21158045 is an odd 8-digits composite number following 21158044
and preceding 21158046 . In scientific notation, it is written as 2.1158045 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 16104000 positive integers (up to 21158045) that are relatively prime to 21158045.
21158045 has 16 divisors, whose sum is 26635392
The reverse of 21158045 is 54085112
Previous prime number is 733
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred fifty-eight thousand forty-five
Scientific notation
2.1158045 × 10^7
Engineering notation
2.1158045 × 10^6
Prime Factorization
5 × 23 × 733 × 251
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21158045
Product of the distinct prime numbers
The prime factorization of 21158045 is 5 × 23 × 733 × 251.
Since it has a total of 4 prime factors.
1 , 5 , 53 , 4 , 924 , 483 , 5501 , 7552 , 27052 , 48933 , 684519 , 898733 , 8536898 , 6326224 , 9977420 , 16450855 , 112638473 , 858640956 , 5517268130 , 3781832880
n×2
42316090
n×3
63474135
n×4
84632180
n×5
105790225
n÷2
10579022.5
n÷3
7052681.6666667
n÷3
5289511.25
n÷5
4231609
n2
447662868222025
n3
9.4716711106707E+21
n4
2.0040204358477E+29
n5
4.2401154562585E+36
2 √n
4599.7874950915
3 √n
276.5828063122
4 √n
67.821733206189
5 √n
29.180659790069
1 , 5 , 23 , 115 , 251 , 733 , 1255 , 3665 , 5773 , 16859 , 28865 , 84295 , 183983 , 919915 , 4231609 , 21158045
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
-21158044
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 21158045 can be divided by 16 positive divisors.
The sum of these divisors (counting 21158045) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000101101100010011101
3
Ternary
1110210221101022
4
Quaternary
1100231202131
5
Quinary
20404024140
6
Senary
2033253525
8
Octal
120554235
10
Decimal
21158045
12
Duodecimal
71042a5
16
Hexadecimal
142d89d
20
Vigesimal
6c4f25
36
Base36
clhnh
md5
dd5a44a605270381afa90c8c10428739
sha1
efb7cf7947588f3027c9a67f1159db60a969e005
sha256
ca0126d754842ffbdf0a5b0ae7cbf8c01d4b893f013488aca0ab6969456b34e3
sha512
2ba1e4e36a5c663d1b59df8bc6944b62ace0ce58441e8d76dd84eedb210d44d9592a55481da0af02cae9a50841d105b9f48a05c98d57b6a0b75ebfe8f4dd0c13
ripemd-160
0e1938cc69b815643a1a30d39398f8f01c141066
Diameter
42316090
Circumference
132939917.47264
Area
1.4063743780912E+15
Volume
3.9674843171336E+22
Surface area
5.625497512365E+15
Circumference
132939917.47264
Perimeter
84632180
Area
447662868222025
Diagonal
29921994.1923
Surface area
2685977209332150
Volume
9.4716711106707E+21
Space diagonal
36646808.928829
Perimeter
63474135
Area
1.9384370810564E+14
Altitude
18323404.464414
Surface area
1.9384370810564E+14
Volume
1.116247145254E+21
Height
9973998.0641001