21159904 is an even 8-digits composite number following 21159903
and preceding 21159905 . In scientific notation, it is written as 2.1159904 × 10^7.
The sum of its digits is 31. It has a total of 7 prime factors and 24 positive divisors.
There are 10473600 positive integers (up to 21159904) that are relatively prime to 21159904.
21159904 has 24 divisors, whose sum is 42077448
The reverse of 21159904 is 40995112
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million one hundred fifty-nine thousand nine hundred four
Scientific notation
2.1159904 × 10^7
Engineering notation
2.1159904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 101 × 6547
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1322494
Product of the distinct prime numbers
The prime factorization of 21159904 is 2 × 2 × 2 × 2 × 2 × 101 × 6547.
Since it has a total of 7 prime factors.
4 , 8 , 39 , 78 , 132 , 96 , 2470 , 8860 , 65136 , 53977 , 851824 , 798261 , 4868000 , 5015133 , 97363436 , 31903661 , 95839375 , 754670047 , 4353450625 , 4333085929
n×2
42319808
n×3
63479712
n×4
84639616
n×5
105799520
n÷2
10579952
n÷3
7053301.3333333
n÷3
5289976
n÷5
4231980.8
n2
447741537289216
n3
9.4741679458522E+21
n4
2.0047248421411E+29
n5
4.2419785206121E+36
2 √n
4599.9895652056
3 √n
276.59090649945
4 √n
67.823222904884
5 √n
29.181172549543
1 , 2 , 4 , 8 , 16 , 32 , 101 , 202 , 404 , 808 , 1616 , 3232 , 6547 , 13094 , 26188 , 52376 , 104752 , 209504 , 661247 , 1322494 , 2644988 , 5289976 , 10579952 , 21159904
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21159903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21159904 can be divided by 24 positive divisors.
The sum of these divisors (counting 21159904) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000101101111111100000
3
Ternary
1110211000221011
4
Quaternary
1100231333200
5
Quinary
20404104104
6
Senary
2033310304
8
Octal
120557740
10
Decimal
21159904
12
Duodecimal
7105394
16
Hexadecimal
142dfe0
20
Vigesimal
6c4jf4
36
Base36
clj34
md5
06e08e0d3af55dca80adeb006a2afd79
sha1
fc971d56279c771b3f438377996b1bad19d89633
sha256
2dbe23802b6b9ae859d8be866ac7ba0e48dc839da2fcf0abbefa087abd68fb3f
sha512
990555859763b2572cea7c0c4a38e1c80defe793fce0cc9d8f4773102ae30560171fe046cbe898b370e99efa22bf3bf1303e2a7ff2bd8cbff115b4dc94e6141f
ripemd-160
b68820724a48f4e58492a1fe4bb7d98251d6a5ba
Diameter
42319808
Circumference
132951597.91413
Area
1.4066215242548E+15
Volume
3.9685301890087E+22
Surface area
5.6264860970192E+15
Circumference
132951597.91413
Perimeter
84639616
Area
447741537289216
Diagonal
29924623.215313
Surface area
2686449223735296
Volume
9.4741679458522E+21
Space diagonal
36650028.81128
Perimeter
63479712
Area
1.9387777281098E+14
Altitude
18325014.40564
Surface area
1.9387777281098E+14
Volume
1.1165414001021E+21
Height
9974874.4051042