21105874 is an even 8-digits composite number following 21105873
and preceding 21105875 . In scientific notation, it is written as 2.1105874 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 9864000 positive integers (up to 21105874) that are relatively prime to 21105874.
21105874 has 16 divisors, whose sum is 33751296
The reverse of 21105874 is 47850112
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million one hundred five thousand eight hundred seventy-four
Scientific notation
2.1105874 × 10^7
Engineering notation
2.1105874 × 10^6
Prime Factorization
2 × 17 × 151 × 4111
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21105874
Product of the distinct prime numbers
The prime factorization of 21105874 is 2 × 17 × 151 × 4111.
Since it has a total of 4 prime factors.
6 , 7 , 34 , 87 , 199 , 543 , 9495 , 2413 , 95805 , 19687 , 39612 , 716046 , 8220461 , 1059933 , 58299833 , 9035769 , 68602283 , 739288757 , 1198120670 , 7292934859
n×2
42211748
n×3
63317622
n×4
84423496
n×5
105529370
n÷2
10552937
n÷3
7035291.3333333
n÷3
5276468.5
n÷5
4221174.8
n2
445457917303876
n3
9.401778674918E+21
n4
1.9843275608871E+29
n5
4.188096747481E+36
2 √n
4594.1129720546
3 √n
276.35528879003
4 √n
67.779886190924
5 √n
29.166254981207
1 , 2 , 17 , 34 , 151 , 302 , 2567 , 4111 , 5134 , 8222 , 69887 , 139774 , 620761 , 1241522 , 10552937 , 21105874
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
-21105873
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 21105874 can be divided by 16 positive divisors.
The sum of these divisors (counting 21105874) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100000110011010010
3
Ternary
1110201021211001
4
Quaternary
1100200303102
5
Quinary
20400341444
6
Senary
2032212214
8
Octal
120406322
10
Decimal
21105874
12
Duodecimal
709a06a
16
Hexadecimal
1420cd2
20
Vigesimal
6bi4de
36
Base36
ckdea
md5
225c8bb37fb318274c94ea8689f1bf50
sha1
580db05c0a096263fb01d58e9a5027678cc6aa08
sha256
f22c81b560ba640697204608661c6af8b7403cf7e4ad63f418fb695b3a460dfc
sha512
e7235415e1cf587bdd9159a93a2e3e62006285e180639fdd1cd68fc659a0355f7034507448a0b4f2ec02dda4826b501cb41278b2311240d9012f8d47cec5e82f
ripemd-160
e1b00a671e1d2b2f2258bd0da56110443be0ffda
Diameter
42211748
Circumference
132612117.41198
Area
1.3994473204853E+15
Volume
3.9382078421066E+22
Surface area
5.5977892819411E+15
Circumference
132612117.41198
Perimeter
84423496
Area
445457917303876
Diagonal
29848213.256538
Surface area
2672747503823256
Volume
9.401778674918E+21
Space diagonal
36556446.106147
Perimeter
63317622
Area
1.9288893635103E+14
Altitude
18278223.053073
Surface area
1.9288893635103E+14
Volume
1.1080102427083E+21
Height
9949404.4188459