1664145 is an odd 7-digits composite number following 1664144
and preceding 1664146 . In scientific notation, it is written as 1.664145 × 10^6.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 759456 positive integers (up to 1664145) that are relatively prime to 1664145.
1664145 has 16 divisors, whose sum is 2408448
The reverse of 1664145 is 5414661
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 27
Digital Root 9
Name
one million six hundred sixty-four thousand one hundred forty-five
Scientific notation
1.664145 × 10^6
Engineering notation
1.664145 × 10^6
Prime Factorization
63 × 3 × 15 × 587
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1664145
Product of the distinct prime numbers
The prime factorization of 1664145 is 63 × 3 × 15 × 587.
Since it has a total of 4 prime factors.
7 , 6 , 5 , 20 , 515 , 598 , 655 , 6109 , 23878 , 75096 , 836150 , 494622 , 2951433 , 9700095 , 41845337 , 25076053 , 16983994 , 605132059 , 1744744455 , 5178811133
n×2
3328290
n×3
4992435
n×4
6656580
n×5
8320725
n÷2
832072.5
n÷3
554715
n÷3
416036.25
n÷5
332829
n2
2769378581025
n3
4608647518719848625
n4
7.66945772504E+24
n5
1.2763089725837E+31
2 √n
1290.0174417426
3 √n
118.50328463897
4 √n
35.91681280045
5 √n
17.548428595726
1 , 3 , 15 , 45 , 63 , 189 , 587 , 945 , 1761 , 2835 , 8805 , 26415 , 36981 , 110943 , 554715 , 1664145
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
-1664144
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 1664145 can be divided by 16 positive divisors.
The sum of these divisors (counting 1664145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110010110010010010001
3
Ternary
10010112210000
4
Quaternary
12112102101
5
Quinary
411223040
6
Senary
55400213
8
Octal
6262221
10
Decimal
1664145
12
Duodecimal
683069
16
Hexadecimal
196491
20
Vigesimal
a8075
36
Base36
zo29
md5
2dbefaa44dca307e1ef2804533f6c842
sha1
bd3d5058ca758fee988176a8726aeb8c99c3e9c9
sha256
d84354ee47242946dc71ebc649ff6ae09b6d8f6188c875c7095445f9fe620fd9
sha512
50402ccbc15134230ea5f67e51a124fb73d6d81d5235e8c7f92a975b0b6b48c69a9a436801f47138efd31a3cfd2418c5be3c013bad903405e1e40b20daf31ab7
ripemd-160
fa51ff47a1d5c49202a0ec08178872abc6066cac
Diameter
3328290
Circumference
10456131.413016
Area
8700259405157.1
Volume
1.9304657583727E+19
Surface area
34801037620628
Circumference
10456131.413016
Perimeter
6656580
Area
2769378581025
Diagonal
2353456.4287554
Surface area
16616271486150
Volume
4608647518719848625
Space diagonal
2882383.6911617
Perimeter
4992435
Area
1199176101932.1
Altitude
1441191.8455809
Surface area
1199176101932.1
Volume
5.4313431876423E+17
Height
784485.47625179