20149870 is an even 8-digits composite number following 20149869
and preceding 20149871 . In scientific notation, it is written as 2.0149870 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 7439328 positive integers (up to 20149870) that are relatively prime to 20149870.
20149870 has 16 divisors, whose sum is 36487440
The reverse of 20149870 is 07894102
Previous prime number is 169
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-nine thousand eight hundred seventy
Scientific notation
2.0149870 × 10^7
Engineering notation
2.0149870 × 10^6
Prime Factorization
2 × 5 × 169 × 11923
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20149870
Product of the distinct prime numbers
The prime factorization of 20149870 is 2 × 5 × 169 × 11923.
Since it has a total of 4 prime factors.
3 , 10 , 25 , 42 , 289 , 964 , 8613 , 5066 , 56094 , 44623 , 747571 , 98457 , 5460501 , 6677074 , 20637826 , 48503271 , 391874144 , 635095853 , 9390740946 , 4053637217
n×2
40299740
n×3
60449610
n×4
80599480
n×5
100749350
n÷2
10074935
n÷3
6716623.3333333
n÷3
5037467.5
n÷5
4029974
n2
406017261016900
n3
8.1811950272466E+21
n4
1.6485001624367E+29
n5
3.3217063968077E+36
2 √n
4488.860657227
3 √n
272.11809138356
4 √n
66.99896012049
5 √n
28.897112566832
1 , 2 , 5 , 10 , 169 , 338 , 845 , 1690 , 11923 , 23846 , 59615 , 119230 , 2014987 , 4029974 , 10074935 , 20149870
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
-20149869
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 20149870 can be divided by 16 positive divisors.
The sum of these divisors (counting 20149870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110111011001101110
3
Ternary
1101220201102111
4
Quaternary
1030313121232
5
Quinary
20124243440
6
Senary
1555514234
8
Octal
114673156
10
Decimal
20149870
12
Duodecimal
68b897a
16
Hexadecimal
133766e
20
Vigesimal
65ieda
36
Base36
bzvqm
md5
13ea688bc47d386b688172e12ba4522b
sha1
2d2a9db47d58102caf30b69170bb3b09df8459be
sha256
4f74790ca0602a65168cea6e05ec9d9cff0908d069bb6b252bbd2a05a06f83d0
sha512
9c02515b8b5d529bd32273de881fd95c9d2bad1e49a1de0f12afe5b89e51a568ca9c1b682bd9feff770e3c4230381baf7e039290600e09f472f020033d2b876d
ripemd-160
ab8568fcb756a26d46cadd02ed7748fd6cb0bead
Diameter
40299740
Circumference
126605367.12558
Area
1.2755408444413E+15
Volume
3.4269309593578E+22
Surface area
5.1021633777654E+15
Circumference
126605367.12558
Perimeter
80599480
Area
406017261016900
Diagonal
28496219.434055
Surface area
2436103566101400
Volume
8.1811950272466E+21
Space diagonal
34900598.605908
Perimeter
60449610
Area
1.7581063120781E+14
Altitude
17450299.302954
Surface area
1.7581063120781E+14
Volume
9.6416308032929E+20
Height
9498739.8113516