78840861 is an odd 8-digits composite number following 78840860
and preceding 78840862 . In scientific notation, it is written as 7.8840861 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 45267120 positive integers (up to 78840861) that are relatively prime to 78840861.
78840861 has 16 divisors, whose sum is 120714240
The reverse of 78840861 is 16804887
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million eight hundred forty thousand eight hundred sixty-one
Scientific notation
7.8840861 × 10^7
Engineering notation
7.8840861 × 10^6
Prime Factorization
3 × 11 × 19 × 125743
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78840861
Product of the distinct prime numbers
The prime factorization of 78840861 is 3 × 11 × 19 × 125743.
Since it has a total of 4 prime factors.
4 , 10 , 9 , 33 , 702 , 570 , 6260 , 8904 , 48447 , 62465 , 836243 , 936026 , 7280832 , 741789 , 96555883 , 47608006 , 560709620 , 767184492 , 6881500839 , 9536140456
n×2
157681722
n×3
236522583
n×4
315363444
n×5
394204305
n÷2
39420430.5
n÷3
26280287
n÷3
19710215.25
n÷5
15768172.2
n2
6215881363221321
n3
4.9006543855022E+23
n4
3.8637181121642E+31
n5
3.0461886262432E+39
2 √n
8879.2376361938
3 √n
428.79573085583
4 √n
94.229706760627
5 √n
37.962103743284
1 , 3 , 11 , 19 , 33 , 57 , 209 , 627 , 125743 , 377229 , 1383173 , 2389117 , 4149519 , 7167351 , 26280287 , 78840861
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78840860
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78840861 can be divided by 16 positive divisors.
The sum of these divisors (counting 78840861) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100110000010000011101
3
Ternary
12111100112022220
4
Quaternary
10230300100131
5
Quinary
130140401421
6
Senary
11453455553
8
Octal
454602035
10
Decimal
78840861
12
Duodecimal
224a15b9
16
Hexadecimal
4b3041d
20
Vigesimal
14cf231
36
Base36
1axtzx
md5
faa448f8300e0de240c17f64d2dc838a
sha1
251b4afc7e83156f19f36d4b0e5385f32ddb8391
sha256
71c51e89a25ecd9be3ed0e8fbda52c744382bff2418ad56cf70c0f64b81bd093
sha512
7c6e76ce66328c11614006b50809b6e781279dc5a5dc5163f7afde11115d756c61764dbee9b68c27f2cff3919d490891d184f091b2a4e39419c59063c5b64cb7
ripemd-160
1e355b81a4d1a7dabe0f21ad17890e5124ba11aa
Diameter
157681722
Circumference
495371739.44059
Area
1.9527767226282E+16
Volume
2.0527813087035E+24
Surface area
7.8111068905127E+16
Circumference
495371739.44059
Perimeter
315363444
Area
6215881363221321
Diagonal
111497814.89537
Surface area
37295288179327926
Volume
4.9006543855022E+23
Space diagonal
136556376.96448
Perimeter
236522583
Area
2.69155558373E+15
Altitude
68278188.482238
Surface area
2.69155558373E+15
Volume
5.7754765804004E+22
Height
37165938.298457