129969128 is an even 9-digits composite number following 129969127
and preceding 129969129 . In scientific notation, it is written as 1.29969128 × 10^8.
The sum of its digits is 47. It has a total of 5 prime factors and 16 positive divisors.
There are 64897408 positive integers (up to 129969128) that are relatively prime to 129969128.
129969128 has 16 divisors, whose sum is 244018980
The reverse of 129969128 is 821969921
Previous prime number is 773
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-nine million nine hundred sixty-nine thousand one hundred twenty-eight
Scientific notation
1.29969128 × 10^8
Engineering notation
1.29969128 × 10^6
Prime Factorization
2 × 2 × 2 × 773 × 21017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32492282
Product of the distinct prime numbers
The prime factorization of 129969128 is 2 × 2 × 2 × 773 × 21017.
Since it has a total of 5 prime factors.
8 , 3 , 45 , 78 , 379 , 985 , 2605 , 1377 , 13647 , 47290 , 250091 , 642113 , 3993360 , 1964045 , 91331485 , 22258296 , 227157089 , 92245838 , 5018304493 , 2112750359
n×2
259938256
n×3
389907384
n×4
519876512
n×5
649845640
n÷2
64984564
n÷3
43323042.666667
n÷3
32492282
n÷5
25993825.6
n2
16891974233080384
n3
2.1954351612719E+24
n4
2.8533879349105E+32
n5
3.7085234174604E+40
2 √n
11400.400343848
3 √n
506.53959840573
4 √n
106.77265728569
5 √n
41.95348483667
1 , 2 , 4 , 8 , 773 , 1546 , 3092 , 6184 , 21017 , 42034 , 84068 , 168136 , 16246141 , 32492282 , 64984564 , 129969128
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
-129969127
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 129969128 can be divided by 16 positive divisors.
The sum of these divisors (counting 129969128) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101111110010101111101000
3
Ternary
100001120010010102
4
Quaternary
13233302233220
5
Quinary
231233003003
6
Senary
20521404532
8
Octal
757625750
10
Decimal
129969128
12
Duodecimal
37639748
16
Hexadecimal
7bf2be8
20
Vigesimal
20c62g8
36
Base36
25dotk
md5
8f379bd3b004a05e59082a911da89a7f
sha1
0a323f93e41bbe0cf80f0812b44875bc2fd2b3df
sha256
d1467a8e2df28a47d33cae0a3865d0d3145a48cfd0ab27e4cdb7ab2622391b7b
sha512
e4da0f03515698bee4b24bac956473e1c3192ebf7eb5b7958034111d89ac163364ccf8b26516357cc4e4043593c2643c63ef399e59cd9c13ec3920f37f80602f
ripemd-160
c946a1e0d5ec3634d9cd69678e365afcacd14e85
Diameter
259938256
Circumference
816620115.43654
Area
5.3067702155273E+16
Volume
9.1962172987795E+24
Surface area
2.1227080862109E+17
Circumference
816620115.43654
Perimeter
519876512
Area
16891974233080384
Diagonal
183804103.5074
Surface area
101351845398482304
Volume
2.1954351612719E+24
Space diagonal
225113133.11142
Perimeter
389907384
Area
7.3144394029599E+15
Altitude
112556566.55571
Surface area
7.3144394029599E+15
Volume
2.5873451503179E+23
Height
61268034.502468