129971208 is an even 9-digits composite number following 129971207
and preceding 129971209 . In scientific notation, it is written as 1.29971208 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 16 positive divisors.
There are 43323728 positive integers (up to 129971208) that are relatively prime to 129971208.
129971208 has 16 divisors, whose sum is 324928080
The reverse of 129971208 is 802179921
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-nine million nine hundred seventy-one thousand two hundred eight
Scientific notation
1.29971208 × 10^8
Engineering notation
1.29971208 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 5415467
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32492802
Product of the distinct prime numbers
The prime factorization of 129971208 is 2 × 2 × 2 × 3 × 5415467.
Since it has a total of 5 prime factors.
6 , 1 , 64 , 98 , 675 , 902 , 2035 , 8825 , 57398 , 30361 , 565685 , 728466 , 4038192 , 1954939 , 96788894 , 8702429 , 287783940 , 58536353 , 292056188 , 6416400928
n×2
259942416
n×3
389913624
n×4
519884832
n×5
649856040
n÷2
64985604
n÷3
43323736
n÷3
32492802
n÷5
25994241.6
n2
16892514908979264
n3
2.195540568878E+24
n4
2.8535705995009E+32
n5
3.7088201793041E+40
2 √n
11400.491568349
3 √n
506.54230057755
4 √n
106.7730844752
5 √n
41.953619118851
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 5415467 , 10830934 , 16246401 , 21661868 , 32492802 , 43323736 , 64985604 , 129971208
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129971207
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129971208 can be divided by 16 positive divisors.
The sum of these divisors (counting 129971208) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101111110011010000001000
3
Ternary
100001120012222110
4
Quaternary
13233303100020
5
Quinary
231233034313
6
Senary
20521422320
8
Octal
757632010
10
Decimal
129971208
12
Duodecimal
3763a9a0
16
Hexadecimal
7bf3408
20
Vigesimal
20c6808
36
Base36
25dqfc
md5
19a77f2fda25fd3f3aa86f02bed98135
sha1
d4a894a9ead2aeefd3187c670faaafcfb3b900ba
sha256
222e1b67d48b1be293f706f3c5805274ff3a6ac9989023d4b1420482e4ebce95
sha512
3a5e6eb432689cbfb6bcaf3cd7816fa928d3f15de2a7490a777b58f5463f280f19390dc2b45397469132a314a7eed1663699220e74eddfdf7bd1e0927e3aa1a7
ripemd-160
524ea3841c76b973b69399ab8fd938e0088605a9
Diameter
259942416
Circumference
816633184.46198
Area
5.3069400738705E+16
Volume
9.1966588291275E+24
Surface area
2.1227760295482E+17
Circumference
816633184.46198
Perimeter
519884832
Area
16892514908979264
Diagonal
183807045.07161
Surface area
101355089453875584
Volume
2.195540568878E+24
Space diagonal
225116735.7771
Perimeter
389913624
Area
7.3146735224917E+15
Altitude
112558367.88855
Surface area
7.3146735224917E+15
Volume
2.5874693743731E+23
Height
61269015.023872