1289722972 is an even 10-digits composite number following 1289722971
and preceding 1289722973 . In scientific notation, it is written as 1.289722972 × 10^9.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 640753776 positive integers (up to 1289722972) that are relatively prime to 1289722972.
1289722972 has 12 divisors, whose sum is 2271392200
The reverse of 1289722972 is 2792279821
Previous prime number is 157
Is Prime? no Number parity even Number length 10 Sum of Digits 49 Digital Root 4
Name
one billion two hundred eighty-nine million seven hundred twenty-two thousand nine hundred seventy-two
Scientific notation
1.289722972 × 10^9
Engineering notation
1.289722972 × 10^9
Prime Factorization
2 × 2 × 157 × 2053699
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
644861486 Product of the distinct prime numbers
The prime factorization of 1289722972 is 2 × 2 × 157 × 2053699.
Since it has a total of 4 prime factors.
7 , 7 , 98 , 51 , 718 , 591 , 2299 , 848 , 92362 , 15155 , 721817 , 909998 , 5097983 , 9127283 , 77794730 , 25103030 , 774329518 , 446204683 , 152357615 , 3601626884
n×2
2579445944
n×3
3869168916
n×4
5158891888
n×5
6448614860
n÷2
644861486
n÷3
429907657.33333
n÷3
322430743
n÷5
257944594.4
n2
1663385344504512784
n3
2.1453062900956E+27
n4
2.7668508043124E+36
n5
3.5684710424184E+45
2 √n35912.713236401
3 √n1088.5093030307
4 √n189.50649919304
5 √n66.38948306577
1 , 2 , 4 , 157 , 314 , 628 , 2053699 , 4107398 , 8214796 , 322430743 , 644861486 , 1289722972
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1289722971 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1289722972 can be divided by 12 positive divisors.
The sum of these divisors (counting 1289722972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110111111001110001011100
3
Ternary
10022212211201022111
4
Quaternary
1030313321301130
5
Quinary
10120132113342
6
Senary
331551123404
8
Octal
11467716134
10
Decimal
1289722972
12
Duodecimal
2bbb13564
16
Hexadecimal
4cdf9c5c
20
Vigesimal
1030f78c
36
Base36
lbv8m4
md5
0af60e6019fb8ea2922119c161656f49
sha1
45399aef808734712f6df48f1eaa3b47e74b27bb
sha256
cadfb61d9199ed16dbed16bb5d8a2fd9bbe790d8e613c31ffaf3d4ef186797b0
sha512
7a8d214ad716f04b204b97c8c69d92b99fc152612e4309fd96a6433972764d019f5b349b319085b57449d020c3b95914e8a3f279d0d44fd52c324b9c8d8aefd5
ripemd-160
9866ca7a9ea5f7d9193446f6b206b441318a79d8
Diameter
2579445944
Circumference
8103568428.0024
Area
5.2256791783843E+18
Volume
8.9862379742191E+27
Surface area
2.0902716713537E+19
Circumference
8103568428.0024
Perimeter
5158891888
Area
1663385344504512784
Diagonal
1823943718.7065
Surface area
9.9803120670271E+18
Volume
2.1453062900956E+27
Space diagonal
2233865715.1927
Perimeter
3869168916
Area
7.2026698231182E+17
Altitude
1116932857.5964
Surface area
7.2026698231182E+17
Volume
2.5282677090813E+26
Height
607981239.56885