20210129 is an odd 8-digits composite number following 20210128
and preceding 20210130 . In scientific notation, it is written as 2.0210129 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 16 positive divisors.
There are 18035136 positive integers (up to 20210129) that are relatively prime to 20210129.
20210129 has 16 divisors, whose sum is 22545600
The reverse of 20210129 is 92101202
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million two hundred ten thousand one hundred twenty-nine
Scientific notation
2.0210129 × 10^7
Engineering notation
2.0210129 × 10^6
Prime Factorization
43 × 19 × 29 × 853
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20210129
Product of the distinct prime numbers
The prime factorization of 20210129 is 43 × 19 × 29 × 853.
Since it has a total of 4 prime factors.
7 , 3 , 71 , 28 , 416 , 848 , 9166 , 6730 , 54327 , 33811 , 559199 , 970841 , 2106395 , 9416019 , 84464029 , 84778506 , 728697457 , 318670328 , 5582077876 , 1951551727
n×2
40420258
n×3
60630387
n×4
80840516
n×5
101050645
n÷2
10105064.5
n÷3
6736709.6666667
n÷3
5052532.25
n÷5
4042025.8
n2
408449314196641
n3
8.2548133298756E+21
n4
1.6683084226771E+29
n5
3.371672843409E+36
2 √n
4495.5677060856
3 √n
272.38908147452
4 √n
67.048994817862
5 √n
28.914375525367
1 , 19 , 29 , 43 , 551 , 817 , 853 , 1247 , 16207 , 23693 , 24737 , 36679 , 470003 , 696901 , 1063691 , 20210129
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
-20210128
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 20210129 can be divided by 16 positive divisors.
The sum of these divisors (counting 20210129) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000110000111010001
3
Ternary
1102000210002022
4
Quaternary
1031012013101
5
Quinary
20133211004
6
Senary
2001101225
8
Octal
115060721
10
Decimal
20210129
12
Duodecimal
6927815
16
Hexadecimal
13461d1
20
Vigesimal
666569
36
Base36
c168h
md5
03e737991426d6856d109b6022a9e11c
sha1
42bd6ed04861b59298bd05d24b7a854afbfac5b1
sha256
3e4e5555defea4b9260e0bfbcc6843141fecce388adf0e5c21b78c3e9a2b4163
sha512
ae6de3ef31490b4e004e3d8ad2254e944003b3000622031f0ef3c5e091e36404b0ee25c43c99e117b1e21ebc01cfc7e09ca05ea8c9e7ac196d6ce6d55ca278ee
ripemd-160
81c2023634d2a395e378e630aacef3293a66522a
Diameter
40420258
Circumference
126983985.589
Area
1.283181364844E+15
Volume
3.4577681218523E+22
Surface area
5.1327254593758E+15
Circumference
126983985.589
Perimeter
80840516
Area
408449314196641
Diagonal
28581438.52911
Surface area
2450695885179846
Volume
8.2548133298756E+21
Space diagonal
35004970.255521
Perimeter
60630387
Area
1.7686374112631E+14
Altitude
17502485.127761
Surface area
1.7686374112631E+14
Volume
9.7283908049736E+20
Height
9527146.1763699