21372021 is an odd 8-digits composite number following 21372020
and preceding 21372022 . In scientific notation, it is written as 2.1372021 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 12736800 positive integers (up to 21372021) that are relatively prime to 21372021.
21372021 has 24 divisors, whose sum is 34238880
The reverse of 21372021 is 12027312
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million three hundred seventy-two thousand twenty-one
Scientific notation
2.1372021 × 10^7
Engineering notation
2.1372021 × 10^6
Prime Factorization
3 × 3 × 11 × 61 × 3539
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7124007
Product of the distinct prime numbers
The prime factorization of 21372021 is 3 × 3 × 11 × 61 × 3539.
Since it has a total of 5 prime factors.
3 , 5 , 19 , 80 , 634 , 597 , 3312 , 4755 , 61332 , 28741 , 19342 , 434030 , 3217189 , 4668597 , 66114491 , 64962041 , 882934856 , 828160095 , 2192084384 , 840548093
n×2
42744042
n×3
64116063
n×4
85488084
n×5
106860105
n÷2
10686010.5
n÷3
7124007
n÷3
5343005.25
n÷5
4274404.2
n2
456763281624441
n3
9.7619544469065E+21
n4
2.0863269544033E+29
n5
4.4589023482373E+36
2 √n
4622.9883192584
3 √n
277.51206180832
4 √n
67.99256076409
5 √n
29.239444563671
1 , 3 , 9 , 11 , 33 , 61 , 99 , 183 , 549 , 671 , 2013 , 3539 , 6039 , 10617 , 31851 , 38929 , 116787 , 215879 , 350361 , 647637 , 1942911 , 2374669 , 7124007 , 21372021
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
-21372020
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 21372021 can be divided by 24 positive divisors.
The sum of these divisors (counting 21372021) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001100001110001110101
3
Ternary
1111012210220100
4
Quaternary
1101201301311
5
Quinary
20432401041
6
Senary
2042024313
8
Octal
121416165
10
Decimal
21372021
12
Duodecimal
71a8099
16
Hexadecimal
1461c75
20
Vigesimal
6dba11
36
Base36
cq2r9
md5
a16c3876a6de2eb875fbeacb7df687f4
sha1
f07cceb34c1317b77cf48767e95d2b0e17c2341b
sha256
383733ed6fed0c0558fc5f482491e4a10a08855de806bfa7cfadf91095ee63e8
sha512
60e097c6358c6fc3118bd2f0a06160511bbabb175f0927795443068f7508fc04d93b73fed136d48c63bab23fcc8f3798cd62d0ea5f9829292d6e233e5435d542
ripemd-160
db0e3f693d51593ed59d0a3ea23cd68a5d5d3040
Diameter
42744042
Circumference
134284368.33193
Area
1.4349641699809E+15
Volume
4.0890779166773E+22
Surface area
5.7398566799236E+15
Circumference
134284368.33193
Perimeter
85488084
Area
456763281624441
Diagonal
30224601.953523
Surface area
2740579689746646
Volume
9.7619544469065E+21
Space diagonal
37017426.232429
Perimeter
64116063
Area
1.9778430270136E+14
Altitude
18508713.116215
Surface area
1.9778430270136E+14
Volume
1.150457364507E+21
Height
10074867.317841