2945142 is an even 7-digits composite number following 2945141
and preceding 2945143 . In scientific notation, it is written as 2.945142 × 10^6.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 973440 positive integers (up to 2945142) that are relatively prime to 2945142.
2945142 has 24 divisors, whose sum is 6435000
The reverse of 2945142 is 2415492
Previous prime number is 131
Is Prime? no
Number parity even
Number length 7
Sum of Digits 27
Digital Root 9
Name
two million nine hundred forty-five thousand one hundred forty-two
Scientific notation
2.945142 × 10^6
Engineering notation
2.945142 × 10^6
Prime Factorization
2 × 3 × 3 × 131 × 1249
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
981714
Product of the distinct prime numbers
The prime factorization of 2945142 is 2 × 3 × 3 × 131 × 1249.
Since it has a total of 5 prime factors.
3 , 5 , 91 , 98 , 447 , 152 , 2721 , 5366 , 22333 , 56472 , 430019 , 108563 , 6642207 , 7209390 , 59764350 , 17260699 , 14756678 , 119104669 , 4806143861 , 6839494548
n×2
5890284
n×3
8835426
n×4
11780568
n×5
14725710
n÷2
1472571
n÷3
981714
n÷3
736285.5
n÷5
589028.4
n2
8673861400164
n3
2.5545753511802E+19
n4
7.5235871589255E+25
n5
2.2158032532412E+32
2 √n
1716.1416025492
3 √n
143.34044433202
4 √n
41.426339478032
5 √n
19.670764899416
1 , 2 , 3 , 6 , 9 , 18 , 131 , 262 , 393 , 786 , 1179 , 1249 , 2358 , 2498 , 3747 , 7494 , 11241 , 22482 , 163619 , 327238 , 490857 , 981714 , 1472571 , 2945142
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2945141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2945142 can be divided by 24 positive divisors.
The sum of these divisors (counting 2945142) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1011001111000001110110
3
Ternary
12112121222100
4
Quaternary
23033001312
5
Quinary
1223221032
6
Senary
143042530
8
Octal
13170166
10
Decimal
2945142
12
Duodecimal
ba0446
16
Hexadecimal
2cf076
20
Vigesimal
i82h2
36
Base36
1r4hi
md5
bfd19f557e03f5486ea146ed0928e6ac
sha1
9b6d603ada30f13207600edb9f51e854d2d60d81
sha256
0be0fb1c7684b97dc0586f3a687ebd66d24ef3dcf71b1635f53105538fa8c4a6
sha512
b52f50f95c67484efb173fde68512f2207007b2d9ea502eda59cc96f3f495e334d423b85423b62d3973d68fdaf4e9420cc7ef72cdcde4096d40419c6de7a9ddc
ripemd-160
28a883efb72ec5aad96172a62c33acb69e89d0c3
Diameter
5890284
Circumference
18504872.941957
Area
27249739253011
Volume
1.0700580208412E+20
Surface area
1.0899895701205E+14
Circumference
18504872.941957
Perimeter
11780568
Area
8673861400164
Diagonal
4165059.7595146
Surface area
52043168400984
Volume
2.5545753511802E+19
Space diagonal
5101135.579505
Perimeter
8835426
Area
3755892160723.6
Altitude
2550567.7897525
Surface area
3755892160723.6
Volume
3.0105959231192E+18
Height
1388353.2531715