129628887 is an odd 9-digits composite number following 129628886
and preceding 129628888 . In scientific notation, it is written as 1.29628887 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 79228800 positive integers (up to 129628887) that are relatively prime to 129628887.
129628887 has 16 divisors, whose sum is 187806720
The reverse of 129628887 is 788826921
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred twenty-nine million six hundred twenty-eight thousand eight hundred eighty-seven
Scientific notation
1.29628887 × 10^8
Engineering notation
1.29628887 × 10^6
Prime Factorization
3 × 19 × 31 × 73361
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129628887
Product of the distinct prime numbers
The prime factorization of 129628887 is 3 × 19 × 31 × 73361.
Since it has a total of 4 prime factors.
7 , 10 , 70 , 19 , 643 , 313 , 413 , 6699 , 74647 , 93168 , 695911 , 117250 , 4562947 , 6777587 , 87442700 , 89788843 , 629091970 , 757394849 , 7613416688 , 9298739287
n×2
259257774
n×3
388886661
n×4
518515548
n×5
648144435
n÷2
64814443.5
n÷3
43209629
n÷3
32407221.75
n÷5
25925777.4
n2
16803648344858769
n3
2.1782382324834E+24
n4
2.8236259769767E+32
n5
3.6602349269978E+40
2 √n
11385.468238066
3 √n
506.09719552274
4 √n
106.70270960976
5 √n
41.931496128091
1 , 3 , 19 , 31 , 57 , 93 , 589 , 1767 , 73361 , 220083 , 1393859 , 2274191 , 4181577 , 6822573 , 43209629 , 129628887
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
-129628886
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 129628887 can be divided by 16 positive divisors.
The sum of these divisors (counting 129628887) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110011111101011010111
3
Ternary
100000220211101220
4
Quaternary
13232133223113
5
Quinary
231141111022
6
Senary
20510221423
8
Octal
756375327
10
Decimal
129628887
12
Duodecimal
374b4873
16
Hexadecimal
7b9fad7
20
Vigesimal
20a3c47
36
Base36
256eaf
md5
bf005219f4913784d4aaf14d360825e7
sha1
8f1587414ba4086ce24ac8f3e0506f5ebdd79e92
sha256
b9cb3b23424840f099527a2d7950ecb43311179e7929d7b3c209a88012878e30
sha512
e23575a1c835d2c5988f3024229bead9be9aa273b18e9b5183c840f49d7498a31315534128702a00ae3e430ebd4eb0540f6fb8330dbb868f80328d7a65c1a750
ripemd-160
af75cfcbaba89069ace12a4e1bee6f845d985f77
Diameter
259257774
Circumference
814482318.18444
Area
5.2790218193715E+16
Volume
9.1241829719178E+24
Surface area
2.1116087277486E+17
Circumference
814482318.18444
Perimeter
518515548
Area
16803648344858769
Diagonal
183322930.07073
Surface area
100821890069152614
Volume
2.1782382324834E+24
Space diagonal
224523818.4126
Perimeter
388886661
Area
7.276193171454E+15
Altitude
112261909.2063
Surface area
7.276193171454E+15
Volume
2.5670783753814E+23
Height
61107643.35691