129771890 is an even 9-digits composite number following 129771889
and preceding 129771891 . In scientific notation, it is written as 1.29771890 × 10^8.
The sum of its digits is 44. It has a total of 5 prime factors and 32 positive divisors.
There are 50057280 positive integers (up to 129771890) that are relatively prime to 129771890.
129771890 has 32 divisors, whose sum is 241975296
The reverse of 129771890 is 098177921
Previous prime number is 383
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-nine million seven hundred seventy-one thousand eight hundred ninety
Scientific notation
1.29771890 × 10^8
Engineering notation
1.29771890 × 10^6
Prime Factorization
2 × 5 × 31 × 383 × 1093
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
129771890
Product of the distinct prime numbers
The prime factorization of 129771890 is 2 × 5 × 31 × 383 × 1093.
Since it has a total of 5 prime factors.
5 , 10 , 34 , 96 , 420 , 444 , 1096 , 2081 , 9735 , 13405 , 285323 , 538006 , 9920957 , 2567107 , 78949675 , 71900492 , 864814301 , 857982930 , 2558376062 , 2490275900
n×2
259543780
n×3
389315670
n×4
519087560
n×5
648859450
n÷2
64885945
n÷3
43257296.666667
n÷3
32442972.5
n÷5
25954378
n2
16840743434172100
n3
2.1854551044576E+24
n4
2.8361063941561E+32
n5
3.6804688701072E+40
2 √n
11391.746573726
3 √n
506.28323126877
4 √n
106.73212531251
5 √n
41.940743581549
1 , 2 , 5 , 10 , 31 , 62 , 155 , 310 , 383 , 766 , 1093 , 1915 , 2186 , 3830 , 5465 , 10930 , 11873 , 23746 , 33883 , 59365 , 67766 , 118730 , 169415 , 338830 , 418619 , 837238 , 2093095 , 4186190 , 12977189 , 25954378 , 64885945 , 129771890
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129771889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129771890 can be divided by 32 positive divisors.
The sum of these divisors (counting 129771890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101111000010100101110010
3
Ternary
100001012002120022
4
Quaternary
13233002211302
5
Quinary
231210200030
6
Senary
20513243442
8
Octal
757024562
10
Decimal
129771890
12
Duodecimal
37563582
16
Hexadecimal
7bc2972
20
Vigesimal
20b19ea
36
Base36
259gmq
md5
044d4ec6264d96e7cd3841ffc16c024f
sha1
872d5892d16a4236fc941f3032806b3fe937db53
sha256
21239ecb1a3418e516911fdf360eda0fbb5444887f0f09a957d4c96446e97b52
sha512
dd1b3ad609eebc02de8e802ffca2b0c8301aa7b7b8536e52ad781b9a35bc2a04f71a4593d86b006d19bcb571416a32363c8913495ac5142a47174772fcf4a76b
ripemd-160
0126d7938c221ed04df34f2f0f2360b3649eddfa
Diameter
259543780
Circumference
815380832.53293
Area
5.2906755853786E+16
Volume
9.1544129345524E+24
Surface area
2.1162702341514E+17
Circumference
815380832.53293
Perimeter
519087560
Area
16840743434172100
Diagonal
183525166.85279
Surface area
101044460605032600
Volume
2.1854551044576E+24
Space diagonal
224771506.87424
Perimeter
389315670
Area
7.2922558163045E+15
Altitude
112385753.43712
Surface area
7.2922558163045E+15
Volume
2.5755835405679E+23
Height
61175055.617596