21492993 is an odd 8-digits composite number following 21492992
and preceding 21492994 . In scientific notation, it is written as 2.1492993 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 14328660 positive integers (up to 21492993) that are relatively prime to 21492993.
21492993 has 4 divisors, whose sum is 28657328
The reverse of 21492993 is 39929412
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million four hundred ninety-two thousand nine hundred ninety-three
Scientific notation
2.1492993 × 10^7
Engineering notation
2.1492993 × 10^6
Prime Factorization
3 × 7164331
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21492993
Product of the distinct prime numbers
The prime factorization of 21492993 is 3 × 7164331.
Since it has a total of 2 prime factors.
4 , 2 , 62 , 44 , 940 , 423 , 8211 , 3036 , 41623 , 60970 , 631494 , 232433 , 6892243 , 3335924 , 50046209 , 31152240 , 107317556 , 562940219 , 9796585797 , 7766264058
n×2
42985986
n×3
64478979
n×4
85971972
n×5
107464965
n÷2
10746496.5
n÷3
7164331
n÷3
5373248.25
n÷5
4298598.6
n2
461948748098049
n3
9.9286612092301E+21
n4
2.1339664586935E+29
n5
4.5865326158935E+36
2 √n
4636.0536019334
3 √n
278.03467728146
4 √n
68.088571742499
5 √n
29.272470664861
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492992
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492993 can be divided by 4 positive divisors.
The sum of these divisors (counting 21492993) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111010100000001
3
Ternary
1111102221211210
4
Quaternary
1101333110001
5
Quinary
21000233433
6
Senary
2044400333
8
Octal
121772401
10
Decimal
21492993
12
Duodecimal
72460a9
16
Hexadecimal
147f501
20
Vigesimal
6e6c9d
36
Base36
cso3l
md5
90da145ff70d862d2d351a172c3963b7
sha1
ad7716197ed6104467cc6306cf2f73d2e2db4ad8
sha256
661977a647ab8b04dceab08d0688076b5c547722f6c09724c46cb30f0ed17ae3
sha512
a7c178d7cc869dd32321ecb650f3c8252e977ac5ef37bd2838176dd6660a0e657fa1846b3488fe8be59ba12d49ad62de4e3b75659fdb97092b8fbccf4b774ad1
ripemd-160
31b7264470b15f02312d873471b00a933fe483db
Diameter
42985986
Circumference
135044457.82491
Area
1.4512547933598E+15
Volume
4.1589078819866E+22
Surface area
5.8050191734393E+15
Circumference
135044457.82491
Perimeter
85971972
Area
461948748098049
Diagonal
30395682.19659
Surface area
2771692488588294
Volume
9.9286612092301E+21
Space diagonal
37226955.882722
Perimeter
64478979
Area
2.0002967554966E+14
Altitude
18613477.941361
Surface area
2.0002967554966E+14
Volume
1.1701039448584E+21
Height
10131894.06553