78839138 is an even 8-digits composite number following 78839137
and preceding 78839139 . In scientific notation, it is written as 7.8839138 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors.
There are 32697000 positive integers (up to 78839138) that are relatively prime to 78839138.
78839138 has 24 divisors, whose sum is 142009344
The reverse of 78839138 is 83193887
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-eight million eight hundred thirty-nine thousand one hundred thirty-eight
Scientific notation
7.8839138 × 10^7
Engineering notation
7.8839138 × 10^6
Prime Factorization
2 × 7 × 7 × 31 × 25951
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
11262734
Product of the distinct prime numbers
The prime factorization of 78839138 is 2 × 7 × 7 × 31 × 25951.
Since it has a total of 5 prime factors.
6 , 5 , 88 , 60 , 819 , 525 , 2188 , 63 , 91374 , 35478 , 300956 , 90133 , 1763345 , 7356371 , 21058966 , 30986102 , 316888170 , 574422000 , 3039965133 , 8508795253
n×2
157678276
n×3
236517414
n×4
315356552
n×5
394195690
n÷2
39419569
n÷3
26279712.666667
n÷3
19709784.5
n÷5
15767827.6
n2
6215609680583044
n3
4.9003330936162E+23
n4
3.8633803701358E+31
n5
3.0458557814762E+39
2 √n
8879.1406115682
3 √n
428.79260717767
4 √n
94.229191928872
5 √n
37.961937815932
1 , 2 , 7 , 14 , 31 , 49 , 62 , 98 , 217 , 434 , 1519 , 3038 , 25951 , 51902 , 181657 , 363314 , 804481 , 1271599 , 1608962 , 2543198 , 5631367 , 11262734 , 39419569 , 78839138
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
-78839137
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 78839138 can be divided by 24 positive divisors.
The sum of these divisors (counting 78839138) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101100101111110101100010
3
Ternary
12111100102222002
4
Quaternary
10230233311202
5
Quinary
130140323023
6
Senary
11453444002
8
Octal
454576542
10
Decimal
78839138
12
Duodecimal
224a0602
16
Hexadecimal
4b2fd62
20
Vigesimal
14cehgi
36
Base36
1axso2
md5
c0255795cfa8ec8fd582963584be43aa
sha1
4aeeb0040ec4983a41723e47f6d7d0d2a7a15d8a
sha256
161ce20a884dec4154ba6c08415c9d91f24b156fc4bca6833558e3817c52861b
sha512
42084fd0aed9ff0209506fcfdc1470f93b8d098e190f721e807cde66db4c945ab42d20ffa7c48ea4b377706af5fb5c157f82f4365ca6c4ee3c5ff1bd3bd26449
ripemd-160
0066e47e2e3fffc1944f0aa039eb651e854e5525
Diameter
157678276
Circumference
495360913.5123
Area
1.9526913710101E+16
Volume
2.052646726273E+24
Surface area
7.8107654840405E+16
Circumference
495360913.5123
Perimeter
315356552
Area
6215609680583044
Diagonal
111495378.2054
Surface area
37293658083498264
Volume
4.9003330936162E+23
Space diagonal
136553392.64093
Perimeter
236517414
Area
2.6914379416967E+15
Altitude
68276696.320467
Surface area
2.6914379416967E+15
Volume
5.7750979342815E+22
Height
37165126.068468