129123749 is an odd 9-digits prime number following 129123748
and preceding 129123750 . In scientific notation, it is written as 1.29123749 × 10^8.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 129123748 positive integers (up to 129123749) that are relatively prime to 129123749.
129123749 has 2 divisors, whose sum is 129123750
The reverse of 129123749 is 947321921
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million one hundred twenty-three thousand seven hundred forty-nine
Scientific notation
1.29123749 × 10^8
Engineering notation
1.29123749 × 10^6
Prime Factorization
129123749
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
129123749
Product of the distinct prime numbers
The prime factorization of 129123749 is 129123749.
Since it has a total of 1 prime factors.
9 , 2 , 35 , 13 , 444 , 952 , 5917 , 2470 , 47427 , 22152 , 631701 , 937281 , 9315405 , 5359087 , 15671049 , 25867367 , 778051958 , 195369183 , 6942979142 , 3525305637
n×2
258247498
n×3
387371247
n×4
516494996
n×5
645618745
n÷2
64561874.5
n÷3
43041249.666667
n÷3
32280937.25
n÷5
25824749.8
n2
16672942555815001
n3
2.1528728496685E+24
n4
2.7798701346951E+32
n5
3.5894725352496E+40
2 √n
11363.263131689
3 √n
505.43895305108
4 √n
106.59860755042
5 √n
41.898765329356
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
129123750
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64561875
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11363.26317569
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999984511
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129123749 can be divided by 2 positive divisors.
The sum of these divisors (counting 129123749) is 129123750, the average is 64561875.
Base
System
Value
2
Binary
111101100100100010110100101
3
Ternary
22222222011111002
4
Quaternary
13230210112211
5
Quinary
231023424444
6
Senary
20451323045
8
Octal
754442645
10
Decimal
129123749
12
Duodecimal
372b0485
16
Hexadecimal
7b245a5
20
Vigesimal
2070979
36
Base36
24vkit
md5
24b1add54d3cd641ee7dd5250d05cf0d
sha1
dc66786c140a9b737c02ad67a06e82e35acfb7d7
sha256
986a7c743571f0a8268b61a4a0cbecd8815f5b251d5c0e6eac02886a9bb3b955
sha512
8d671f36396539447b0eb31e05c1a9e0736b63560174c872bf4e7c0f7734211c50dc450937807bbd96639696a1884560121ed46e1f8f0e0c93fde468ca57db73
ripemd-160
db14a815f3b78b1f0580b87cc00e4392fb2d4ae1
Diameter
258247498
Circumference
811308442.52474
Area
5.2379593847073E+16
Volume
9.0179327048419E+24
Surface area
2.0951837538829E+17
Circumference
811308442.52474
Perimeter
516494996
Area
16672942555815001
Diagonal
182608557.06026
Surface area
100037655334890006
Volume
2.1528728496685E+24
Space diagonal
223648893.73177
Perimeter
387371247
Area
7.2195959045872E+15
Altitude
111824446.86589
Surface area
7.2195959045872E+15
Volume
2.537184985055E+23
Height
60869519.020086