129642790 is an even 9-digits composite number following 129642789
and preceding 129642791 . In scientific notation, it is written as 1.29642790 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 51731680 positive integers (up to 129642790) that are relatively prime to 129642790.
129642790 has 16 divisors, whose sum is 233921520
The reverse of 129642790 is 097246921
Previous prime number is 419
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million six hundred forty-two thousand seven hundred ninety
Scientific notation
1.29642790 × 10^8
Engineering notation
1.29642790 × 10^6
Prime Factorization
2 × 5 × 419 × 30941
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129642790
Product of the distinct prime numbers
The prime factorization of 129642790 is 2 × 5 × 419 × 30941.
Since it has a total of 4 prime factors.
10 , 5 , 7 , 4 , 367 , 896 , 5403 , 980 , 28484 , 83462 , 221925 , 919394 , 1236767 , 5135392 , 12976637 , 39923377 , 426604557 , 594333986 , 8631281347 , 8832464850
n×2
259285580
n×3
388928370
n×4
518571160
n×5
648213950
n÷2
64821395
n÷3
43214263.333333
n÷3
32410697.5
n÷5
25928558
n2
16807252998984100
n3
2.1789391710242E+24
n4
2.8248375337186E+32
n5
3.66219819168E+40
2 √n
11386.078780687
3 √n
506.11528824352
4 √n
106.70557052322
5 √n
41.932395539627
1 , 2 , 5 , 10 , 419 , 838 , 2095 , 4190 , 30941 , 61882 , 154705 , 309410 , 12964279 , 25928558 , 64821395 , 129642790
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
-129642789
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 129642790 can be divided by 16 positive divisors.
The sum of these divisors (counting 129642790) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110100011000100100110
3
Ternary
100000221112110211
4
Quaternary
13232203010212
5
Quinary
231142032130
6
Senary
20510410034
8
Octal
756430446
10
Decimal
129642790
12
Duodecimal
3750091a
16
Hexadecimal
7ba3126
20
Vigesimal
20a56ja
36
Base36
256p0m
md5
e797f07e691884dfd0c2031c1acd2a6b
sha1
48a62bdd4fc5769803c2a31f5b03b7f2eca6ec32
sha256
f534330948680d3f78b346207deff7ce7d6eca1acfffa5185caeae6f89ebbce4
sha512
2bbb14f32498fb31b743ebb7c76830abed4842d847afba55988cbeae6aaaa89e1a7fd9b8c1dc08d8aaac7415ff409fc13243142f5465a166365076c1f88c6c56
ripemd-160
548ce4b247d2db44103adde60b03279e3b33b3ef
Diameter
259285580
Circumference
814569673.30977
Area
5.2801542548633E+16
Volume
9.1271190564114E+24
Surface area
2.1120617019453E+17
Circumference
814569673.30977
Perimeter
518571160
Area
16807252998984100
Diagonal
183342591.88189
Surface area
100843517993904600
Volume
2.1789391710242E+24
Space diagonal
224547899.11498
Perimeter
388928370
Area
7.2777540324762E+15
Altitude
112273949.55749
Surface area
7.2777540324762E+15
Volume
2.5679044393736E+23
Height
61114197.293962