20142939 is an odd 8-digits composite number following 20142938
and preceding 20142940 . In scientific notation, it is written as 2.0142939 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13416480 positive integers (up to 20142939) that are relatively prime to 20142939.
20142939 has 8 divisors, whose sum is 26881552
The reverse of 20142939 is 93924102
Previous prime number is 1453
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred forty-two thousand nine hundred thirty-nine
Scientific notation
2.0142939 × 10^7
Engineering notation
2.0142939 × 10^6
Prime Factorization
3 × 1453 × 4621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20142939
Product of the distinct prime numbers
The prime factorization of 20142939 is 3 × 1453 × 4621.
Since it has a total of 3 prime factors.
1 , 4 , 76 , 5 , 652 , 481 , 4407 , 4310 , 47710 , 81685 , 451746 , 403233 , 17859 , 6784634 , 48965339 , 49141373 , 656467569 , 176842563 , 7743735858 , 6758492423
n×2
40285878
n×3
60428817
n×4
80571756
n×5
100714695
n÷2
10071469.5
n÷3
6714313
n÷3
5035734.75
n÷5
4028587.8
n2
405737991557721
n3
8.1727556139297E+21
n4
1.6462331779329E+29
n5
3.3159974482879E+36
2 √n
4488.0885686448
3 √n
272.08688743067
4 √n
66.993197928184
5 √n
28.895124331176
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
-20142938
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 20142939 can be divided by 8 positive divisors.
The sum of these divisors (counting 20142939) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110101101101011011
3
Ternary
1101220100220210
4
Quaternary
1030311231123
5
Quinary
20124033224
6
Senary
1555422203
8
Octal
114655533
10
Decimal
20142939
12
Duodecimal
68b4963
16
Hexadecimal
1335b5b
20
Vigesimal
65hh6j
36
Base36
bzqe3
md5
909fd4994332c9efbb000c904c75e54c
sha1
f7650a66df4416f44b20d7ac641d667a92250692
sha256
e25c6eafb497a486d8010f8db7af01c0c8f1225b414a75abde81feed8216c943
sha512
31da3d9fff9f6f42fbb6d98234f18c4082826657ce4b9c39fb145e081725cd7b20750ff6cfaba6e8f812b3456c8a45b2894e0a658dd80b2223839fe2b707beb5
ripemd-160
200185954242524fca42b7e0e82351f81f458646
Diameter
40285878
Circumference
126561818.36821
Area
1.27466349356E+15
Volume
3.4233958661742E+22
Surface area
5.0986539742401E+15
Circumference
126561818.36821
Perimeter
80571756
Area
405737991557721
Diagonal
28486417.519854
Surface area
2434427949346326
Volume
8.1727556139297E+21
Space diagonal
34888593.761761
Perimeter
60428817
Area
1.7568970398473E+14
Altitude
17444296.88088
Surface area
1.7568970398473E+14
Volume
9.6316848593168E+20
Height
9495472.506618