1297372721 is an odd 10-digits prime number following 1297372720
and preceding 1297372722 . In scientific notation, it is written as 1.297372721 × 10^9.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 1297372720 positive integers (up to 1297372721) that are relatively prime to 1297372721.
1297372721 has 2 divisors, whose sum is 1297372722
The reverse of 1297372721 is 1272737921
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 41
Digital Root 5
Name
one billion two hundred ninety-seven million three hundred seventy-two thousand seven hundred twenty-one
Scientific notation
1.297372721 × 10^9
Engineering notation
1.297372721 × 10^9
Prime Factorization
1297372721
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1297372721
Product of the distinct prime numbers
The prime factorization of 1297372721 is 1297372721.
Since it has a total of 1 prime factors.
1 , 6 , 41 , 73 , 401 , 323 , 9279 , 2788 , 45831 , 34746 , 671875 , 884520 , 7460713 , 1758843 , 23355269 , 63818726 , 943040107 , 759897497 , 3460483287 , 856207334
n×2
2594745442
n×3
3892118163
n×4
5189490884
n×5
6486863605
n÷2
648686360.5
n÷3
432457573.66667
n÷3
324343180.25
n÷5
259474544.2
n2
1683175977194943841
n3
2.1837065974552E+27
n4
2.8330813702062E+36
n5
3.6755624860788E+45
2 √n
36019.060523562
3 √n
1090.65715808
4 √n
189.7868818532
5 √n
66.46805222299
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1297372722
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
648686361
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
36019.060537443
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999984584
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1297372721 can be divided by 2 positive divisors.
The sum of these divisors (counting 1297372721) is 1297372722, the average is 648686361.
Base
System
Value
2
Binary
1001101010101000101011000110001
3
Ternary
10100102020100210112
4
Quaternary
1031111011120301
5
Quinary
10124111411341
6
Senary
332423111105
8
Octal
11525053061
10
Decimal
1297372721
12
Duodecimal
3025a2495
16
Hexadecimal
4d545631
20
Vigesimal
1058bbg1
36
Base36
lgf775
md5
208360b100091e4c92574a74bf83e971
sha1
003dd77c384d1eac78e39d88619e77290d6beed0
sha256
1aa6ad9e6b657820515a1129e134d9f9dd17211c2657055d102a9454c847b7d2
sha512
236c888fa83c4e3c3a444e80c76a16d19fde71e6394fcef08f501f05fae8ee07b4e60e4561a5861b1bc3d18a3c089dff91355e25347ca5c2d2ca694c1af00e83
ripemd-160
37989cea8c22ab395424ca287a130af14e46729f
Diameter
2594745442
Circumference
8151633218.5228
Area
5.2878532846545E+18
Volume
9.1470888055479E+27
Surface area
2.1151413138618E+19
Circumference
8151633218.5228
Perimeter
5189490884
Area
1683175977194943841
Diagonal
1834762097.4911
Surface area
1.009905586317E+19
Volume
2.1837065974552E+27
Space diagonal
2247115469.1259
Perimeter
3892118163
Area
7.2883657764526E+17
Altitude
1123557734.5629
Surface area
7.2883657764526E+17
Volume
2.573522905304E+26
Height
611587365.83036