129806948 is an even 9-digits composite number following 129806947
and preceding 129806949 . In scientific notation, it is written as 1.29806948 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 64869120 positive integers (up to 129806948) that are relatively prime to 129806948.
129806948 has 12 divisors, whose sum is 227282412
The reverse of 129806948 is 849608921
Previous prime number is 2161
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-nine million eight hundred six thousand nine hundred forty-eight
Scientific notation
1.29806948 × 10^8
Engineering notation
1.29806948 × 10^6
Prime Factorization
2 × 2 × 2161 × 15017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64903474
Product of the distinct prime numbers
The prime factorization of 129806948 is 2 × 2 × 2161 × 15017.
Since it has a total of 4 prime factors.
3 , 7 , 57 , 13 , 152 , 249 , 4602 , 4458 , 87263 , 25702 , 560199 , 537839 , 2412126 , 845705 , 45719410 , 17055275 , 766978743 , 12647586 , 8906277322 , 5847315938
n×2
259613896
n×3
389420844
n×4
519227792
n×5
649034740
n÷2
64903474
n÷3
43268982.666667
n÷3
32451737
n÷5
25961389.6
n2
16849843749074704
n3
2.1872267913443E+24
n4
2.8391723436823E+32
n5
3.6854429677941E+40
2 √n
11393.285215424
3 √n
506.32881813003
4 √n
106.73933302876
5 √n
41.943009403102
1 , 2 , 4 , 2161 , 4322 , 8644 , 15017 , 30034 , 60068 , 32451737 , 64903474 , 129806948
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
-129806947
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 129806948 can be divided by 12 positive divisors.
The sum of these divisors (counting 129806948) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101111001011001001100100
3
Ternary
100001020212122202
4
Quaternary
13233023021210
5
Quinary
231212310243
6
Senary
20514114032
8
Octal
757131144
10
Decimal
129806948
12
Duodecimal
3757b918
16
Hexadecimal
7bcb264
20
Vigesimal
20b5h78
36
Base36
25a7ok
md5
190c7472baf6e08b8b0a08a8704c9293
sha1
b00611f25a7f255fa1ddcb090508b8eb0edd2c5b
sha256
512586ded34ad646b6c108afe170a89ef22e5047a392908850469850181a9ce0
sha512
25a5a93eff268077980a72da533ebbd57ffd992705a1c8498cc771cfed2ece96a74e9010677268c483cc8fffbd8097786e6d2f6ab100e25cc1e33572673b5235
ripemd-160
74769967bf015a276008d479afc470f12b75b86a
Diameter
259613896
Circumference
815601108.44342
Area
5.2935345336229E+16
Volume
9.1618341592292E+24
Surface area
2.1174138134492E+17
Circumference
815601108.44342
Perimeter
519227792
Area
16849843749074704
Diagonal
183574746.35186
Surface area
101099062494448224
Volume
2.1872267913443E+24
Space diagonal
224832229.11145
Perimeter
389420844
Area
7.2961963682486E+15
Altitude
112416114.55573
Surface area
7.2961963682486E+15
Volume
2.5776714935874E+23
Height
61191582.117286