1298145 is an odd 7-digits composite number following 1298144
and preceding 1298146 . In scientific notation, it is written as 1.298145 × 10^6.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 673344 positive integers (up to 1298145) that are relatively prime to 1298145.
1298145 has 8 divisors, whose sum is 1740960
The reverse of 1298145 is 5418921
Previous prime number is 185
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 30
Digital Root 3
Name
one million two hundred ninety-eight thousand one hundred forty-five
Scientific notation
1.298145 × 10^6
Engineering notation
1.298145 × 10^6
Prime Factorization
3 × 185 × 2339
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1298145
Product of the distinct prime numbers
The prime factorization of 1298145 is 3 × 185 × 2339.
Since it has a total of 3 prime factors.
10 , 6 , 62 , 94 , 333 , 841 , 7368 , 4788 , 61741 , 44981 , 864659 , 171369 , 8910769 , 3144896 , 66989099 , 16229472 , 164674685 , 800761987 , 3276809576 , 7913577051
n×2
2596290
n×3
3894435
n×4
5192580
n×5
6490725
n÷2
649072.5
n÷3
432715
n÷3
324536.25
n÷5
259629
n2
1685180441025
n3
2187608563614398625
n4
2.8398331188132E+24
n5
3.6865151640218E+30
2 √n
1139.3616633888
3 √n
109.08735247243
4 √n
33.754431759234
5 √n
16.698007084868
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
-1298144
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 1298145 can be divided by 8 positive divisors.
The sum of these divisors (counting 1298145) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111100111011100001
3
Ternary
2102221201110
4
Quaternary
10330323201
5
Quinary
313020040
6
Senary
43453533
8
Octal
4747341
10
Decimal
1298145
12
Duodecimal
5272a9
16
Hexadecimal
13cee1
20
Vigesimal
82575
36
Base36
rtnl
md5
49eb70dcf16e988c9dcbfb5cbc53e219
sha1
2f324c71dc677fecf263211da6f442266fe58396
sha256
e308ce43abffe849f6d7ea0fcdf0677621ea5b9bdfc4ef867ac0f8e94bf7a934
sha512
6a0e23735b3e9fd8262295e27ee5150ba36465d54e0b15ea2cc2300b4b1eebdd2df86bef2d2e7e90080e94487baec893cd0ad586bfc64e8f8d968136273a3392
ripemd-160
67d4eeb9380412c508aff0e9518bb252c8ee4666
Diameter
2596290
Circumference
8156485.5905886
Area
5294150493497.3
Volume
9.1634333231748E+18
Surface area
21176601973989
Circumference
8156485.5905886
Perimeter
5192580
Area
1685180441025
Diagonal
1835854.2649268
Surface area
10111082646150
Volume
2187608563614398625
Space diagonal
2248453.0955915
Perimeter
3894435
Area
729704535944.16
Altitude
1124226.5477957
Surface area
729704535944.16
Volume
2.5781214165225E+17
Height
611951.42164227