129421623 is an odd 9-digits composite number following 129421622
and preceding 129421624 . In scientific notation, it is written as 1.29421623 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 86176568 positive integers (up to 129421623) that are relatively prime to 129421623.
129421623 has 8 divisors, whose sum is 172771200
The reverse of 129421623 is 326124921
Previous prime number is 839
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-nine million four hundred twenty-one thousand six hundred twenty-three
Scientific notation
1.29421623 × 10^8
Engineering notation
1.29421623 × 10^6
Prime Factorization
3 × 839 × 51419
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129421623
Product of the distinct prime numbers
The prime factorization of 129421623 is 3 × 839 × 51419.
Since it has a total of 3 prime factors.
10 , 6 , 58 , 93 , 657 , 595 , 2605 , 5716 , 13908 , 44177 , 510467 , 900487 , 3851057 , 6622981 , 33297658 , 71236374 , 723499327 , 562689731 , 920434647 , 7483449396
n×2
258843246
n×3
388264869
n×4
517686492
n×5
647108115
n÷2
64710811.5
n÷3
43140541
n÷3
32355405.75
n÷5
25884324.6
n2
16749956499954129
n3
2.1678065554035E+24
n4
2.8056104275036E+32
n5
3.6310665503323E+40
2 √n
11376.362467854
3 √n
505.82731821555
4 √n
106.66003219507
5 √n
41.918078666122
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
-129421622
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 129421623 can be divided by 8 positive divisors.
The sum of these divisors (counting 129421623) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101101101000100110111
3
Ternary
100000112022002110
4
Quaternary
13231231010313
5
Quinary
231112442443
6
Senary
20501542103
8
Octal
755550467
10
Decimal
129421623
12
Duodecimal
37414933
16
Hexadecimal
7b6d137
20
Vigesimal
208he13
36
Base36
251yd3
md5
df559d7ef2881b957767ba855ae34bfc
sha1
138c7237a7c249f153dbccbdc24355876c4d956c
sha256
614e5fa72722b66e5480109b68a021ac8947d786982b527535e352832ecf189c
sha512
fe3736edea543e2a631ea88422e5d4c1f6942a2c2b931a259478278cb62772d66c185d05f2c418cc51c912e3580f6ff2ed23789094d29c112e43e331dc160f9d
ripemd-160
bbb6f1d084bc10fdebdc22ab0bb525b8f3812a74
Diameter
258843246
Circumference
813180040.06494
Area
5.2621540288204E+16
Volume
9.0804868651457E+24
Surface area
2.1048616115282E+17
Circumference
813180040.06494
Perimeter
517686492
Area
16749956499954129
Diagonal
183029814.51094
Surface area
100499738999724774
Volume
2.1678065554035E+24
Space diagonal
224164826.63402
Perimeter
388264869
Area
7.2529439206223E+15
Altitude
112082413.31701
Surface area
7.2529439206223E+15
Volume
2.5547845260441E+23
Height
61009938.170313