20151442 is an even 8-digits composite number following 20151441
and preceding 20151443 . In scientific notation, it is written as 2.0151442 × 10^7.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 10068372 positive integers (up to 20151442) that are relatively prime to 20151442.
20151442 has 8 divisors, whose sum is 30249216
The reverse of 20151442 is 24415102
Previous prime number is 5527
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred fifty-one thousand four hundred forty-two
Scientific notation
2.0151442 × 10^7
Engineering notation
2.0151442 × 10^6
Prime Factorization
2 × 5527 × 1823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20151442
Product of the distinct prime numbers
The prime factorization of 20151442 is 2 × 5527 × 1823.
Since it has a total of 3 prime factors.
6 , 1 , 8 , 27 , 624 , 248 , 9374 , 769 , 38300 , 49610 , 924855 , 375996 , 3675816 , 8084394 , 51809140 , 20151014 , 9857278 , 465211532 , 6707008808 , 7977153261
n×2
40302884
n×3
60454326
n×4
80605768
n×5
100757210
n÷2
10075721
n÷3
6717147.3333333
n÷3
5037860.5
n÷5
4030288.4
n2
406080614679364
n3
8.1831099540356E+21
n4
1.6490146561837E+29
n5
3.3230023201236E+36
2 √n
4489.0357539231
3 √n
272.12516766604
4 √n
67.00026681979
5 √n
28.897563436673
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
-20151441
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 20151442 can be divided by 8 positive divisors.
The sum of these divisors (counting 20151442) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110111110010010010
3
Ternary
1101220210120201
4
Quaternary
1030313302102
5
Quinary
20124321232
6
Senary
1555525414
8
Octal
114676222
10
Decimal
20151442
12
Duodecimal
68b986a
16
Hexadecimal
1337c92
20
Vigesimal
65iic2
36
Base36
bzwya
md5
1cea78cb3a4cd9a14d93142edb1f5709
sha1
23d349418b6ad54488721a3f3c5fa683e416ab8e
sha256
d2817c6256ec10ce27b6a8b85933b06b2f9b0f8392e8d09fe735c2c53cf26087
sha512
ca5678d1fe3152f175000fc3139a031554e6fa58182f9eb92228f73b18f70ebf96b19bc9e4e6f4f26a9a94f188f60cf195a81adfd07f6c4273b7824093f61b1f
ripemd-160
ab40edaa200df02525a1996f5a8dc0abf68dfa27
Diameter
40302884
Circumference
126615244.29288
Area
1.2757398758419E+15
Volume
3.4277330820154E+22
Surface area
5.1029595033677E+15
Circumference
126615244.29288
Perimeter
80605768
Area
406080614679364
Diagonal
28498442.577775
Surface area
2436483688076184
Volume
8.1831099540356E+21
Space diagonal
34903321.389777
Perimeter
60454326
Area
1.7583806414836E+14
Altitude
17451660.694889
Surface area
1.7583806414836E+14
Volume
9.6438875661561E+20
Height
9499480.8592583