20178740 is an even 8-digits composite number following 20178739
and preceding 20178741 . In scientific notation, it is written as 2.0178740 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 8071488 positive integers (up to 20178740) that are relatively prime to 20178740.
20178740 has 12 divisors, whose sum is 42375396
The reverse of 20178740 is 04787102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred seventy-eight thousand seven hundred forty
Scientific notation
2.0178740 × 10^7
Engineering notation
2.0178740 × 10^6
Prime Factorization
2 × 2 × 5 × 1008937
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10089370
Product of the distinct prime numbers
The prime factorization of 20178740 is 2 × 2 × 5 × 1008937.
Since it has a total of 4 prime factors.
7 , 1 , 47 , 74 , 172 , 634 , 2976 , 2207 , 99216 , 88910 , 881351 , 323441 , 3675727 , 7983777 , 10019719 , 23657113 , 717941820 , 310333028 , 5419368661 , 8125613567
n×2
40357480
n×3
60536220
n×4
80714960
n×5
100893700
n÷2
10089370
n÷3
6726246.6666667
n÷3
5044685
n÷5
4035748
n2
407181547987600
n3
8.2164105896393E+21
n4
1.6579681302158E+29
n5
3.345570782791E+36
2 √n
4492.0752442496
3 √n
272.24798966294
4 √n
67.022945654825
5 √n
28.905388371407
1 , 2 , 4 , 5 , 10 , 20 , 1008937 , 2017874 , 4035748 , 5044685 , 10089370 , 20178740
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
-20178739
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 20178740 can be divided by 12 positive divisors.
The sum of these divisors (counting 20178740) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111110011100110100
3
Ternary
1101222012000202
4
Quaternary
1030332130310
5
Quinary
20131204430
6
Senary
2000300032
8
Octal
114763464
10
Decimal
20178740
12
Duodecimal
6911618
16
Hexadecimal
133e734
20
Vigesimal
6626h0
36
Base36
c0i0k
md5
dc5f4fbbc1ce649830deb90d49687635
sha1
14a3a49cb5a80f066493a6fdf1a265bc59d697f7
sha256
f8cbcf3858436f82b030596fd6e8126cec50cbbbcd93768a9e628863abd5bff3
sha512
841373534a6fd571e56055f013c67d3cd3a484a399a4c35c1074199286ae11777a39630634a360edca0442173154271e534aba543b45ee5ee4a9ea4c2eef8f77
ripemd-160
d7d4c60976f3c786447386ef50bd4778a34c36ea
Diameter
40357480
Circumference
126786762.6854
Area
1.2791985598352E+15
Volume
3.4416820196384E+22
Surface area
5.1167942393407E+15
Circumference
126786762.6854
Perimeter
80714960
Area
407181547987600
Diagonal
28537047.7796
Surface area
2443089287925600
Volume
8.2164105896393E+21
Space diagonal
34950602.912722
Perimeter
60536220
Area
1.7631478225477E+14
Altitude
17475301.456361
Surface area
1.7631478225477E+14
Volume
9.6831327415782E+20
Height
9512349.2598668