1297934987 is an odd 10-digits prime number following 1297934986
and preceding 1297934988 . In scientific notation, it is written as 1.297934987 × 10^9.
The sum of its digits is 59. It has a total of 1 prime factors and 2 positive divisors.
There are 1297934986 positive integers (up to 1297934987) that are relatively prime to 1297934987.
1297934987 has 2 divisors, whose sum is 1297934988
The reverse of 1297934987 is 7894397921
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 59
Digital Root 5
Name
one billion two hundred ninety-seven million nine hundred thirty-four thousand nine hundred eighty-seven
Scientific notation
1.297934987 × 10^9
Engineering notation
1.297934987 × 10^9
Prime Factorization
1297934987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1297934987
Product of the distinct prime numbers
The prime factorization of 1297934987 is 1297934987.
Since it has a total of 1 prime factors.
9 , 5 , 32 , 54 , 492 , 720 , 6359 , 7547 , 57128 , 31705 , 742697 , 226486 , 565965 , 2934537 , 1743852 , 87394433 , 443578529 , 252989262 , 896898917 , 7219897202
n×2
2595869974
n×3
3893804961
n×4
5191739948
n×5
6489674935
n÷2
648967493.5
n÷3
432644995.66667
n÷3
324483746.75
n÷5
259586997.4
n2
1684635230478690169
n3
2.1865470059711E+27
n4
2.83799585977E+36
n5
3.6835341193566E+45
2 √n
36026.864795594
3 √n
1090.8146946303
4 √n
189.80744135991
5 √n
66.473812518111
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1297934988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
648967494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
36026.864809472
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999984591
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1297934987 can be divided by 2 positive divisors.
The sum of these divisors (counting 1297934987) is 1297934988, the average is 648967494.
Base
System
Value
2
Binary
1001101010111001110101010001011
3
Ternary
10100110021221002012
4
Quaternary
1031113032222023
5
Quinary
10124232404422
6
Senary
332443130135
8
Octal
11527165213
10
Decimal
1297934987
12
Duodecimal
30281394b
16
Hexadecimal
4d5cea8b
20
Vigesimal
105c1h97
36
Base36
lgr91n
md5
5dad2f1a2dfb6b182c2d27556c327bb5
sha1
e3c55b02da350fb50d0c403e2a4b0295051b96a1
sha256
10dc71aa2b5466aab02461486b03a0ff340605752e5578ac5e71c177d0c57968
sha512
1bbd48d86b1d32172cd2671dea141f46625be09a0429c311c7602348b6989f4b5816a39e00e4f8267154573f59a444c7000c62b20438ba1bf430ad8b92b33b86
ripemd-160
9f694f3a7006257513ad83ddcae280bbcfdf9117
Diameter
2595869974
Circumference
8155166039.9927
Area
5.2924376640504E+18
Volume
9.1589866809168E+27
Surface area
2.1169750656202E+19
Circumference
8155166039.9927
Perimeter
5191739948
Area
1684635230478690169
Diagonal
1835557261.6939
Surface area
1.0107811382872E+19
Volume
2.1865470059711E+27
Space diagonal
2248089342.4053
Perimeter
3893804961
Area
7.294684528524E+17
Altitude
1124044671.2026
Surface area
7.294684528524E+17
Volume
2.5768703588422E+26
Height
611852420.56465