78902020 is an even 8-digits composite number following 78902019
and preceding 78902021 . In scientific notation, it is written as 7.8902020 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 31560800 positive integers (up to 78902020) that are relatively prime to 78902020.
78902020 has 12 divisors, whose sum is 165694284
The reverse of 78902020 is 02020987
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
seventy-eight million nine hundred two thousand twenty
Scientific notation
7.8902020 × 10^7
Engineering notation
7.8902020 × 10^6
Prime Factorization
2 × 2 × 5 × 3945101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39451010
Product of the distinct prime numbers
The prime factorization of 78902020 is 2 × 2 × 5 × 3945101.
Since it has a total of 4 prime factors.
1 , 10 , 32 , 3 , 547 , 496 , 7108 , 7594 , 90203 , 14245 , 470094 , 673596 , 8586316 , 2631033 , 13814669 , 72954852 , 961384863 , 334894524 , 7107853552 , 9552698638
n×2
157804040
n×3
236706060
n×4
315608080
n×5
394510100
n÷2
39451010
n÷3
26300673.333333
n÷3
19725505
n÷5
15780404
n2
6225528760080400
n3
4.9120679473844E+23
n4
3.8757208342588E+31
n5
3.0580220277911E+39
2 √n
8882.6809016197
3 √n
428.90657836821
4 √n
94.247975583668
5 √n
37.967991563885
1 , 2 , 4 , 5 , 10 , 20 , 3945101 , 7890202 , 15780404 , 19725505 , 39451010 , 78902020
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78902019
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78902020 can be divided by 12 positive divisors.
The sum of these divisors (counting 78902020) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101100111111001100000100
3
Ternary
12111110122020001
4
Quaternary
10230333030010
5
Quinary
130144331040
6
Senary
11455051044
8
Octal
454771404
10
Decimal
78902020
12
Duodecimal
22510a84
16
Hexadecimal
4b3f304
20
Vigesimal
14d2f10
36
Base36
1az56s
md5
3943c671d0d8193d304ce14aa0aac79f
sha1
678643067ea8edfd95c3315d5cb283d5170c6ef6
sha256
973afaa337c52838668c6d799b740c7c65d9cc0ab2dc7feb9f7e9f21d6c498ee
sha512
22e383140386259939e5e0e2b497cd75506dfef178f14b0eab897eb30eeea3b9f1919bfd5dfe59f8120e5f334e9f222874ce013b48e1901e0499eddaa082b3a9
ripemd-160
0e98f79d38a576a74e90cbabde0fd260a5125d65
Diameter
157804040
Circumference
495756012.77079
Area
1.9558075417381E+16
Volume
2.0575622103249E+24
Surface area
7.8232301669522E+16
Circumference
495756012.77079
Perimeter
315608080
Area
6225528760080400
Diagonal
111584306.78263
Surface area
37353172560482400
Volume
4.9120679473844E+23
Space diagonal
136662307.45982
Perimeter
236706060
Area
2.6957330291101E+15
Altitude
68331153.729908
Surface area
2.6957330291101E+15
Volume
5.7889275920743E+22
Height
37194768.927544