129821807 is an odd 9-digits prime number following 129821806
and preceding 129821808 . In scientific notation, it is written as 1.29821807 × 10^8.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 129821806 positive integers (up to 129821807) that are relatively prime to 129821807.
129821807 has 2 divisors, whose sum is 129821808
The reverse of 129821807 is 708128921
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 eight hundred twenty-one thousand eight hundred seven
Scientific notation
1.29821807 × 10^8
Engineering notation
1.29821807 × 10^6
Prime Factorization
129821807
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
129821807 Product of the distinct prime numbers
The prime factorization of 129821807 is 129821807.
Since it has a total of 1 prime factors.
9 , 10 , 53 , 70 , 746 , 582 , 9283 , 6349 , 74721 , 83043 , 976679 , 976840 , 4531733 , 3735479 , 88109426 , 82081188 , 260158358 , 737494190 , 3269682067 , 8658377916
n×2
259643614
n×3
389465421
n×4
519287228
n×5
649109035
n÷2
64910903.5
n÷3
43273935.666667
n÷3
32455451.75
n÷5
25964361.4
n2
16853701572745249
n3
2.1879779928125E+24
n4
2.8404725670316E+32
n5
3.6875528138597E+40
2 √n11393.937291384
3 √n506.34813721109
4 √n106.74238751023
5 √n41.943969602308
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
129821808 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
64910904 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11393.937335267 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999845943 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129821807 can be divided by 2 positive divisors.
The sum of these divisors (counting 129821807) is 129821808, the average is 64910904.
Base
System
Value
2
Binary
111101111001110110001101111
3
Ternary
100001021122001002
4
Quaternary
13233032301233
5
Quinary
231213244212
6
Senary
20514310515
8
Octal
757166157
10
Decimal
129821807
12
Duodecimal
3758843b
16
Hexadecimal
7bcec6f
20
Vigesimal
20b7ea7
36
Base36
25aj5b
md5
d7e32b887e344f16bfba82a904058be5
sha1
2ed56f259c0f2319f060a10db9c7450778a8aa16
sha256
24b2ee7bd34c0048bf468df878043fe77250f6f5c709f7a1d95fe70c5ed950e4
sha512
390a47fcc86bb690200738e08631065db8d9a6b9c07a91a375d16fc778f46172f228daee6e97087ae8f395bf87d6b23a3f4b5c2ad3338d74efb4a04f6969e5c4
ripemd-160
0006ec2e0d4feba6b72f83af2828f5b14e423f29
Diameter
259643614
Circumference
815694470.2939
Area
5.2947465046731E+16
Volume
9.1649807845813E+24
Surface area
2.1178986018692E+17
Circumference
815694470.2939
Perimeter
519287228
Area
16853701572745249
Diagonal
183595760.15118
Surface area
101122209436471494
Volume
2.1879779928125E+24
Space diagonal
224857965.6544
Perimeter
389465421
Area
7.2978668548996E+15
Altitude
112428982.8272
Surface area
7.2978668548996E+15
Volume
2.5785567930078E+23
Height
61198586.717061