21497837 is an odd 8-digits prime number following 21497836
and preceding 21497838 . In scientific notation, it is written as 2.1497837 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 21497836 positive integers (up to 21497837) that are relatively prime to 21497837.
21497837 has 2 divisors, whose sum is 21497838
The reverse of 21497837 is 73879412
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-one million four hundred ninety-seven thousand eight hundred thirty-seven
Scientific notation
2.1497837 × 10^7
Engineering notation
2.1497837 × 10^6
Prime Factorization
21497837
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21497837
Product of the distinct prime numbers
The prime factorization of 21497837 is 21497837.
Since it has a total of 1 prime factors.
4 , 7 , 63 , 12 , 56 , 32 , 3764 , 7060 , 84409 , 51164 , 607740 , 836069 , 9822934 , 7173867 , 14462311 , 23544208 , 737013615 , 834512205 , 1924321812 , 9204981299
n×2
42995674
n×3
64493511
n×4
85991348
n×5
107489185
n÷2
10748918.5
n÷3
7165945.6666667
n÷3
5374459.25
n÷5
4299567.4
n2
462156995678569
n3
9.9353757615076E+21
n4
2.1358908865464E+29
n5
4.591703412876E+36
2 √n
4636.5759995928
3 √n
278.05556313964
4 √n
68.092407796999
5 √n
29.273790007092
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21497838
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10748919
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4636.576107431
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999069674
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497837 can be divided by 2 positive divisors.
The sum of these divisors (counting 21497837) is 21497838, the average is 10748919.
Base
System
Value
2
Binary
1010010000000011111101101
3
Ternary
1111110012111012
4
Quaternary
1102000133231
5
Quinary
21000412322
6
Senary
2044435005
8
Octal
122003755
10
Decimal
21497837
12
Duodecimal
7248a65
16
Hexadecimal
14807ed
20
Vigesimal
6e74bh
36
Base36
csru5
md5
13dd784c47f6b02193dee1534a947f2b
sha1
cadc696fdd59298c85f675ec7de0ffef5e412ff7
sha256
091b49abcd2bd1e479f853ca53936bf4c9a4c499cb688c21db9ebc5851592f01
sha512
1c40b5352fbcb98800b1cdacfba09597351dd5e279979811f78d5f074e32812477020fc793c9fa1346b25877c19060feb0fe7a2b68c3aeffc81d52826ed51453
ripemd-160
6cc6222581053979b1954232c11f5acd8f47c8c2
Diameter
42995674
Circumference
135074893.57454
Area
1.4519090224289E+15
Volume
4.1617204670675E+22
Surface area
5.8076360897157E+15
Circumference
135074893.57454
Perimeter
85991348
Area
462156995678569
Diagonal
30402532.647086
Surface area
2772941974071414
Volume
9.9353757615076E+21
Space diagonal
37235345.936834
Perimeter
64493511
Area
2.0011984939717E+14
Altitude
18617672.968417
Surface area
2.0011984939717E+14
Volume
1.1708952624331E+21
Height
10134177.549029