129628449 is an odd 9-digits composite number following 129628448
and preceding 129628450 . In scientific notation, it is written as 1.29628449 × 10^8.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 86418960 positive integers (up to 129628449) that are relatively prime to 129628449.
129628449 has 4 divisors, whose sum is 144031620
The reverse of 129628449 is 944826921
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-nine million six hundred twenty-eight thousand four hundred forty-nine
Scientific notation
1.29628449 × 10^8
Engineering notation
1.29628449 × 10^6
Prime Factorization
9 × 14403161
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129628449
Product of the distinct prime numbers
The prime factorization of 129628449 is 9 × 14403161.
Since it has a total of 2 prime factors.
10 , 1 , 91 , 45 , 384 , 308 , 3805 , 2719 , 91778 , 49802 , 155344 , 14664 , 1617825 , 5309787 , 34702232 , 86434027 , 350478756 , 307975702 , 4282186682 , 6557307218
n×2
259256898
n×3
388885347
n×4
518513796
n×5
648142245
n÷2
64814224.5
n÷3
43209483
n÷3
32407112.25
n÷5
25925689.8
n2
16803534790145601
n3
2.1782161525641E+24
n4
2.8235878144363E+32
n5
3.6601730900068E+40
2 √n
11385.449003004
3 √n
506.09662550879
4 √n
106.70261947583
5 √n
41.931467791783
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129628448
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129628449 can be divided by 4 positive divisors.
The sum of these divisors (counting 129628449) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110011111100100100001
3
Ternary
100000220210210200
4
Quaternary
13232133210201
5
Quinary
231141102244
6
Senary
20510215413
8
Octal
756374441
10
Decimal
129628449
12
Duodecimal
374b4569
16
Hexadecimal
7b9f921
20
Vigesimal
20a3b29
36
Base36
256dy9
md5
dcde0c414c56041c6a23713e517244dc
sha1
8bc2865fb3e3cd1817e18dc277a19a69c522d502
sha256
8fc0fec871f6df4454d8bdc0fc5878eec41e686550f947ea0205e42c9b1c7d0d
sha512
ca81708046d9477f50b81e2b6bd3437eb1cb72fcf260782b49c62c4b22771ae7283b85196544d20a27dd56ffedba500d9251253d6ec2840f8d1f6b14c2f8fce7
ripemd-160
59b709a5a19121389a6230a545267274dce5af6e
Diameter
259256898
Circumference
814479566.14928
Area
5.2789861451062E+16
Volume
9.1240904837681E+24
Surface area
2.1115944580425E+17
Circumference
814479566.14928
Perimeter
518513796
Area
16803534790145601
Diagonal
183322310.64519
Surface area
100821208740873606
Volume
2.1782161525641E+24
Space diagonal
224523059.77435
Perimeter
388885347
Area
7.2761440008209E+15
Altitude
112261529.88718
Surface area
7.2761440008209E+15
Volume
2.5670523539469E+23
Height
61107436.88173