78749649 is an odd 8-digits composite number following 78749648
and preceding 78749650 . In scientific notation, it is written as 7.8749649 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 47118240 positive integers (up to 78749649) that are relatively prime to 78749649.
78749649 has 24 divisors, whose sum is 125673600
The reverse of 78749649 is 94694787
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million seven hundred forty-nine thousand six hundred forty-nine
Scientific notation
7.8749649 × 10^7
Engineering notation
7.8749649 × 10^6
Prime Factorization
3 × 3 × 79 × 11 × 10069
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
26249883
Product of the distinct prime numbers
The prime factorization of 78749649 is 3 × 3 × 79 × 11 × 10069.
Since it has a total of 5 prime factors.
1 , 10 , 83 , 41 , 181 , 679 , 3335 , 3795 , 85747 , 16010 , 243398 , 31350 , 3514827 , 5607793 , 22025514 , 4805745 , 881287242 , 774941060 , 5260143322 , 1038632922
n×2
157499298
n×3
236248947
n×4
314998596
n×5
393748245
n÷2
39374824.5
n÷3
26249883
n÷3
19687412.25
n÷5
15749929.8
n2
6201507217623201
n3
4.8836651665879E+23
n4
3.8458691770233E+31
n5
3.028608477905E+39
2 √n
8874.0998980178
3 √n
428.63030729161
4 √n
94.202441040654
5 √n
37.953315907012
1 , 3 , 9 , 11 , 33 , 79 , 99 , 237 , 711 , 869 , 2607 , 7821 , 10069 , 30207 , 90621 , 110759 , 332277 , 795451 , 996831 , 2386353 , 7159059 , 8749961 , 26249883 , 78749649
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78749648
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78749649 can be divided by 24 positive divisors.
The sum of these divisors (counting 78749649) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101100011001111111010001
3
Ternary
12111011220012200
4
Quaternary
10230121333101
5
Quinary
130124442044
6
Senary
11451513413
8
Octal
454317721
10
Decimal
78749649
12
Duodecimal
22458869
16
Hexadecimal
4b19fd1
20
Vigesimal
14c3e29
36
Base36
1avvm9
md5
a54b715aac0446e3a55e58aeb5a6edfb
sha1
7ce0af8b80a481900cd5c3c7cc4db6ccfe0355b6
sha256
07ae95ffa3f9fef428947d22d59cae7f184cc5c9f3f7fcab6d06de85cd3ad90b
sha512
1aeef4e12b62742307212277de4165fd0a4817ad7e63a4e5a4271c27bdc5432002b911967e618f9305175acc21b6d1200ce4ee4247b710613677e8acfa8e2cf7
ripemd-160
048d4ffbc8852cb31fb2ad15ae23ee3e1a6f9e06
Diameter
157499298
Circumference
494798637.54235
Area
1.9482609516069E+16
Volume
2.045664881326E+24
Surface area
7.7930438064277E+16
Circumference
494798637.54235
Perimeter
314998596
Area
6201507217623201
Diagonal
111368821.64792
Surface area
37209043305739206
Volume
4.8836651665879E+23
Space diagonal
136398393.14622
Perimeter
236248947
Area
2.6853313961071E+15
Altitude
68199196.573108
Surface area
2.6853313961071E+15
Volume
5.7554545938981E+22
Height
37122940.549307