78138843 is an odd 8-digits composite number following 78138842
and preceding 78138844 . In scientific notation, it is written as 7.8138843 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 49827624 positive integers (up to 78138843) that are relatively prime to 78138843.
78138843 has 8 divisors, whose sum is 108715008
The reverse of 78138843 is 34883187
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million one hundred thirty-eight thousand eight hundred forty-three
Scientific notation
7.8138843 × 10^7
Engineering notation
7.8138843 × 10^6
Prime Factorization
3 × 23 × 1132447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78138843
Product of the distinct prime numbers
The prime factorization of 78138843 is 3 × 23 × 1132447.
Since it has a total of 3 prime factors.
4 , 6 , 40 , 96 , 721 , 40 , 7314 , 6760 , 53129 , 56360 , 109088 , 85999 , 6194370 , 4917968 , 26293020 , 26071821 , 708940503 , 511022554 , 1126791666 , 5764817849
n×2
156277686
n×3
234416529
n×4
312555372
n×5
390694215
n÷2
39069421.5
n÷3
26046281
n÷3
19534710.75
n÷5
15627768.6
n2
6105678785378649
n3
4.7709067601913E+23
n4
3.7279313430223E+31
n5
2.912962419272E+39
2 √n
8839.6178084802
3 √n
427.51923445484
4 √n
94.019241692752
5 √n
37.894256919717
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78138842
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78138843 can be divided by 8 positive divisors.
The sum of these divisors (counting 78138843) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101010000100110111011011
3
Ternary
12110000212100020
4
Quaternary
10222010313123
5
Quinary
130000420333
6
Senary
11430441523
8
Octal
452046733
10
Decimal
78138843
12
Duodecimal
222032a3
16
Hexadecimal
4a84ddb
20
Vigesimal
1487723
36
Base36
1aisbf
md5
84c2fc9c61892764a1b12f83d68ff7cc
sha1
0c220ad6956aaf6936138f09849a1307e90a55c4
sha256
f5c8228a81daa17f252a2b8ad5aaa32e799e12727619ed13e557b369f822b4f6
sha512
96ba8f66833093c48ad3ad0146d3adb9560b65f5abe324487b4d1107bcaec7bade405586f12d6f0e5504f93b9e5ae0946c75213e51304119af6dbf22d944f76c
ripemd-160
d911c39ef606353555a8f95a2e4d47e5400ec758
Diameter
156277686
Circumference
490960830.25761
Area
1.9181555617325E+16
Volume
1.9984327505039E+24
Surface area
7.6726222469298E+16
Circumference
490960830.25761
Perimeter
312555372
Area
6105678785378649
Diagonal
110505011.51874
Surface area
36634072712271894
Volume
4.7709067601913E+23
Space diagonal
135340446.12065
Perimeter
234416529
Area
2.6438364677428E+15
Altitude
67670223.060324
Surface area
2.6438364677428E+15
Volume
5.6225675375667E+22
Height
36835003.839581