129121637 is an odd 9-digits composite number following 129121636
and preceding 129121638 . In scientific notation, it is written as 1.29121637 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 128897280 positive integers (up to 129121637) that are relatively prime to 129121637.
129121637 has 4 divisors, whose sum is 129345996
The reverse of 129121637 is 736121921
Previous prime number is 577
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million one hundred twenty-one thousand six hundred thirty-seven
Scientific notation
1.29121637 × 10^8
Engineering notation
1.29121637 × 10^6
Prime Factorization
577 × 223781
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129121637
Product of the distinct prime numbers
The prime factorization of 129121637 is 577 × 223781.
Since it has a total of 2 prime factors.
1 , 9 , 70 , 77 , 892 , 877 , 5176 , 6801 , 70866 , 77778 , 363565 , 88891 , 1361072 , 5640028 , 50861165 , 79457510 , 997969781 , 931515936 , 6757097109 , 74951628
n×2
258243274
n×3
387364911
n×4
516486548
n×5
645608185
n÷2
64560818.5
n÷3
43040545.666667
n÷3
32280409.25
n÷5
25824327.4
n2
16672397141559769
n3
2.1527672116323E+24
n4
2.7796882644589E+32
n5
3.5891789905662E+40
2 √n
11363.170200257
3 √n
505.43619731508
4 √n
106.59817165532
5 √n
41.898628265846
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
-129121636
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 129121637 can be divided by 4 positive divisors.
The sum of these divisors (counting 129121637) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100100011110101100101
3
Ternary
22222222001120212
4
Quaternary
13230203311211
5
Quinary
231023343022
6
Senary
20451305205
8
Octal
754436545
10
Decimal
129121637
12
Duodecimal
372ab205
16
Hexadecimal
7b23d65
20
Vigesimal
207041h
36
Base36
24viw5
md5
fa2ecfbf2c1224713437cee8d1fe6ff5
sha1
321c0abb9739977d94f6266f3c8e44d698916bff
sha256
ed90954c6db23dffa737d9850eafe307f3e11472071812347211a7f400877818
sha512
75a3f03afb1f2e0c9807bd06749203c377955f7981785bf2c9c18011566e42c57feb86f92d667085c248bbb61b3d1728ac66fcee1031a8790979d59148c51f56
ripemd-160
75a31515f183c30fab385dcd7d4cfd4ae8edf739
Diameter
258243274
Circumference
811295172.43738
Area
5.2377880377656E+16
Volume
9.0174902092708E+24
Surface area
2.0951152151062E+17
Circumference
811295172.43738
Perimeter
516486548
Area
16672397141559769
Diagonal
182605570.24122
Surface area
100034382849358614
Volume
2.1527672116323E+24
Space diagonal
223645235.64047
Perimeter
387364911
Area
7.2193597332869E+15
Altitude
111822617.82023
Surface area
7.2193597332869E+15
Volume
2.5370604894354E+23
Height
60868523.413739