1245806988 is an even 10-digits composite number following 1245806987
and preceding 1245806989 . In scientific notation, it is written as 1.245806988 × 10^9.
The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors.
There are 390841344 positive integers (up to 1245806988) that are relatively prime to 1245806988.
1245806988 has 24 divisors, whose sum is 3077876592
The reverse of 1245806988 is 8896085421
Previous prime number is 17
Is Prime? no
Number parity even
Number length 10
Sum of Digits 51
Digital Root 6
Name
one billion two hundred forty-five million eight hundred six thousand nine hundred eighty-eight
Scientific notation
1.245806988 × 10^9
Engineering notation
1.245806988 × 10^9
Prime Factorization
2 × 2 × 3 × 17 × 6106897
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
622903494
Product of the distinct prime numbers
The prime factorization of 1245806988 is 2 × 2 × 3 × 17 × 6106897.
Since it has a total of 5 prime factors.
6 , 9 , 4 , 23 , 728 , 66 , 5025 , 6870 , 52586 , 43881 , 973888 , 243991 , 6214023 , 2535976 , 49116031 , 631913 , 403789817 , 603076470 , 1762858263 , 126215692
n×2
2491613976
n×3
3737420964
n×4
4983227952
n×5
6229034940
n÷2
622903494
n÷3
415268996
n÷3
311451747
n÷5
249161397.6
n2
1552035051349632144
n3
1.9335361125923E+27
n4
2.4088128006179E+36
n5
3.0009158197936E+45
2 √n
35295.991103807
3 √n
1076.011519664
4 √n
187.87227337691
5 √n
65.931074330055
1 , 2 , 3 , 4 , 6 , 12 , 17 , 34 , 51 , 68 , 102 , 204 , 6106897 , 12213794 , 18320691 , 24427588 , 36641382 , 73282764 , 103817249 , 207634498 , 311451747 , 415268996 , 622903494 , 1245806988
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
-1245806987
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 1245806988 can be divided by 24 positive divisors.
The sum of these divisors (counting 1245806988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001010010000011000000110001100
3
Ternary
10012211012112220120
4
Quaternary
1022100120012030
5
Quinary
10022411310423
6
Senary
323341544540
8
Octal
11220300614
10
Decimal
1245806988
12
Duodecimal
2a9275150
16
Hexadecimal
4a41818c
20
Vigesimal
j965h98
36
Base36
klpyto
md5
28e3c86bb0b7d255379a67ade9a138fb
sha1
a18a651dccfe1303c60947f7a8f05c438cde9e83
sha256
5826a97d5fb0c7936abbd414aa5318742a8391e8e83c2c0e467bd6d373c203c3
sha512
30aa585316078ddba48955996346b61e55ee7847e5f46f577906fc0468359e05a9b677e9b29a52c81957d3d4933e08b4c07b836337f3f9d4386611997b198b53
ripemd-160
639fad4a85f9a33acb7480b735798b4c85322d3f
Diameter
2491613976
Circumference
7827636162.5833
Area
4.8758619154339E+18
Volume
8.0991771290274E+27
Surface area
1.9503447661735E+19
Circumference
7827636162.5833
Perimeter
4983227952
Area
1552035051349632144
Diagonal
1761837138.5288
Surface area
9.3122103080978E+18
Volume
1.9335361125923E+27
Space diagonal
2157800999.6404
Perimeter
3737420964
Area
6.7205089101633E+17
Altitude
1078900499.8202
Surface area
6.7205089101633E+17
Volume
2.2786941614718E+26
Height
587279046.17626