1247142 is an even 7-digits composite number following 1247141
and preceding 1247143 . In scientific notation, it is written as 1.247142 × 10^6.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 375840 positive integers (up to 1247142) that are relatively prime to 1247142.
1247142 has 32 divisors, whose sum is 2741760
The reverse of 1247142 is 2417421
Previous prime number is 59
Is Prime? no
Number parity even
Number length 7
Sum of Digits 21
Digital Root 3
Name
one million two hundred forty-seven thousand one hundred forty-two
Scientific notation
1.247142 × 10^6
Engineering notation
1.247142 × 10^6
Prime Factorization
2 × 13 × 3 × 59 × 271
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1247142
Product of the distinct prime numbers
The prime factorization of 1247142 is 2 × 13 × 3 × 59 × 271.
Since it has a total of 5 prime factors.
10 , 4 , 7 , 34 , 605 , 594 , 5156 , 7883 , 49006 , 92520 , 195000 , 473825 , 5780305 , 8128854 , 44550941 , 66042353 , 774039163 , 530597716 , 4676321097 , 8591273677
n×2
2494284
n×3
3741426
n×4
4988568
n×5
6235710
n÷2
623571
n÷3
415714
n÷3
311785.5
n÷5
249428.4
n2
1555363168164
n3
1939758732270387288
n4
2.4191545848812E+24
n5
3.0170292872979E+30
2 √n
1116.7551208748
3 √n
107.63957352754
4 √n
33.417886241873
5 √n
16.564684978823
1 , 2 , 3 , 6 , 13 , 26 , 39 , 59 , 78 , 118 , 177 , 271 , 354 , 542 , 767 , 813 , 1534 , 1626 , 2301 , 3523 , 4602 , 7046 , 10569 , 15989 , 21138 , 31978 , 47967 , 95934 , 207857 , 415714 , 623571 , 1247142
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
-1247141
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 1247142 can be divided by 32 positive divisors.
The sum of these divisors (counting 1247142) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110000011110100110
3
Ternary
2100100202110
4
Quaternary
10300132212
5
Quinary
304402032
6
Senary
42421450
8
Octal
4603646
10
Decimal
1247142
12
Duodecimal
501886
16
Hexadecimal
1307a6
20
Vigesimal
7fhh2
36
Base36
qqau
md5
af60caa60541213d6fcc810344b2bc73
sha1
5c8689dfae2b2a64cf92809df77cbb09834c4ed2
sha256
23125670dc12c5c595a592adc53b1cb95b9fd58460f9ebf5258564f234e525e3
sha512
942230ddc755163e7ec81f668438c78c18960031cf7d763732c9d935973f31de4a035ca626e04e1c7a5e203b5e03aa48bb5570377e8f10f07c4ca71f4bae4095
ripemd-160
f30490968b3f3694f260b3158607dc34a29207e8
Diameter
2494284
Circumference
7836024.2903666
Area
4886317502768.2
Volume
8.1252423773831E+18
Surface area
19545270011073
Circumference
7836024.2903666
Perimeter
4988568
Area
1555363168164
Diagonal
1763725.1306051
Surface area
9332179008984
Volume
1939758732270387288
Space diagonal
2160113.3082531
Perimeter
3741426
Area
673492007870.34
Altitude
1080056.6541265
Surface area
673492007870.34
Volume
2.2860275890904E+17
Height
587908.37686837