1557142 is an even 7-digits composite number following 1557141
and preceding 1557143 . In scientific notation, it is written as 1.557142 × 10^6.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 772752 positive integers (up to 1557142) that are relatively prime to 1557142.
1557142 has 8 divisors, whose sum is 2353176
The reverse of 1557142 is 2417551
Previous prime number is 137
Is Prime? no
Number parity even
Number length 7
Sum of Digits 25
Digital Root 7
Name
one million five hundred fifty-seven thousand one hundred forty-two
Scientific notation
1.557142 × 10^6
Engineering notation
1.557142 × 10^6
Prime Factorization
2 × 137 × 5683
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1557142
Product of the distinct prime numbers
The prime factorization of 1557142 is 2 × 137 × 5683.
Since it has a total of 3 prime factors.
6 , 5 , 78 , 35 , 964 , 153 , 2904 , 550 , 70 , 64267 , 972351 , 197566 , 2473344 , 6143900 , 47975483 , 91382718 , 637730398 , 836489546 , 1190124525 , 7656689750
n×2
3114284
n×3
4671426
n×4
6228568
n×5
7785710
n÷2
778571
n÷3
519047.33333333
n÷3
389285.5
n÷5
311428.4
n2
2424691208164
n3
3775588517262907288
n4
5.8791274549478E+24
n5
9.1546362834523E+30
2 √n
1247.8549595205
3 √n
115.90693089773
4 √n
35.324990580615
5 √n
17.316720359844
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
-1557141
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 1557142 can be divided by 8 positive divisors.
The sum of these divisors (counting 1557142) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111100001010010110
3
Ternary
2221002222221
4
Quaternary
11330022112
5
Quinary
344312032
6
Senary
53212554
8
Octal
5741226
10
Decimal
1557142
12
Duodecimal
63115a
16
Hexadecimal
17c296
20
Vigesimal
9ech2
36
Base36
xdhy
md5
4d0b89494998c69035c7a1b360328b9a
sha1
954a2e0ecffd73d6aea950233a74d358bde83602
sha256
a4a8504712b61f8e5d6ea6e32b90eb8a3c31d2f964dbe0136259ec141585bf3d
sha512
ba90cebfa58fc4b5cdf96dcd96c5a63196e030bbf27f75a63b5895a227a7dfb53cf573cbb85d5c48260742331bf0d4a0adb55bcfa71882ee5703fd08081ef2ba
ripemd-160
8bd6459b08e7fb584dcf7a90c7aebe036f1f93e2
Diameter
3114284
Circumference
9783811.7355922
Area
7617392086791.8
Volume
1.5815148198415E+19
Surface area
30469568347167
Circumference
9783811.7355922
Perimeter
6228568
Area
2424691208164
Diagonal
2202131.3349408
Surface area
14548147248984
Volume
3775588517262907288
Space diagonal
2697049.0585994
Perimeter
4671426
Area
1049922091301.4
Altitude
1348524.5292997
Surface area
1049922091301.4
Volume
4.4495737392111E+17
Height
734043.77831359