1297768905 is an odd 10-digits composite number following 1297768904
and preceding 1297768906 . In scientific notation, it is written as 1.297768905 × 10^9.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 662048640 positive integers (up to 1297768905) that are relatively prime to 1297768905.
1297768905 has 16 divisors, whose sum is 1755440400
The reverse of 1297768905 is 5098677921
Previous prime number is 69
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion two hundred ninety-seven million seven hundred sixty-eight thousand nine hundred five
Scientific notation
1.297768905 × 10^9
Engineering notation
1.297768905 × 10^9
Prime Factorization
5 × 9 × 69 × 417961
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1297768905
Product of the distinct prime numbers
The prime factorization of 1297768905 is 5 × 9 × 69 × 417961.
Since it has a total of 4 prime factors.
7 , 10 , 12 , 53 , 485 , 82 , 4868 , 9258 , 14612 , 63379 , 524029 , 42729 , 4282323 , 1565297 , 41232377 , 24209769 , 515578005 , 445202538 , 6914940320 , 8981481880
n×2
2595537810
n×3
3893306715
n×4
5191075620
n×5
6488844525
n÷2
648884452.5
n÷3
432589635
n÷3
324442226.25
n÷5
259553781
n2
1684204130784899025
n3
2.1857077506052E+27
n4
2.8365435541529E+36
n5
3.6811780222578E+45
2 √n
36024.559747483
3 √n
1090.7681662562
4 √n
189.80136919286
5 √n
66.472111251259
1 , 5 , 9 , 45 , 69 , 345 , 621 , 3105 , 417961 , 2089805 , 3761649 , 18808245 , 28839309 , 144196545 , 259553781 , 1297768905
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1297768904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1297768905 can be divided by 16 positive divisors.
The sum of these divisors (counting 1297768905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101010110100110000111001001
3
Ternary
10100102222111021000
4
Quaternary
1031112212013021
5
Quinary
10124212101110
6
Senary
332435405213
8
Octal
11526460711
10
Decimal
1297768905
12
Duodecimal
302753809
16
Hexadecimal
4d5a61c9
20
Vigesimal
105b1255
36
Base36
lgnow9
md5
02f69139281ab236cc9b2f3038cbbf8e
sha1
b788a081d6e5091ec8cfe2b66f60f9d1e52a8743
sha256
f884c96e06cc5d5d3c59b81eb118c26f807ffeb500a0e72acc1b4c9b4192fe6e
sha512
e85c0bb14e56a8bfaa951080ece649347aa8736b584c595b3bc95818a1d2cbc5590b3377344375bfca47a67cd8c8653b3b52ed0b9bda435c0e694b5594fc5194
ripemd-160
faf231941edea40f8d9a652baaffa81be086b5e0
Diameter
2595537810
Circumference
8154122516.0105
Area
5.2910833244194E+18
Volume
9.1554712162607E+27
Surface area
2.1164333297678E+19
Circumference
8154122516.0105
Perimeter
5191075620
Area
1684204130784899025
Diagonal
1835322386.2771
Surface area
1.0105224784709E+19
Volume
2.1857077506052E+27
Space diagonal
2247801679.943
Perimeter
3893306715
Area
7.2928178120921E+17
Altitude
1123900839.9715
Surface area
7.2928178120921E+17
Volume
2.5758812869082E+26
Height
611774128.75903