21492379 is an odd 8-digits prime number following 21492378
and preceding 21492380 . In scientific notation, it is written as 2.1492379 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 21492378 positive integers (up to 21492379) that are relatively prime to 21492379.
21492379 has 2 divisors, whose sum is 21492380
The reverse of 21492379 is 97329412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 37 Digital Root 1
Name
twenty-one million four hundred ninety-two thousand three hundred seventy-nine
Scientific notation
2.1492379 × 10^7
Engineering notation
2.1492379 × 10^6
Prime Factorization
21492379
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21492379 Product of the distinct prime numbers
The prime factorization of 21492379 is 21492379.
Since it has a total of 1 prime factors.
1 , 2 , 37 , 73 , 277 , 142 , 8759 , 9722 , 25235 , 90376 , 334070 , 14090 , 2288127 , 3900760 , 37757638 , 17505809 , 815095827 , 579113102 , 6265694269 , 1429920223
n×2
42984758
n×3
64477137
n×4
85969516
n×5
107461895
n÷2
10746189.5
n÷3
7164126.3333333
n÷3
5373094.75
n÷5
4298475.8
n2
461922355079641
n3
9.9278103239442E+21
n4
2.1337226212232E+29
n5
4.5858775256203E+36
2 √n4635.9873813461
3 √n278.03202967568
4 √n68.088085458075
5 √n29.272303414982
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21492380 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10746190 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4635.987489198 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069438 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492379 can be divided by 2 positive divisors.
The sum of these divisors (counting 21492379) is 21492380, the average is 10746190.
Base
System
Value
2
Binary
1010001111111001010011011
3
Ternary
1111102221000001
4
Quaternary
1101333022123
5
Quinary
21000224004
6
Senary
2044353431
8
Octal
121771233
10
Decimal
21492379
12
Duodecimal
7245877
16
Hexadecimal
147f29b
20
Vigesimal
6e6aij
36
Base36
csnmj
md5
069db913f1c2144c3f5f0f6de16ea1dd
sha1
8a9ecb5664972c99b9eede9774f742619d872520
sha256
1adde1d71998d9d44369d8c626ce61d1d521d333a845a27cfb8f8f18136d8b16
sha512
8cec0cdae80c8a79a678c1a2c34a27f0e01356be4dcf2ee0d3c9f77febc0a91b6f0bed4a1825c5ca66b8498850f1815ea2e50b8ddc03230914689ad1bb9c7667
ripemd-160
a7e491bb68db7935fbbbb7449ce5dd1b7c58b3cc
Diameter
42984758
Circumference
135040599.94914
Area
1.4511718772471E+15
Volume
4.1585514639915E+22
Surface area
5.8046875089884E+15
Circumference
135040599.94914
Perimeter
85969516
Area
461922355079641
Diagonal
30394813.869463
Surface area
2771534130477846
Volume
9.9278103239442E+21
Space diagonal
37225892.403526
Perimeter
64477137
Area
2.0001824703745E+14
Altitude
18612946.201763
Surface area
2.0001824703745E+14
Volume
1.1700036670658E+21
Height
10131604.623154