1297768906 is an even 10-digits composite number following 1297768905
and preceding 1297768907 . In scientific notation, it is written as 1.297768906 × 10^9.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 556186668 positive integers (up to 1297768906) that are relatively prime to 1297768906.
1297768906 has 8 divisors, whose sum is 2224746720
The reverse of 1297768906 is 6098677921
Previous prime number is 7
Is Prime? no
Number parity even
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion two hundred ninety-seven million seven hundred sixty-eight thousand nine hundred six
Scientific notation
1.297768906 × 10^9
Engineering notation
1.297768906 × 10^9
Prime Factorization
2 × 7 × 92697779
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1297768906
Product of the distinct prime numbers
The prime factorization of 1297768906 is 2 × 7 × 92697779.
Since it has a total of 3 prime factors.
3 , 2 , 36 , 17 , 111 , 111 , 2319 , 7184 , 60685 , 16615 , 916598 , 530925 , 6174580 , 6690772 , 15431530 , 76506673 , 519881357 , 150742234 , 1420897651 , 9721136045
n×2
2595537812
n×3
3893306718
n×4
5191075624
n×5
6488844530
n÷2
648884453
n÷3
432589635.33333
n÷3
324442226.5
n÷5
259553781.2
n2
1684204133380436836
n3
2.1857077556578E+27
n4
2.8365435628957E+36
n5
3.6811780364406E+45
2 √n
36024.559761363
3 √n
1090.7681665364
4 √n
189.80136922942
5 √n
66.472111261503
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
-1297768905
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 1297768906 can be divided by 8 positive divisors.
The sum of these divisors (counting 1297768906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101010110100110000111001010
3
Ternary
10100102222111021001
4
Quaternary
1031112212013022
5
Quinary
10124212101111
6
Senary
332435405214
8
Octal
11526460712
10
Decimal
1297768906
12
Duodecimal
30275380a
16
Hexadecimal
4d5a61ca
20
Vigesimal
105b1256
36
Base36
lgnowa
md5
8d1d299fdca6d0b28ac244a90a22034c
sha1
74d4eed4d9545f5aa9c4c69c91e9216135fb0972
sha256
cdd57921ca1eaaf6b7e564be2afe0fd156401042c807402f761009584ee3f5d2
sha512
655255854e911a73badd16c0ca7b515c7009fa5b583e7a6668690e1b2405241beb290d41d4ac94148cc5ede97eaf2fa9bdda0e61bf3bbf79c05e8e5dba079614
ripemd-160
b35fff5e8092f8517b5cf064c58b15a80fe4f2bf
Diameter
2595537812
Circumference
8154122522.2937
Area
5.2910833325735E+18
Volume
9.1554712374251E+27
Surface area
2.1164333330294E+19
Circumference
8154122522.2937
Perimeter
5191075624
Area
1684204133380436836
Diagonal
1835322387.6913
Surface area
1.0105224800283E+19
Volume
2.1857077556578E+27
Space diagonal
2247801681.6751
Perimeter
3893306718
Area
7.2928178233311E+17
Altitude
1123900840.8375
Surface area
7.2928178233311E+17
Volume
2.5758812928628E+26
Height
611774129.23043