78448939 is an odd 8-digits composite number following 78448938
and preceding 78448940 . In scientific notation, it is written as 7.8448939 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 77374224 positive integers (up to 78448939) that are relatively prime to 78448939.
78448939 has 4 divisors, whose sum is 79523656
The reverse of 78448939 is 93984487
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
seventy-eight million four hundred forty-eight thousand nine hundred thirty-nine
Scientific notation
7.8448939 × 10^7
Engineering notation
7.8448939 × 10^6
Prime Factorization
73 × 1074643
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78448939
Product of the distinct prime numbers
The prime factorization of 78448939 is 73 × 1074643.
Since it has a total of 2 prime factors.
7 , 2 , 53 , 95 , 244 , 452 , 6972 , 3758 , 43361 , 9647 , 805187 , 340703 , 8254199 , 3353462 , 13573067 , 76820004 , 585111053 , 524681028 , 4183026883 , 8565589190
n×2
156897878
n×3
235346817
n×4
313795756
n×5
392244695
n÷2
39224469.5
n÷3
26149646.333333
n÷3
19612234.75
n÷5
15689787.8
n2
6154236030225721
n3
4.8279328692678E+23
n4
3.7874621115728E+31
n5
2.9712238415559E+39
2 √n
8857.1405656679
3 √n
428.08402832378
4 √n
94.112382637291
5 √n
37.924286154614
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
-78448938
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 78448939 can be divided by 4 positive divisors.
The sum of these divisors (counting 78448939) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011010000100100101011
3
Ternary
12110121121201021
4
Quaternary
10223100210223
5
Quinary
130040331224
6
Senary
11441233311
8
Octal
453204453
10
Decimal
78448939
12
Duodecimal
22332837
16
Hexadecimal
4ad092b
20
Vigesimal
14a626j
36
Base36
1apfl7
md5
b288cc0d066673de3753bbb200999c64
sha1
8435fa9d733594b7e39d78075d2c7166bd1145e2
sha256
f1b1efd225b5c37ad405c275c20e8cd1435b636db92aeaa4f9126d245f1c2861
sha512
9b0c01f3e93c29f6ba8eb82db1a0e8603586ec37e191c7c7548af93d4b72fa9f0b8efb2b21589b124bc12eab6049b525767ffcddff2baf7037b3b98bfe13553b
ripemd-160
d8e85d940a69300c169e28f005b722d60e4700a7
Diameter
156897878
Circumference
492909220.88863
Area
1.9334102701015E+16
Volume
2.0223197912155E+24
Surface area
7.7336410804059E+16
Circumference
492909220.88863
Perimeter
313795756
Area
6154236030225721
Diagonal
110943553.48758
Surface area
36925416181354326
Volume
4.8279328692678E+23
Space diagonal
135877548.14787
Perimeter
235346817
Area
2.6648623715305E+15
Altitude
67938774.073936
Surface area
2.6648623715305E+15
Volume
5.6897734516211E+22
Height
36981184.49586