21097812 is an even 8-digits composite number following 21097811
and preceding 21097813 . In scientific notation, it is written as 2.1097812 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6978400 positive integers (up to 21097812) that are relatively prime to 21097812.
21097812 has 24 divisors, whose sum is 49607712
The reverse of 21097812 is 21879012
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million ninety-seven thousand eight hundred twelve
Scientific notation
2.1097812 × 10^7
Engineering notation
2.1097812 × 10^6
Prime Factorization
2 × 2 × 3 × 131 × 13421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10548906
Product of the distinct prime numbers
The prime factorization of 21097812 is 2 × 2 × 3 × 131 × 13421.
Since it has a total of 5 prime factors.
6 , 7 , 50 , 2 , 113 , 724 , 3636 , 1802 , 50020 , 43569 , 987016 , 211740 , 3118063 , 6668598 , 29940784 , 99024446 , 805111260 , 541102001 , 2888752791 , 2943421072
n×2
42195624
n×3
63293436
n×4
84391248
n×5
105489060
n÷2
10548906
n÷3
7032604
n÷3
5274453
n÷5
4219562.4
n2
445117671187344
n3
9.3910089445884E+21
n4
1.9812974120324E+29
n5
4.1801040315147E+36
2 √n
4593.2354609795
3 √n
276.32009700601
4 √n
67.773412640796
5 √n
29.164026461478
1 , 2 , 3 , 4 , 6 , 12 , 131 , 262 , 393 , 524 , 786 , 1572 , 13421 , 26842 , 40263 , 53684 , 80526 , 161052 , 1758151 , 3516302 , 5274453 , 7032604 , 10548906 , 21097812
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
-21097811
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 21097812 can be divided by 24 positive divisors.
The sum of these divisors (counting 21097812) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000011110110101010100
3
Ternary
1110200212202110
4
Quaternary
1100132311110
5
Quinary
20400112222
6
Senary
2032111020
8
Octal
120366524
10
Decimal
21097812
12
Duodecimal
7095470
16
Hexadecimal
141ed54
20
Vigesimal
6bh4ac
36
Base36
ck76c
md5
1da0ea35c0e4a3ed3f28623215a12d2a
sha1
de46b5feefdaf363e9fe6519ae6493c918448a20
sha256
99e84a1838b4013feb03ddd873a1b0fe4414fd214f880b7cfb3ee999f8e5fc64
sha512
bdf08aff8f3278b70e4a4a0ae28df3c02d005f3cda1549ef4952795ae10cd98c19b0b17d8ddac81a3d5584f9cfcb87d22977c917c61d6f1ddb5dd6e6982efaeb
ripemd-160
21d755837e027b2cff12c728c7252315cb93cba4
Diameter
42195624
Circumference
132561462.37204
Area
1.3983784057852E+15
Volume
3.9336966280153E+22
Surface area
5.5935136231406E+15
Circumference
132561462.37204
Perimeter
84391248
Area
445117671187344
Diagonal
29836811.866798
Surface area
2670706027124064
Volume
9.3910089445884E+21
Space diagonal
36542482.312536
Perimeter
63293436
Area
1.927416054608E+14
Altitude
18271241.156268
Surface area
1.927416054608E+14
Volume
1.106741017817E+21
Height
9945603.9555993