Area
6192411977934400
Diagonal
111287123.94464
Surface area
37154471867606400
Volume
4.8729254027818E+23
Space diagonal
136298334.30311
Perimeter
236075640
Area
2.6813930417951E+15
Altitude
68149167.151557
Surface area
2.6813930417951E+15
Volume
5.742797660872E+22
Height
37095707.981545