64989880 is an even 8-digits composite number following 64989879
and preceding 64989881 . In scientific notation, it is written as 6.4989880 × 10^7.
The sum of its digits is 52. It has a total of 6 prime factors and 32 positive divisors.
There are 24627456 positive integers (up to 64989880) that are relatively prime to 64989880.
64989880 has 32 divisors, whose sum is 153925200
The reverse of 64989880 is 08898946
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-four million nine hundred eighty-nine thousand eight hundred eighty
Scientific notation
6.4989880 × 10^7
Engineering notation
6.4989880 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 19 × 85513
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16247470
Product of the distinct prime numbers
The prime factorization of 64989880 is 2 × 2 × 2 × 5 × 19 × 85513.
Since it has a total of 6 prime factors.
6 , 8 , 57 , 92 , 818 , 95 , 3442 , 2112 , 54022 , 90534 , 840871 , 203346 , 6559012 , 6915529 , 38856413 , 59098359 , 440455033 , 629010470 , 5033680077 , 2433119926
n×2
129979760
n×3
194969640
n×4
259959520
n×5
324949400
n÷2
32494940
n÷3
21663293.333333
n÷3
16247470
n÷5
12997976
n2
4223684502414400
n3
2.7449674896977E+23
n4
1.7839510775936E+31
n5
1.1593876645868E+39
2 √n
8061.6301081109
3 √n
402.05170824016
4 √n
89.786580891082
5 √n
36.523227376996
1 , 2 , 4 , 5 , 8 , 10 , 19 , 20 , 38 , 40 , 76 , 95 , 152 , 190 , 380 , 760 , 85513 , 171026 , 342052 , 427565 , 684104 , 855130 , 1624747 , 1710260 , 3249494 , 3420520 , 6498988 , 8123735 , 12997976 , 16247470 , 32494940 , 64989880
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64989879
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64989880 can be divided by 32 positive divisors.
The sum of these divisors (counting 64989880) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11110111111010101010111000
3
Ternary
11112021211100121
4
Quaternary
3313322222320
5
Quinary
113114134010
6
Senary
10240543024
8
Octal
367725270
10
Decimal
64989880
12
Duodecimal
19921a74
16
Hexadecimal
3dfaab8
20
Vigesimal
1063ee0
36
Base36
12oyig
md5
73310c346acdfa89ce8a604752544b9b
sha1
496a235e6c656a2970c36db17fec83ee0984f127
sha256
5a7fbe2cfd11a5a8851cd30d8a8b2a839577b0f5334d735ed08cf1894ddb8a5c
sha512
c01f9310e1e588de02f8824d94546d73a8654322837ccbd27787045f260e250a61561a1ab9351233117ce85a161e4ba0ea54b032b8ee55050e6de7c5957a8678
ripemd-160
bd215ff6dc114b56fd322734671ae9f68ff89b58
Diameter
129979760
Circumference
408343459.13136
Area
1.3269096203866E+16
Volume
1.1498092933303E+24
Surface area
5.3076384815465E+16
Circumference
408343459.13136
Perimeter
259959520
Area
4223684502414400
Diagonal
91909569.713
Surface area
25342107014486400
Volume
2.7449674896977E+23
Space diagonal
112565774.1378
Perimeter
194969640
Area
1.8289090383308E+15
Altitude
56282887.068902
Surface area
1.8289090383308E+15
Volume
3.2349752101698E+22
Height
30636523.237667