21158042 is an even 8-digits composite number following 21158041
and preceding 21158043 . In scientific notation, it is written as 2.1158042 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 10579020 positive integers (up to 21158042) that are relatively prime to 21158042.
21158042 has 4 divisors, whose sum is 31737066
The reverse of 21158042 is 24085112
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million one hundred fifty-eight thousand forty-two
Scientific notation
2.1158042 × 10^7
Engineering notation
2.1158042 × 10^6
Prime Factorization
2 × 10579021
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21158042
Product of the distinct prime numbers
The prime factorization of 21158042 is 2 × 10579021.
Since it has a total of 2 prime factors.
2 , 4 , 35 , 96 , 750 , 60 , 8551 , 5943 , 33884 , 20708 , 407784 , 434713 , 4307340 , 6265538 , 23198730 , 70878623 , 456295608 , 748126581 , 9684494679 , 6067659999
n×2
42316084
n×3
63474126
n×4
84632168
n×5
105790210
n÷2
10579021
n÷3
7052680.6666667
n÷3
5289510.5
n÷5
4231608.4
n2
447662741273764
n3
9.4716670817054E+21
n4
2.0040192992474E+29
n5
4.2401124502287E+36
2 √n
4599.7871689895
3 √n
276.58279323997
4 √n
67.821730802077
5 √n
29.180658962564
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
-21158041
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 21158042 can be divided by 4 positive divisors.
The sum of these divisors (counting 21158042) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000101101100010011010
3
Ternary
1110210221101012
4
Quaternary
1100231202122
5
Quinary
20404024132
6
Senary
2033253522
8
Octal
120554232
10
Decimal
21158042
12
Duodecimal
71042a2
16
Hexadecimal
142d89a
20
Vigesimal
6c4f22
36
Base36
clhne
md5
b6aa985fdb2e7da57b72191ce731d8e6
sha1
3150b8e1c258ac9a05afc2da7bb0d3e93759d7d2
sha256
650c3a111c3e302044663e38f97d61c59e8a84ba46235fd0e753b1846c842dde
sha512
69125a938cde7e3dfefb2c17a340483306926b02f3141a8bbe0a91d1f449827e3094cc288776eb3badb501c409b3073ee2507888fb1ea43c8f30331aa764ae85
ripemd-160
9bc74d649f32a41ce90288bf90b1e9bc42d4b6de
Diameter
42316084
Circumference
132939898.62309
Area
1.4063739792715E+15
Volume
3.9674826294845E+22
Surface area
5.6254959170861E+15
Circumference
132939898.62309
Perimeter
84632168
Area
447662741273764
Diagonal
29921989.94966
Surface area
2685976447642584
Volume
9.4716670817054E+21
Space diagonal
36646803.732676
Perimeter
63474126
Area
1.9384365313543E+14
Altitude
18323401.866338
Surface area
1.9384365313543E+14
Volume
1.1162466704359E+21
Height
9973996.6498865