129732871 is an odd 9-digits prime number following 129732870
and preceding 129732872 . In scientific notation, it is written as 1.29732871 × 10^8.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 129732870 positive integers (up to 129732871) that are relatively prime to 129732871.
129732871 has 2 divisors, whose sum is 129732872
The reverse of 129732871 is 178237921
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 40 Digital Root 4
Name
one hundred twenty-nine million seven hundred thirty-two thousand eight hundred seventy-one
Scientific notation
1.29732871 × 10^8
Engineering notation
1.29732871 × 10^6
Prime Factorization
129732871
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
129732871 Product of the distinct prime numbers
The prime factorization of 129732871 is 129732871.
Since it has a total of 1 prime factors.
8 , 7 , 27 , 75 , 430 , 403 , 5340 , 5932 , 4209 , 76755 , 488845 , 883588 , 9610914 , 604277 , 46165380 , 49818557 , 862364429 , 769230309 , 377585569 , 6623667492
n×2
259465742
n×3
389198613
n×4
518931484
n×5
648664355
n÷2
64866435.5
n÷3
43244290.333333
n÷3
32433217.75
n÷5
25946574.2
n2
16830617817902641
n3
2.1834843702203E+24
n4
2.832696961323E+32
n5
3.6749390946541E+40
2 √n11390.033845428
3 √n506.23248415747
4 √n106.72410152083
5 √n41.938221182085
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
129732872 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
64866436 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11390.033889326 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999845837 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129732871 can be divided by 2 positive divisors.
The sum of these divisors (counting 129732871) is 129732872, the average is 64866436.
Base
System
Value
2
Binary
111101110111001000100000111
3
Ternary
100001010010001011
4
Quaternary
13232321010013
5
Quinary
231202422441
6
Senary
20512343051
8
Octal
756710407
10
Decimal
129732871
12
Duodecimal
37544a87
16
Hexadecimal
7bb9107
20
Vigesimal
20agc3b
36
Base36
258miv
md5
12efb0c170aa93ac026fc8466fb2b592
sha1
cfec40c91be36a70eb78c9ebba800af960dca319
sha256
637f7d7452ccc17d515871f00a494db67e2b5d45f9957879c5d6f7266fc0bad8
sha512
fbd7b4ed4a4e34fcb9ee45c4694470e771c8dee00a451d4ef243f94f7c8e94443b480277d6354622e8d46ab2e337f7dc90e43abf1f12a136a0e653c15ac3af58
ripemd-160
ad0df7acbcc169410dd871383f0d2c5f9bc4d79a
Diameter
259465742
Circumference
815135668.92542
Area
5.28749452921E+16
Volume
9.1461579422828E+24
Surface area
2.114997811684E+17
Circumference
815135668.92542
Perimeter
518931484
Area
16830617817902641
Diagonal
183469985.6538
Surface area
100983706907415846
Volume
2.1834843702203E+24
Space diagonal
224703923.98378
Perimeter
389198613
Area
7.2878712958454E+15
Altitude
112351961.99189
Surface area
7.2878712958454E+15
Volume
2.573261007996E+23
Height
61156661.8846