1293398721 is an odd 10-digits composite number following 1293398720
and preceding 1293398722 . In scientific notation, it is written as 1.293398721 × 10^9.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 824775864 positive integers (up to 1293398721) that are relatively prime to 1293398721.
1293398721 has 12 divisors, whose sum is 1949470848
The reverse of 1293398721 is 1278933921
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion two hundred ninety-three million three hundred ninety-eight thousand seven hundred twenty-one
Scientific notation
1.293398721 × 10^9
Engineering notation
1.293398721 × 10^9
Prime Factorization
3 × 3 × 23 × 6248303
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
431132907
Product of the distinct prime numbers
The prime factorization of 1293398721 is 3 × 3 × 23 × 6248303.
Since it has a total of 4 prime factors.
8 , 8 , 71 , 33 , 665 , 946 , 9422 , 4336 , 27070 , 12370 , 134668 , 217702 , 2735373 , 6116888 , 43217950 , 83888213 , 753310867 , 722135666 , 8682236118 , 1934827747
n×2
2586797442
n×3
3880196163
n×4
5173594884
n×5
6466993605
n÷2
646699360.5
n÷3
431132907
n÷3
323349680.25
n÷5
258679744.2
n2
1672880251484435841
n3
2.1637011776561E+27
n4
2.7985283358066E+36
n5
3.6196129702146E+45
2 √n
35963.852977677
3 √n
1089.5424168604
4 √n
189.64137991925
5 √n
66.427282400622
1 , 3 , 9 , 23 , 69 , 207 , 6248303 , 18744909 , 56234727 , 143710969 , 431132907 , 1293398721
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
-1293398720
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 1293398721 can be divided by 12 positive divisors.
The sum of these divisors (counting 1293398721) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000101111011001011000001
3
Ternary
10100010202110111100
4
Quaternary
1031011323023001
5
Quinary
10122102224341
6
Senary
332202005013
8
Octal
11505731301
10
Decimal
1293398721
12
Duodecimal
3011a6769
16
Hexadecimal
4d17b2c1
20
Vigesimal
1043egg1
36
Base36
le20u9
md5
d42bb82fe282f0caf0220beee0f9346f
sha1
d462be48cd6ab613c40d31c9968c37f7fc3b2cb3
sha256
d9a4332591abf3e76dbc1e9ba30c777384e16c0cac3f5d0d5bd06c387386cd8a
sha512
ef1c0f8ce8a816e29483af65a37da9327f8262375379f4a209967de348b772213046e33efd4b1cb0c13c932f58719358f50c32fbbdd194d00c65284f7c8c1064
ripemd-160
364ff795462f5023fb29f70a716ca5c46a673dfc
Diameter
2586797442
Circumference
8126663840.1121
Area
5.2555083083989E+18
Volume
9.0632902990508E+27
Surface area
2.1022033233596E+19
Circumference
8126663840.1121
Perimeter
5173594884
Area
1672880251484435841
Diagonal
1829142012.7942
Surface area
1.0037281508907E+19
Volume
2.1637011776561E+27
Space diagonal
2240232299.2166
Perimeter
3880196163
Area
7.2437839763741E+17
Altitude
1120116149.6083
Surface area
7.2437839763741E+17
Volume
2.5499462919699E+26
Height
609714004.26474