129677921 is an odd 9-digits composite number following 129677920
and preceding 129677922 . In scientific notation, it is written as 1.29677921 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 122049792 positive integers (up to 129677921) that are relatively prime to 129677921.
129677921 has 4 divisors, whose sum is 137306052
The reverse of 129677921 is 129776921
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-nine million six hundred seventy-seven thousand nine hundred twenty-one
Scientific notation
1.29677921 × 10^8
Engineering notation
1.29677921 × 10^6
Prime Factorization
17 × 7628113
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129677921
Product of the distinct prime numbers
The prime factorization of 129677921 is 17 × 7628113.
Since it has a total of 2 prime factors.
2 , 4 , 60 , 31 , 776 , 246 , 7753 , 895 , 40242 , 87384 , 832854 , 139878 , 1595605 , 4811599 , 51432685 , 69973746 , 286679492 , 949055989 , 3702927768 , 5192811540
n×2
259355842
n×3
389033763
n×4
518711684
n×5
648389605
n÷2
64838960.5
n÷3
43225973.666667
n÷3
32419480.25
n÷5
25935584.2
n2
16816363194882241
n3
2.1807110178932E+24
n4
2.8279007110219E+32
n5
3.6671628499974E+40
2 √n
11387.621393425
3 √n
506.16100033795
4 √n
106.71279863927
5 √n
41.934667887109
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
-129677920
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 129677921 can be divided by 4 positive divisors.
The sum of these divisors (counting 129677921) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110101011101001100001
3
Ternary
100001000022122222
4
Quaternary
13232223221201
5
Quinary
231144143141
6
Senary
20511240425
8
Octal
756535141
10
Decimal
129677921
12
Duodecimal
37519115
16
Hexadecimal
7baba61
20
Vigesimal
20a9eg1
36
Base36
257g4h
md5
9448b9dd6561f225477664c8fb504dae
sha1
86b58996395776b97b7c5af745469d3f78502e53
sha256
8f4966c250f9ed7d711c0fbb2bea92a18b013c0d0ac463fe0a989a44fe14829a
sha512
656e6621fe4797d9ce6c566866ea8b52ff410656b4b8ca2049d402aad0e0657043408a5c88cc6719964361ecea5918b80a72d879d22a88f9b6d6af8d9a068f35
ripemd-160
8f1c36e7a9158b774071106a7aa437b89284e879
Diameter
259355842
Circumference
814790407.8928
Area
5.283016307314E+16
Volume
9.134540951221E+24
Surface area
2.1132065229256E+17
Circumference
814790407.8928
Perimeter
518711684
Area
16816363194882241
Diagonal
183392274.61855
Surface area
100898179169293446
Volume
2.1807110178932E+24
Space diagonal
224608747.7919
Perimeter
389033763
Area
7.2816988630168E+15
Altitude
112304373.89595
Surface area
7.2816988630168E+15
Volume
2.5699925809342E+23
Height
61130758.206182