129898990 is an even 9-digits composite number following 129898989
and preceding 129898991 . In scientific notation, it is written as 1.29898990 × 10^8.
The sum of its digits is 55. It has a total of 5 prime factors and 32 positive divisors.
There are 46414080 positive integers (up to 129898990) that are relatively prime to 129898990.
129898990 has 32 divisors, whose sum is 259934976
The reverse of 129898990 is 099898921
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred twenty-nine million eight hundred ninety-eight thousand nine hundred ninety
Scientific notation
1.29898990 × 10^8
Engineering notation
1.29898990 × 10^6
Prime Factorization
2 × 5 × 31 × 13 × 32233
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
129898990
Product of the distinct prime numbers
The prime factorization of 129898990 is 2 × 5 × 31 × 13 × 32233.
Since it has a total of 5 prime factors.
4 , 4 , 99 , 48 , 998 , 344 , 2719 , 7284 , 74655 , 88259 , 285241 , 252660 , 2052837 , 1233385 , 40184584 , 16452436 , 531748403 , 321878438 , 9260278932 , 9464039225
n×2
259797980
n×3
389696970
n×4
519595960
n×5
649494950
n÷2
64949495
n÷3
43299663.333333
n÷3
32474747.5
n÷5
25979798
n2
16873747603020100
n3
2.1918827711472E+24
n4
2.8472335817043E+32
n5
3.6985276655747E+40
2 √n
11397.323808684
3 √n
506.44846377074
4 √n
106.75824937064
5 √n
41.948955808973
1 , 2 , 5 , 10 , 13 , 26 , 31 , 62 , 65 , 130 , 155 , 310 , 403 , 806 , 2015 , 4030 , 32233 , 64466 , 161165 , 322330 , 419029 , 838058 , 999223 , 1998446 , 2095145 , 4190290 , 4996115 , 9992230 , 12989899 , 25979798 , 64949495 , 129898990
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
-129898989
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 129898990 can be divided by 32 positive divisors.
The sum of these divisors (counting 129898990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101111100001100111101110
3
Ternary
100001102112220201
4
Quaternary
13233201213232
5
Quinary
231223231430
6
Senary
20520104114
8
Octal
757414756
10
Decimal
129898990
12
Duodecimal
3760503a
16
Hexadecimal
7be19ee
20
Vigesimal
20bh79a
36
Base36
25c6pa
md5
ec499d1f902d34fe91648b9032aa5b61
sha1
86e56c4fbc6ad5b4489abf9a66f374cf09a8741b
sha256
455492ecab24a8ed74943540fa3020d0ac7c1dfacdf5bfdb3af7f57698b8349f
sha512
af503b0311c00d0d2ff53e0b7daf485df0aee50c9b7485a9cfbdb0ce6838e5fcf3ead2be13065861efad8258cd59a8c9bb0849e871aace70164acce768c08ee2
ripemd-160
1430ee01931ebdde1a5e553ed1360cd011841e72
Diameter
259797980
Circumference
816179425.38547
Area
5.3010441508176E+16
Volume
9.1813370818216E+24
Surface area
2.1204176603271E+17
Circumference
816179425.38547
Perimeter
519595960
Area
16873747603020100
Diagonal
183704913.39657
Surface area
101242485618120600
Volume
2.1918827711472E+24
Space diagonal
224991650.53188
Perimeter
389696970
Area
7.3065470406311E+15
Altitude
112495825.26594
Surface area
7.3065470406311E+15
Volume
2.5831586184069E+23
Height
61234971.132189