1297934981 is an odd 10-digits composite number following 1297934980
and preceding 1297934982 . In scientific notation, it is written as 1.297934981 × 10^9.
The sum of its digits is 53. It has a total of 5 prime factors and 20 positive divisors.
There are 1100848896 positive integers (up to 1297934981) that are relatively prime to 1297934981.
1297934981 has 20 divisors, whose sum is 1530051852
The reverse of 1297934981 is 1894397921
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 53
Digital Root 8
Name
one billion two hundred ninety-seven million nine hundred thirty-four thousand nine hundred eighty-one
Scientific notation
1.297934981 × 10^9
Engineering notation
1.297934981 × 10^9
Prime Factorization
7 × 7 × 49 × 97 × 5573
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
185419283
Product of the distinct prime numbers
The prime factorization of 1297934981 is 7 × 7 × 49 × 97 × 5573.
Since it has a total of 5 prime factors.
8 , 9 , 18 , 47 , 118 , 28 , 9246 , 9182 , 2290 , 26852 , 442530 , 989903 , 6606830 , 9916278 , 52147990 , 55627369 , 227250981 , 799399357 , 228519617 , 2068220321
n×2
2595869962
n×3
3893804943
n×4
5191739924
n×5
6489674905
n÷2
648967490.5
n÷3
432644993.66667
n÷3
324483745.25
n÷5
259586996.2
n2
1684635214903470361
n3
2.1865469756477E+27
n4
2.8379958072929E+36
n5
3.6835340342167E+45
2 √n
36026.864712323
3 √n
1090.8146929495
4 √n
189.80744114055
5 √n
66.473812456653
1 , 7 , 49 , 97 , 343 , 679 , 2401 , 4753 , 5573 , 33271 , 39011 , 232897 , 273077 , 540581 , 1911539 , 3784067 , 13380773 , 26488469 , 185419283 , 1297934981
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1297934980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1297934981 can be divided by 20 positive divisors.
The sum of these divisors (counting 1297934981) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001101010111001110101010000101
3
Ternary
10100110021221001222
4
Quaternary
1031113032222011
5
Quinary
10124232404411
6
Senary
332443130125
8
Octal
11527165205
10
Decimal
1297934981
12
Duodecimal
302813945
16
Hexadecimal
4d5cea85
20
Vigesimal
105c1h91
36
Base36
lgr91h
md5
8ebb8bf2af4870c1fafb90c18c7fc56f
sha1
4d2e220a0f6dabdfc373ea0ed038eb2ab29e069c
sha256
1da430a67f979a92a21db0197273d75415d9cc8c58ab0066036cb52e23f695cc
sha512
57a4b5510492b22e5a7c5c70413a70387be96e6568864926b8336cab9a8a69d842eccf7004ed0db4b86125a71789af12b873b4b8721c20e85367f1ca7f07eb04
ripemd-160
02904a1f4aaf56c25c8469edc3cccbefe87a043d
Diameter
2595869962
Circumference
8155166002.2936
Area
5.2924376151194E+18
Volume
9.1589865538983E+27
Surface area
2.1169750460478E+19
Circumference
8155166002.2936
Perimeter
5191739924
Area
1684635214903470361
Diagonal
1835557253.2087
Surface area
1.0107811289421E+19
Volume
2.1865469756477E+27
Space diagonal
2248089332.0129
Perimeter
3893804943
Area
7.2946844610813E+17
Altitude
1124044666.0065
Surface area
7.2946844610813E+17
Volume
2.5768703231057E+26
Height
611852417.73622