20139870 is an even 8-digits composite number following 20139869
and preceding 20139871 . In scientific notation, it is written as 2.0139870 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 5339520 positive integers (up to 20139870) that are relatively prime to 20139870.
20139870 has 32 divisors, whose sum is 48615840
The reverse of 20139870 is 07893102
Previous prime number is 181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred thirty-nine thousand eight hundred seventy
Scientific notation
2.0139870 × 10^7
Engineering notation
2.0139870 × 10^6
Prime Factorization
2 × 3 × 5 × 181 × 3709
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20139870
Product of the distinct prime numbers
The prime factorization of 20139870 is 2 × 3 × 5 × 181 × 3709.
Since it has a total of 5 prime factors.
9 , 6 , 24 , 33 , 183 , 888 , 9275 , 2737 , 5719 , 31592 , 198441 , 430262 , 5437757 , 5522054 , 25458557 , 33235535 , 95931379 , 921534004 , 6803452407 , 4325539575
n×2
40279740
n×3
60419610
n×4
80559480
n×5
100699350
n÷2
10069935
n÷3
6713290
n÷3
5034967.5
n÷5
4027974
n2
405614363616900
n3
8.1690205533771E+21
n4
1.6452301197234E+29
n5
3.3134720731314E+36
2 √n
4487.7466506032
3 √n
272.07306824454
4 √n
66.990645993326
5 √n
28.894243779022
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 181 , 362 , 543 , 905 , 1086 , 1810 , 2715 , 3709 , 5430 , 7418 , 11127 , 18545 , 22254 , 37090 , 55635 , 111270 , 671329 , 1342658 , 2013987 , 3356645 , 4027974 , 6713290 , 10069935 , 20139870
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20139869
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20139870 can be divided by 32 positive divisors.
The sum of these divisors (counting 20139870) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110100111101011110
3
Ternary
1101220012201010
4
Quaternary
1030310331132
5
Quinary
20123433440
6
Senary
1555400050
8
Octal
114647536
10
Decimal
20139870
12
Duodecimal
68b3026
16
Hexadecimal
1334f5e
20
Vigesimal
65h9da
36
Base36
bzo0u
md5
230f32bc69ebb394e6d69e7932e6a717
sha1
adef014d1f2919117b5a8a88a86b652615799458
sha256
ebdda0cc0f1e7e92b0fca3294cf77d83326542c715d85eb2022d61718a1a4594
sha512
e302fd557723aa86cbb7895ed724300353af82ed90cc9f01003981d77a3e2365fad5ef9d69c8eac4beb57c4a2a3bb0baeb11913e348c839e48e6a79b4cc155fb
ripemd-160
c71385e3df6821776bc3bfb7ad6b596515a2c128
Diameter
40279740
Circumference
126542535.27251
Area
1.2742751049294E+15
Volume
3.4218313276685E+22
Surface area
5.0971004197174E+15
Circumference
126542535.27251
Perimeter
80559480
Area
405614363616900
Diagonal
28482077.298431
Surface area
2433686181701400
Volume
8.1690205533771E+21
Space diagonal
34883278.097832
Perimeter
60419610
Area
1.7563617151605E+14
Altitude
17441639.048916
Surface area
1.7563617151605E+14
Volume
9.627283048242E+20
Height
9494025.7661437