21961738 is an even 8-digits composite number following 21961737
and preceding 21961739 . In scientific notation, it is written as 2.1961738 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 10980868 positive integers (up to 21961738) that are relatively prime to 21961738.
21961738 has 4 divisors, whose sum is 32942610
The reverse of 21961738 is 83716912
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million nine hundred sixty-one thousand seven hundred thirty-eight
Scientific notation
2.1961738 × 10^7
Engineering notation
2.1961738 × 10^6
Prime Factorization
2 × 10980869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21961738
Product of the distinct prime numbers
The prime factorization of 21961738 is 2 × 10980869.
Since it has a total of 2 prime factors.
6 , 9 , 100 , 8 , 381 , 812 , 3574 , 1155 , 1820 , 33136 , 652836 , 901407 , 2778909 , 5561523 , 59969226 , 60907594 , 516238524 , 438345 , 3218891507 , 9478782077
n×2
43923476
n×3
65885214
n×4
87846952
n×5
109808690
n÷2
10980869
n÷3
7320579.3333333
n÷3
5490434.5
n÷5
4392347.6
n2
482317935980644
n3
1.0592540142708E+22
n4
2.3263059136863E+29
n5
5.1089720984229E+36
2 √n
4686.3352419561
3 √n
280.04139694054
4 √n
68.45681296961
5 √n
29.399053003906
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
-21961737
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 21961738 can be divided by 4 positive divisors.
The sum of these divisors (counting 21961738) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011110001110000001010
3
Ternary
1112022202211201
4
Quaternary
1103301300022
5
Quinary
21110233423
6
Senary
2102414414
8
Octal
123616012
10
Decimal
21961738
12
Duodecimal
743140a
16
Hexadecimal
14f1c0a
20
Vigesimal
6h546i
36
Base36
d2psa
md5
b6029d2fa72f07050567761d7d8dcf4b
sha1
41f072e4298b3858290a5131d89b8c0e19900174
sha256
0a6a2ff0b042dd94bb990c723b911fb8c0163b27e727fda98ee80fb2126c724c
sha512
fedb4d0ec6f8a65286739814967c41e7cf9e9eb71ebaa7b6585510d2b9b224e5807ca832c91e96e5604ade953f26de26b21c0c669c41a49b2cb014a2ba698467
ripemd-160
c5a28ffc7fe523a282613a30f894fdbb5ca88878
Diameter
43923476
Circumference
137989669.52173
Area
1.5152464843714E+15
Volume
4.4369928393581E+22
Surface area
6.0609859374855E+15
Circumference
137989669.52173
Perimeter
87846952
Area
482317935980644
Diagonal
31058587.732885
Surface area
2893907615883864
Volume
1.0592540142708E+22
Space diagonal
38038846.038516
Perimeter
65885214
Area
2.0884979263006E+14
Altitude
19019423.019258
Surface area
2.0884979263006E+14
Volume
1.2483428274832E+21
Height
10352862.577628