129492028 is an even 9-digits composite number following 129492027
and preceding 129492029 . In scientific notation, it is written as 1.29492028 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 64717520 positive integers (up to 129492028) that are relatively prime to 129492028.
129492028 has 12 divisors, whose sum is 226710792
The reverse of 129492028 is 820294921
Previous prime number is 2837
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million four hundred ninety-two thousand twenty-eight
Scientific notation
1.29492028 × 10^8
Engineering notation
1.29492028 × 10^6
Prime Factorization
2 × 2 × 2837 × 11411
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64746014
Product of the distinct prime numbers
The prime factorization of 129492028 is 2 × 2 × 2837 × 11411.
Since it has a total of 4 prime factors.
9 , 3 , 4 , 80 , 123 , 880 , 3616 , 6709 , 17526 , 65931 , 843814 , 414576 , 5730865 , 7168786 , 46091202 , 4989301 , 82165579 , 847194750 , 3242666570 , 9117254155
n×2
258984056
n×3
388476084
n×4
517968112
n×5
647460140
n÷2
64746014
n÷3
43164009.333333
n÷3
32373007
n÷5
25898405.6
n2
16768185315552784
n3
2.1713463223907E+24
n4
2.8117203877672E+32
n5
3.6409537518092E+40
2 √n
11379.456401779
3 √n
505.91902446915
4 √n
106.67453492647
5 √n
41.922638337501
1 , 2 , 4 , 2837 , 5674 , 11348 , 11411 , 22822 , 45644 , 32373007 , 64746014 , 129492028
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129492027
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129492028 can be divided by 12 positive divisors.
The sum of these divisors (counting 129492028) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101101111110010000111100
3
Ternary
100000122212200001
4
Quaternary
13231332100330
5
Quinary
231122221103
6
Senary
20503244044
8
Octal
755762074
10
Decimal
129492028
12
Duodecimal
37449624
16
Hexadecimal
7b7e43c
20
Vigesimal
2096a18
36
Base36
253gos
md5
4719c47e9efb9a49e4ce98f4ebc56ed7
sha1
15175041b6842181524a9e675eabd5ee9aeb4300
sha256
e451877d613ec8e3dad068d11fbd911992413c182df6ead1139a613c16cef64d
sha512
5a4a690f9d145aeb73e38d912c9253549de2251c2ccaae8b7df4dc914e5ebeac8c301878805814e387e2b1ab46dd743a9acb842afffbfda876e96239dccf9a04
ripemd-160
d716213b4b89bd0e157d7cf9786daddd03aa2873
Diameter
258984056
Circumference
813622407.72649
Area
5.2678807801373E+16
Volume
9.0953142064293E+24
Surface area
2.1071523120549E+17
Circumference
813622407.72649
Perimeter
517968112
Area
16768185315552784
Diagonal
183129382.2168
Surface area
100609111893316704
Volume
2.1713463223907E+24
Space diagonal
224286771.67113
Perimeter
388476084
Area
7.2608372293169E+15
Altitude
112143385.83557
Surface area
7.2608372293169E+15
Volume
2.558956181445E+23
Height
61043127.405599