129641805 is an odd 9-digits composite number following 129641804
and preceding 129641806 . In scientific notation, it is written as 1.29641805 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 68680800 positive integers (up to 129641805) that are relatively prime to 129641805.
129641805 has 16 divisors, whose sum is 174009600
The reverse of 129641805 is 508146921
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-nine million six hundred forty-one thousand eight hundred five
Scientific notation
1.29641805 × 10^8
Engineering notation
1.29641805 × 10^6
Prime Factorization
9 × 5 × 151 × 19079
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129641805
Product of the distinct prime numbers
The prime factorization of 129641805 is 9 × 5 × 151 × 19079.
Since it has a total of 4 prime factors.
7 , 6 , 14 , 19 , 690 , 166 , 4267 , 6639 , 99560 , 26435 , 706199 , 227232 , 1642187 , 9166445 , 7472061 , 87830687 , 839524742 , 41078710 , 4214480085 , 9076272255
n×2
259283610
n×3
388925415
n×4
518567220
n×5
648209025
n÷2
64820902.5
n÷3
43213935
n÷3
32410451.25
n÷5
25928361
n2
16806997603658025
n3
2.1788895059689E+24
n4
2.8247516844937E+32
n5
3.6620590705455E+40
2 √n
11386.035526029
3 √n
506.11400645268
4 √n
106.70536784075
5 √n
41.932331820642
1 , 5 , 9 , 45 , 151 , 755 , 1359 , 6795 , 19079 , 95395 , 171711 , 858555 , 2880929 , 14404645 , 25928361 , 129641805
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
-129641804
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 129641805 can be divided by 16 positive divisors.
The sum of these divisors (counting 129641805) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110100010110101001101
3
Ternary
100000221111010100
4
Quaternary
13232202311031
5
Quinary
231142014210
6
Senary
20510401313
8
Octal
756426515
10
Decimal
129641805
12
Duodecimal
37500239
16
Hexadecimal
7ba2d4d
20
Vigesimal
20a54a5
36
Base36
256o99
md5
471c0d12d9944dde06283bdc0e8444c1
sha1
391088c690b95487b90bf98e7f51e3fe00a58e94
sha256
b049e4d02b242e0e6c0b8a28399066bff29b20fd6451565dc0cb43fe8ac6ca60
sha512
e5a5757eeb94cc534e31db5e3f808bbb9fa1e492c3dc2eb19505dac267f1e6e7409c06e468547face71ef5c2747e609967adc00674b5130d44a9896a94f2cd99
ripemd-160
872db6387e884bc0d26527804a5b6ccb9631fb38
Diameter
259283610
Circumference
814563484.37224
Area
5.2800740200553E+16
Volume
9.1269110199144E+24
Surface area
2.1120296080221E+17
Circumference
814563484.37224
Perimeter
518567220
Area
16806997603658025
Diagonal
183341198.88153
Surface area
100841985621948150
Volume
2.1788895059689E+24
Space diagonal
224546193.04494
Perimeter
388925415
Area
7.277643443056E+15
Altitude
112273096.52247
Surface area
7.277643443056E+15
Volume
2.5678459085447E+23
Height
61113732.960509