21151804 is an even 8-digits composite number following 21151803
and preceding 21151805 . In scientific notation, it is written as 2.1151804 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 6 positive divisors.
There are 10575900 positive integers (up to 21151804) that are relatively prime to 21151804.
21151804 has 6 divisors, whose sum is 37015664
The reverse of 21151804 is 40815112
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million one hundred fifty-one thousand eight hundred four
Scientific notation
2.1151804 × 10^7
Engineering notation
2.1151804 × 10^6
Prime Factorization
2 × 2 × 5287951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10575902
Product of the distinct prime numbers
The prime factorization of 21151804 is 2 × 2 × 5287951.
Since it has a total of 3 prime factors.
10 , 10 , 60 , 26 , 644 , 583 , 9033 , 8313 , 97482 , 80243 , 560707 , 293992 , 2943025 , 7739459 , 19710282 , 26573695 , 254021643 , 831529476 , 1653303386 , 5472879327
n×2
42303608
n×3
63455412
n×4
84607216
n×5
105759020
n÷2
10575902
n÷3
7050601.3333333
n÷3
5287951
n÷5
4230360.8
n2
447398812454416
n3
9.4632919908686E+21
n4
2.0016569738562E+29
n5
4.233865598624E+36
2 √n
4599.1090441519
3 √n
276.55560904447
4 √n
67.816731299525
5 √n
29.178938099911
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21151803
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21151804 can be divided by 6 positive divisors.
The sum of these divisors (counting 21151804) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010000101100000000111100
3
Ternary
1110210121211011
4
Quaternary
1100230000330
5
Quinary
20403324204
6
Senary
2033205004
8
Octal
120540074
10
Decimal
21151804
12
Duodecimal
7100764
16
Hexadecimal
142c03c
20
Vigesimal
6c3ja4
36
Base36
clcu4
md5
a9838db90d18257e41473ef10e133679
sha1
11d401c649e09b60b69886c4fa6d86bfd290976d
sha256
5940a5cabccf6d6f34088f4fab55d5f5ef3c16a1d1ab7d54893ef3d16ef82117
sha512
06dcf843912fbbdd9843b1761b0f754529b7ec509ad86e5e93e8763605bcecc4f2562e69c46e0a4e9dfab1a468561fc4dc6a0ee59c2febcbd5beb79a71f896be
ripemd-160
eb0ba3a5eb25059b1a101e794fa2c2525985459e
Diameter
42303608
Circumference
132900704.11314
Area
1.4055448224316E+15
Volume
3.9639744796384E+22
Surface area
5.6221792897264E+15
Circumference
132900704.11314
Perimeter
84607216
Area
447398812454416
Diagonal
29913168.085457
Surface area
2684392874726496
Volume
9.4632919908686E+21
Space diagonal
36635999.199739
Perimeter
63455412
Area
1.9372936860426E+14
Altitude
18317999.599869
Surface area
1.9372936860426E+14
Volume
1.1152596565153E+21
Height
9971056.0284858