78840939 is an odd 8-digits composite number following 78840938
and preceding 78840940 . In scientific notation, it is written as 7.8840939 × 10^7.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 52182216 positive integers (up to 78840939) that are relatively prime to 78840939.
78840939 has 4 divisors, whose sum is 79030424
The reverse of 78840939 is 93904887
Previous prime number is 417
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-eight million eight hundred forty thousand nine hundred thirty-nine
Scientific notation
7.8840939 × 10^7
Engineering notation
7.8840939 × 10^6
Prime Factorization
417 × 189067
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78840939
Product of the distinct prime numbers
The prime factorization of 78840939 is 417 × 189067.
Since it has a total of 2 prime factors.
4 , 8 , 26 , 55 , 385 , 676 , 3124 , 5949 , 96491 , 78777 , 850875 , 998931 , 7701840 , 6812141 , 41670010 , 59593421 , 897995654 , 339441018 , 3128023797 , 2925548620
n×2
157681878
n×3
236522817
n×4
315363756
n×5
394204695
n÷2
39420469.5
n÷3
26280313
n÷3
19710234.75
n÷5
15768187.8
n2
6215893662401721
n3
4.900668930679E+23
n4
3.8637334022286E+31
n5
3.0462036947737E+39
2 √n
8879.2420284617
3 √n
428.79587226328
4 √n
94.229730066798
5 √n
37.962111254726
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
-78840938
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 78840939 can be divided by 4 positive divisors.
The sum of these divisors (counting 78840939) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101100110000010001101011
3
Ternary
12111100112102210
4
Quaternary
10230300101223
5
Quinary
130140402224
6
Senary
11453500203
8
Octal
454602153
10
Decimal
78840939
12
Duodecimal
224a1663
16
Hexadecimal
4b3046b
20
Vigesimal
14cf26j
36
Base36
1axu23
md5
0437b8f5c057f831daf827584c1bb2b9
sha1
d3262a2a8481dab4885503934e42ab03df615ff0
sha256
e3b5c2103f952e16128fc609a52caf73f5911c8874aae244eb00e68477d53e00
sha512
abba36a97419fa8f0d22ccee8c2d60fb8a5aa9289ecb78ace46c4a9bafbc1b0a83781140b2bcdeea7347ee13d403e6d3de1ac6a8011ebd2b6d30c5527d2551fa
ripemd-160
fa54ad4b12effde1075f4450a9475d19a50f77a8
Diameter
157681878
Circumference
495372229.52904
Area
1.9527805865297E+16
Volume
2.0527874013729E+24
Surface area
7.8111223461186E+16
Circumference
495372229.52904
Perimeter
315363756
Area
6215893662401721
Diagonal
111497925.20403
Surface area
37295361974410326
Volume
4.900668930679E+23
Space diagonal
136556512.06444
Perimeter
236522817
Area
2.6915609094313E+15
Altitude
68278256.032219
Surface area
2.6915609094313E+15
Volume
5.7754937220556E+22
Height
37165975.06801