129440919 is an odd 9-digits composite number following 129440918
and preceding 129440920 . In scientific notation, it is written as 1.29440919 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 85714496 positive integers (up to 129440919) that are relatively prime to 129440919.
129440919 has 8 divisors, whose sum is 173746800
The reverse of 129440919 is 919044921
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-nine million four hundred forty thousand nine hundred nineteen
Scientific notation
1.29440919 × 10^8
Engineering notation
1.29440919 × 10^6
Prime Factorization
3 × 149 × 289577
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129440919
Product of the distinct prime numbers
The prime factorization of 129440919 is 3 × 149 × 289577.
Since it has a total of 3 prime factors.
9 , 5 , 69 , 76 , 322 , 747 , 7559 , 8075 , 57773 , 38458 , 653991 , 248818 , 1098504 , 9883031 , 50768946 , 84390050 , 473121389 , 149701821 , 3511968903 , 8524294982
n×2
258881838
n×3
388322757
n×4
517763676
n×5
647204595
n÷2
64720459.5
n÷3
43146973
n÷3
32360229.75
n÷5
25888183.8
n2
16754951511564561
n3
2.1687763214574E+24
n4
2.8072840015488E+32
n5
3.6337742105447E+40
2 √n
11377.21051049
3 √n
505.85245558871
4 √n
106.66400756811
5 √n
41.919328539201
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129440918
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129440919 can be divided by 8 positive divisors.
The sum of these divisors (counting 129440919) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101110001110010010111
3
Ternary
100000120021120010
4
Quaternary
13231301302113
5
Quinary
231114102134
6
Senary
20502211303
8
Octal
755616227
10
Decimal
129440919
12
Duodecimal
37423b33
16
Hexadecimal
7b71c97
20
Vigesimal
209025j
36
Base36
252d93
md5
886261b9dea5c0b7bd750dc16e6ab5f3
sha1
d5ac7cce78232d77fa4cd95cf572e487569a41f2
sha256
46b916d82e6058323f9349479a33bf559e563b1bc19f74cce728223139b6d50b
sha512
bd5c645495f55247aec22b2740eb7b7de74ca89acf275f780a31ec83611fd65d37f457e06aed7053e29da78215123f060815dd52256d299141e113be02c75f57
ripemd-160
8ce15fdb06db3cfbdddf763e47bf63d0ef2cb718
Diameter
258881838
Circumference
813301280.40862
Area
5.2637232579984E+16
Volume
9.0845490116932E+24
Surface area
2.1054893031994E+17
Circumference
813301280.40862
Perimeter
517763676
Area
16754951511564561
Diagonal
183057103.17584
Surface area
100529709069387366
Volume
2.1687763214574E+24
Space diagonal
224198248.28641
Perimeter
388322757
Area
7.2551068240957E+15
Altitude
112099124.1432
Surface area
7.2551068240957E+15
Volume
2.5559274062989E+23
Height
61019034.391946