1297661661 is an odd 10-digits composite number following 1297661660
and preceding 1297661662 . In scientific notation, it is written as 1.297661661 × 10^9.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 863322624 positive integers (up to 1297661661) that are relatively prime to 1297661661.
1297661661 has 8 divisors, whose sum is 1348500160
The reverse of 1297661661 is 1661667921
Previous prime number is 487
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion two hundred ninety-seven million six hundred sixty-one thousand six hundred sixty-one
Scientific notation
1.297661661 × 10^9
Engineering notation
1.297661661 × 10^9
Prime Factorization
27 × 487 × 98689
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1297661661
Product of the distinct prime numbers
The prime factorization of 1297661661 is 27 × 487 × 98689.
Since it has a total of 3 prime factors.
5 , 3 , 62 , 58 , 710 , 224 , 7665 , 5699 , 58809 , 55918 , 512136 , 61074 , 8046394 , 9413181 , 15516865 , 78836586 , 249123424 , 373332498 , 2860317728 , 1278712281
n×2
2595323322
n×3
3892984983
n×4
5190646644
n×5
6488308305
n÷2
648830830.5
n÷3
432553887
n÷3
324415415.25
n÷5
259532332.2
n2
1683925786429278921
n3
2.1851659330185E+27
n4
2.8356060542015E+36
n5
3.6796572622367E+45
2 √n
36023.071232198
3 √n
1090.7381194163
4 √n
189.79744790749
5 √n
66.471012600995
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
-1297661660
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 1297661661 can be divided by 8 positive divisors.
The sum of these divisors (counting 1297661661) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101010110001011111011011101
3
Ternary
10100102210001011000
4
Quaternary
1031112023323131
5
Quinary
10124200133121
6
Senary
332433220513
8
Octal
11526137335
10
Decimal
1297661661
12
Duodecimal
302701739
16
Hexadecimal
4d58bedd
20
Vigesimal
105a7e31
36
Base36
lgle59
md5
fd1c9d7811ebc1bfa9887bcf1ebb3c9f
sha1
cdd931733aba349fb7c24b0eeb86c304ae1a14ff
sha256
97af606f1d5a60605bf0b781ac3a112683f7ed1a53a22b1b4abf9cc5c974d5b4
sha512
d1015b8c63f962adb623508d62ace2a675d4105084d76c2aadaa5559771b355912b2cc5a43ff1e3b918e6feb1c19723afb271684ce04dad0f77a60174cd2930f
ripemd-160
190f11a9640e1df6307a5c110f917de7941a37d1
Diameter
2595323322
Circumference
8153448682.0855
Area
5.2902088798366E+18
Volume
9.153201656061E+27
Surface area
2.1160835519347E+19
Circumference
8153448682.0855
Perimeter
5190646644
Area
1683925786429278921
Diagonal
1835170720.3578
Surface area
1.0103554718576E+19
Volume
2.1851659330185E+27
Space diagonal
2247615927.8862
Perimeter
3892984983
Area
7.2916125456772E+17
Altitude
1123807963.9431
Surface area
7.2916125456772E+17
Volume
2.5752427487587E+26
Height
611723573.4526