21997249 is an odd 8-digits prime number following 21997248
and preceding 21997250 . In scientific notation, it is written as 2.1997249 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 21997248 positive integers (up to 21997249) that are relatively prime to 21997249.
21997249 has 2 divisors, whose sum is 21997250
The reverse of 21997249 is 94279912
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million nine hundred ninety-seven thousand two hundred forty-nine
Scientific notation
2.1997249 × 10^7
Engineering notation
2.1997249 × 10^6
Prime Factorization
21997249
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21997249
Product of the distinct prime numbers
The prime factorization of 21997249 is 21997249.
Since it has a total of 1 prime factors.
7 , 8 , 74 , 80 , 500 , 844 , 8817 , 3594 , 7228 , 99826 , 239998 , 727437 , 4248688 , 3019378 , 20222942 , 54026441 , 519275965 , 459374137 , 7792460654 , 2086173470
n×2
43994498
n×3
65991747
n×4
87988996
n×5
109986245
n÷2
10998624.5
n÷3
7332416.3333333
n÷3
5499312.25
n÷5
4399449.8
n2
483878963568001
n3
1.0644006047467E+22
n4
2.3413885138364E+29
n5
5.15041061446E+36
2 √n
4690.1224930699
3 √n
280.19225316929
4 √n
68.484468991662
5 √n
29.408554211821
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21997250
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10998625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4690.1225996769
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999090795
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21997249 can be divided by 2 positive divisors.
The sum of these divisors (counting 21997249) is 21997250, the average is 10998625.
Base
System
Value
2
Binary
1010011111010011011000001
3
Ternary
1112101120112221
4
Quaternary
1103322123001
5
Quinary
21112402444
6
Senary
2103251041
8
Octal
123723301
10
Decimal
21997249
12
Duodecimal
7449a81
16
Hexadecimal
14fa6c1
20
Vigesimal
6h9d29
36
Base36
d3h6p
md5
9e883175ab43d10f257678048a098721
sha1
40a0ab55ec333b9d151130fba802f4c1cfa6bc28
sha256
4e20dddc8b58573ab2fa2966ee49bdba6b61150ddfb71ef9ddc70942872b4834
sha512
4d79e7ef696d4869099afce38e414e7fdc7a030ca7911998ae2bcdcf3c3b8230049ece04d97c584a57d1ed010a2abb74cf5458f71a2801e50e27632606d870f0
ripemd-160
233554150898e4e9f07fce2bf0f088a0982833ad
Diameter
43994498
Circumference
138212791.71517
Area
1.5201505971719E+15
Volume
4.4585508271318E+22
Surface area
6.0806023886875E+15
Circumference
138212791.71517
Perimeter
87988996
Area
483878963568001
Diagonal
31108807.870698
Surface area
2903273781408006
Volume
1.0644006047467E+22
Space diagonal
38100352.894744
Perimeter
65991747
Area
2.0952573740339E+14
Altitude
19050176.447372
Surface area
2.0952573740339E+14
Volume
1.2544081425258E+21
Height
10369602.623566