129857730 is an even 9-digits composite number following 129857729
and preceding 129857731 . In scientific notation, it is written as 1.29857730 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 32591616 positive integers (up to 129857730) that are relatively prime to 129857730.
129857730 has 32 divisors, whose sum is 329992704
The reverse of 129857730 is 037758921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million eight hundred fifty-seven thousand seven hundred thirty
Scientific notation
1.29857730 × 10^8
Engineering notation
1.29857730 × 10^6
Prime Factorization
2 × 3 × 17 × 5 × 254623
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
129857730
Product of the distinct prime numbers
The prime factorization of 129857730 is 2 × 3 × 17 × 5 × 254623.
Since it has a total of 5 prime factors.
1 , 8 , 49 , 24 , 447 , 668 , 9076 , 6390 , 32411 , 15137 , 806373 , 856231 , 9294544 , 9804280 , 9606022 , 13969550 , 576245397 , 850483805 , 9578014272 , 6410408383
n×2
259715460
n×3
389573190
n×4
519430920
n×5
649288650
n÷2
64928865
n÷3
43285910
n÷3
32464432.5
n÷5
25971546
n2
16863030040752900
n3
2.189794802014E+24
n4
2.8436178215533E+32
n5
3.6926575529446E+40
2 √n
11395.513590883
3 √n
506.39483677841
4 √n
106.74977091724
5 √n
41.946290609093
1 , 2 , 3 , 5 , 6 , 10 , 15 , 17 , 30 , 34 , 51 , 85 , 102 , 170 , 255 , 510 , 254623 , 509246 , 763869 , 1273115 , 1527738 , 2546230 , 3819345 , 4328591 , 7638690 , 8657182 , 12985773 , 21642955 , 25971546 , 43285910 , 64928865 , 129857730
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
-129857729
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 129857730 can be divided by 32 positive divisors.
The sum of these divisors (counting 129857730) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101111010111100011000010
3
Ternary
100001100110022120
4
Quaternary
13233113203002
5
Quinary
231220421410
6
Senary
20515145110
8
Octal
757274302
10
Decimal
129857730
12
Duodecimal
375a5196
16
Hexadecimal
7bd78c2
20
Vigesimal
20bc46a
36
Base36
25bav6
md5
d6eaa24a1cf81edb9333eb4ad70e38e1
sha1
660ffa9f1f6bc3340b9d25a7959ddb86e1187afb
sha256
31aaef81ba68a33187b3783faa24fc081fa1c00a008d1fd55293aeb45e4995a6
sha512
f12082c9389498875d6426b44d07c5c202f75bce8b6006aac25cf4e3c4ee003146c044c331e4294d55f1c05d02bf6a3f148f4b0d064177a4a55565f8102909fc
ripemd-160
5b45dfee8691189a238b7319e58530aac973ca89
Diameter
259715460
Circumference
815920181.15969
Area
5.2976771293293E+16
Volume
9.1725910171683E+24
Surface area
2.1190708517317E+17
Circumference
815920181.15969
Perimeter
519430920
Area
16863030040752900
Diagonal
183646562.94498
Surface area
101178180244517400
Volume
2.189794802014E+24
Space diagonal
224920186.11556
Perimeter
389573190
Area
7.3019062000361E+15
Altitude
112460093.05778
Surface area
7.3019062000361E+15
Volume
2.5806979231852E+23
Height
61215520.981661