21853910 is an even 8-digits composite number following 21853909
and preceding 21853911 . In scientific notation, it is written as 2.1853910 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors.
There are 7717248 positive integers (up to 21853910) that are relatively prime to 21853910.
21853910 has 32 divisors, whose sum is 44210880
The reverse of 21853910 is 01935812
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million eight hundred fifty-three thousand nine hundred ten
Scientific notation
2.1853910 × 10^7
Engineering notation
2.1853910 × 10^6
Prime Factorization
2 × 5 × 23 × 13 × 7309
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21853910
Product of the distinct prime numbers
The prime factorization of 21853910 is 2 × 5 × 23 × 13 × 7309.
Since it has a total of 5 prime factors.
7 , 7 , 77 , 41 , 681 , 801 , 1192 , 493 , 74212 , 65130 , 597473 , 119635 , 7580002 , 391550 , 17287872 , 45788178 , 814181642 , 141856048 , 2373273789 , 1671498914
n×2
43707820
n×3
65561730
n×4
87415640
n×5
109269550
n÷2
10926955
n÷3
7284636.6666667
n÷3
5463477.5
n÷5
4370782
n2
477593382288100
n3
1.043728279312E+22
n4
2.2809543880539E+29
n5
4.9847771910634E+36
2 √n
4674.8165739417
3 √n
279.58232795457
4 √n
68.372630298546
5 √n
29.370127376865
1 , 2 , 5 , 10 , 13 , 23 , 26 , 46 , 65 , 115 , 130 , 230 , 299 , 598 , 1495 , 2990 , 7309 , 14618 , 36545 , 73090 , 95017 , 168107 , 190034 , 336214 , 475085 , 840535 , 950170 , 1681070 , 2185391 , 4370782 , 10926955 , 21853910
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21853909
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21853910 can be divided by 32 positive divisors.
The sum of these divisors (counting 21853910) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010011010111011011010110
3
Ternary
1112010021221002
4
Quaternary
1103113123112
5
Quinary
21043311120
6
Senary
2100223302
8
Octal
123273326
10
Decimal
21853910
12
Duodecimal
739ab32
16
Hexadecimal
14d76d6
20
Vigesimal
6gbefa
36
Base36
d0el2
md5
418db19a6f68780892ed8b1aa019259e
sha1
2e381f4ab5c061acd0609addd25511f7c55072a0
sha256
3af8acc4f0b72b1d948a767ff731a60a7d08b50d4d3a60ba02000f15b574c818
sha512
ac3d0c5f3fcf81a7d4411bda54a6312a70e18b188d9178cbd0dfe25ecdc543afc9881223e28e4095e8f3616c39ebf1f929ea1a9b8dc82dd166a1bc61697fbcf9
ripemd-160
c2b9f013e048add91297ed48cc9f261e44e6fc86
Diameter
43707820
Circumference
137312166.21643
Area
1.5004038611994E+15
Volume
4.3719587928405E+22
Surface area
6.0016154447976E+15
Circumference
137312166.21643
Perimeter
87415640
Area
477593382288100
Diagonal
30906095.912881
Surface area
2865560293728600
Volume
1.043728279312E+22
Space diagonal
37852082.464038
Perimeter
65561730
Area
2.0680400087041E+14
Altitude
18926041.232019
Surface area
2.0680400087041E+14
Volume
1.2300455733628E+21
Height
10302031.97096