129706921 is an odd 9-digits prime number following 129706920
and preceding 129706922 . In scientific notation, it is written as 1.29706921 × 10^8.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 129706920 positive integers (up to 129706921) that are relatively prime to 129706921.
129706921 has 2 divisors, whose sum is 129706922
The reverse of 129706921 is 129607921
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 37 Digital Root 1
Name
one hundred twenty-nine million seven hundred six thousand nine hundred twenty-one
Scientific notation
1.29706921 × 10^8
Engineering notation
1.29706921 × 10^6
Prime Factorization
129706921
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
129706921 Product of the distinct prime numbers
The prime factorization of 129706921 is 129706921.
Since it has a total of 1 prime factors.
3 , 2 , 81 , 3 , 411 , 329 , 5274 , 5849 , 1963 , 43297 , 776067 , 798216 , 2520417 , 5815397 , 75976264 , 11934436 , 455398396 , 679491228 , 5764848651 , 8229613383
n×2
259413842
n×3
389120763
n×4
518827684
n×5
648534605
n÷2
64853460.5
n÷3
43235640.333333
n÷3
32426730.25
n÷5
25941384.2
n2
16823885355300241
n3
2.182174368693E+24
n4
2.8304311844829E+32
n5
3.6712651404165E+40
2 √n11388.894634687
3 √n506.19872861848
4 √n106.71876421083
5 √n41.936543297495
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
129706922 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
64853461 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11388.894678589 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999845806 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129706921 can be divided by 2 positive divisors.
The sum of these divisors (counting 129706921) is 129706922, the average is 64853461.
Base
System
Value
2
Binary
111101110110010101110101001
3
Ternary
100001001210110001
4
Quaternary
13232302232221
5
Quinary
231201110141
6
Senary
20512023001
8
Octal
756625651
10
Decimal
129706921
12
Duodecimal
37531a61
16
Hexadecimal
7bb2ba9
20
Vigesimal
20ad761
36
Base36
2582i1
md5
6e6f0f834235a0b32b4aa019fbaec0bf
sha1
2fe31213e03ff4c63d1caeccc1f308c191c01052
sha256
7829629bf3f34e835b3d4096b0facaefc0c058ff25b164c80d36eb8b7fd4b905
sha512
638da574a49d470d50887d2dc424bbfe6b3fa45442ff03ce5ef0ea4c387086ef7558b533b98d8de20cd74d47e548fdffe5bec1d1f3a81d0bad73284f0c004c74
ripemd-160
1c70590e86e63a7e99fa01b7c9965c1b92a4ceed
Diameter
259413842
Circumference
814972620.2667
Area
5.2853794637048E+16
Volume
9.1406706207171E+24
Surface area
2.1141517854819E+17
Circumference
814972620.2667
Perimeter
518827684
Area
16823885355300241
Diagonal
183433286.81186
Surface area
100943312131801446
Volume
2.182174368693E+24
Space diagonal
224658977.26532
Perimeter
389120763
Area
7.2849560540235E+15
Altitude
112329488.63266
Surface area
7.2849560540235E+15
Volume
2.5717171563905E+23
Height
61144428.937285