129628621 is an odd 9-digits composite number following 129628620
and preceding 129628622 . In scientific notation, it is written as 1.29628621 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 110550528 positive integers (up to 129628621) that are relatively prime to 129628621.
129628621 has 16 divisors, whose sum is 150768000
The reverse of 129628621 is 126826921
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million six hundred twenty-eight thousand six hundred twenty-one
Scientific notation
1.29628621 × 10^8
Engineering notation
1.29628621 × 10^6
Prime Factorization
17 × 19 × 23 × 17449
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129628621
Product of the distinct prime numbers
The prime factorization of 129628621 is 17 × 19 × 23 × 17449.
Since it has a total of 4 prime factors.
9 , 4 , 9 , 21 , 169 , 1000 , 3332 , 7144 , 67664 , 82739 , 796150 , 796661 , 4503170 , 1943644 , 27941823 , 79755045 , 615882883 , 299776385 , 2135110745 , 215605845
n×2
259257242
n×3
388885863
n×4
518514484
n×5
648143105
n÷2
64814310.5
n÷3
43209540.333333
n÷3
32407155.25
n÷5
25925724.2
n2
16803579382361641
n3
2.1782248231996E+24
n4
2.8236028005933E+32
n5
3.6601973729265E+40
2 √n
11385.456556502
3 √n
506.09684935004
4 √n
106.70265487092
5 √n
41.931478919292
1 , 17 , 19 , 23 , 323 , 391 , 437 , 7429 , 17449 , 296633 , 331531 , 401327 , 5636027 , 6822559 , 7625213 , 129628621
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129628620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129628621 can be divided by 16 positive divisors.
The sum of these divisors (counting 129628621) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110011111100111001101
3
Ternary
100000220211001001
4
Quaternary
13232133213031
5
Quinary
231141103441
6
Senary
20510220301
8
Octal
756374715
10
Decimal
129628621
12
Duodecimal
374b4691
16
Hexadecimal
7b9f9cd
20
Vigesimal
20a3bb1
36
Base36
256e31
md5
a83317cc6d1604bab53ea2526db50584
sha1
0a66ae72221f871b9f4c2f4d0b0f028bbfe531be
sha256
436f2755c0831b586a224bd4356c42caa9bf2180c17788ae0cebe1b067a33bf7
sha512
6ecf0891bfd21ca534f1f962df2828a78f1d2b0279a96c7130988202534d5daed81db1536ac4c61b927f3803c3ab2354a8969c8a167eae45799e970effed8014
ripemd-160
b9d955b0370f79d36c9dd20d58c28ae9b3cbac98
Diameter
259257242
Circumference
814480646.85715
Area
5.279000154164E+16
Volume
9.1241268032409E+24
Surface area
2.1116000616656E+17
Circumference
814480646.85715
Perimeter
518514484
Area
16803579382361641
Diagonal
183322553.88992
Surface area
100821476294169846
Volume
2.1782248231996E+24
Space diagonal
224523357.68709
Perimeter
388885863
Area
7.2761633098168E+15
Altitude
112261678.84354
Surface area
7.2761633098168E+15
Volume
2.5670625723888E+23
Height
61107517.963307