21742495 is an odd 8-digits composite number following 21742494
and preceding 21742496 . In scientific notation, it is written as 2.1742495 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 16813440 positive integers (up to 21742495) that are relatively prime to 21742495.
21742495 has 16 divisors, whose sum is 26971488
The reverse of 21742495 is 59424712
Previous prime number is 557
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million seven hundred forty-two thousand four hundred ninety-five
Scientific notation
2.1742495 × 10^7
Engineering notation
2.1742495 × 10^6
Prime Factorization
5 × 37 × 557 × 211
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21742495
Product of the distinct prime numbers
The prime factorization of 21742495 is 5 × 37 × 557 × 211.
Since it has a total of 4 prime factors.
2 , 5 , 45 , 91 , 774 , 786 , 6459 , 6290 , 38794 , 58832 , 201781 , 531954 , 469548 , 7186167 , 22643103 , 71654133 , 611685116 , 656887981 , 8445191611 , 6393947441
n×2
43484990
n×3
65227485
n×4
86969980
n×5
108712475
n÷2
10871247.5
n÷3
7247498.3333333
n÷3
5435623.75
n÷5
4348499
n2
472736088825025
n3
1.0278462047598E+22
n4
2.2347940967758E+29
n5
4.8589999475178E+36
2 √n
4662.884836665
3 √n
279.10639861341
4 √n
68.285319334868
5 √n
29.34011932548
1 , 5 , 37 , 185 , 211 , 557 , 1055 , 2785 , 7807 , 20609 , 39035 , 103045 , 117527 , 587635 , 4348499 , 21742495
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21742494
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21742495 can be divided by 16 positive divisors.
The sum of these divisors (counting 21742495) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010111100001110011111
3
Ternary
1111220122002121
4
Quaternary
1102330032133
5
Quinary
21031224440
6
Senary
2054003411
8
Octal
122741637
10
Decimal
21742495
12
Duodecimal
7346567
16
Hexadecimal
14bc39f
20
Vigesimal
6fhg4f
36
Base36
cy0m7
md5
bfb60f69fd4b4af662ef53c27d93899c
sha1
a370fa8d2154309c5313ce9b0dab2b4627425414
sha256
f316eccfb577d49293ef506601526b521a97275c60b40fce9e68d8b93634cda3
sha512
31e1fbac942b26ad0971791e38b75e2dcaa1252c2fcf86c586fa3a906c8764061f73d0534964211098f6fb80a727bce33c9248b807cd4ff540d65259f8259af2
ripemd-160
90cb1dbb0f729011e663d39335879938d88366c3
Diameter
43484990
Circumference
136612125.12543
Area
1.4851442237395E+15
Volume
4.3054321145246E+22
Surface area
5.9405768949579E+15
Circumference
136612125.12543
Perimeter
86969980
Area
472736088825025
Diagonal
30748531.308829
Surface area
2836416532950150
Volume
1.0278462047598E+22
Space diagonal
37659106.023312
Perimeter
65227485
Area
2.0470073110408E+14
Altitude
18829553.011656
Surface area
2.0470073110408E+14
Volume
1.2113283690041E+21
Height
10249510.436276