1297752761 is an odd 10-digits prime number following 1297752760
and preceding 1297752762 . In scientific notation, it is written as 1.297752761 × 10^9.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 1297752760 positive integers (up to 1297752761) that are relatively prime to 1297752761.
1297752761 has 2 divisors, whose sum is 1297752762
The reverse of 1297752761 is 1672577921
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion two hundred ninety-seven million seven hundred fifty-two thousand seven hundred sixty-one
Scientific notation
1.297752761 × 10^9
Engineering notation
1.297752761 × 10^9
Prime Factorization
1297752761
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1297752761
Product of the distinct prime numbers
The prime factorization of 1297752761 is 1297752761.
Since it has a total of 1 prime factors.
7 , 8 , 20 , 9 , 408 , 766 , 7463 , 9913 , 18830 , 84890 , 790145 , 84111 , 1967020 , 637840 , 63864330 , 14315365 , 202664530 , 300116181 , 6037762664 , 3961134614
n×2
2595505522
n×3
3893258283
n×4
5191011044
n×5
6488763805
n÷2
648876380.5
n÷3
432584253.66667
n÷3
324438190.25
n÷5
259550552.2
n2
1684162228683123121
n3
2.1856261822454E+27
n4
2.8364024125229E+36
n5
3.6809490621587E+45
2 √n
36024.335677428
3 √n
1090.7636432542
4 √n
189.80077891681
5 √n
66.471945870335
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1297752762
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
648876381
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
36024.335691307
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999984589
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1297752761 can be divided by 2 positive divisors.
The sum of these divisors (counting 1297752761) is 1297752762, the average is 648876381.
Base
System
Value
2
Binary
1001101010110100010001010111001
3
Ternary
10100102221200010002
4
Quaternary
1031112202022321
5
Quinary
10124211042021
6
Senary
332435202345
8
Octal
11526421271
10
Decimal
1297752761
12
Duodecimal
3027463b5
16
Hexadecimal
4d5a22b9
20
Vigesimal
105aj1i1
36
Base36
lgncft
md5
0e12053e8ee0f101dc07925e8b6989df
sha1
ff5a495d705b365862d88d353499ba47e97e322a
sha256
c40a5ae287984f8eae6245681f86aa7420a3773068279bf38d1a9cb4e72272cc
sha512
bc1501a4d914bf394ae9db3405036b47f598f853c0e8f7e695a1e846b97b26ed8dc6f2ede01a2b5283a53afebf485cc030d567b16bf3f007a8dcccd889ff941a
ripemd-160
748659fb8897e69c173a037124d6c6eb36d02b7a
Diameter
2595505522
Circumference
8154021080.2669
Area
5.2909516850843E+18
Volume
9.1551295435144E+27
Surface area
2.1163806740337E+19
Circumference
8154021080.2669
Perimeter
5191011044
Area
1684162228683123121
Diagonal
1835299555.2133
Surface area
1.0104973372099E+19
Volume
2.1856261822454E+27
Space diagonal
2247773717.7148
Perimeter
3893258283
Area
7.292636370669E+17
Altitude
1123886858.8574
Surface area
7.292636370669E+17
Volume
2.5757851576744E+26
Height
611766518.40444