64492720 is an even 8-digits composite number following 64492719
and preceding 64492721 . In scientific notation, it is written as 6.4492720 × 10^7.
The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors.
There are 25797056 positive integers (up to 64492720) that are relatively prime to 64492720.
64492720 has 20 divisors, whose sum is 149945760
The reverse of 64492720 is 02729446
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-four million four hundred ninety-two thousand seven hundred twenty
Scientific notation
6.4492720 × 10^7
Engineering notation
6.4492720 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 806159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8061590
Product of the distinct prime numbers
The prime factorization of 64492720 is 2 × 2 × 2 × 2 × 5 × 806159.
Since it has a total of 6 prime factors.
10 , 2 , 26 , 22 , 562 , 21 , 5607 , 9811 , 27699 , 52282 , 408977 , 171711 , 911552 , 6926335 , 85746355 , 90117759 , 222167862 , 444294100 , 3764850532 , 8684715257
n×2
128985440
n×3
193478160
n×4
257970880
n×5
322463600
n÷2
32246360
n÷3
21497573.333333
n÷3
16123180
n÷5
12898544
n2
4159310932998400
n3
2.682452753948E+23
n4
1.729986743736E+31
n5
1.1157155066748E+39
2 √n
8030.7359563118
3 √n
401.0238769538
4 √n
89.6143736033
5 √n
36.46717647846
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 806159 , 1612318 , 3224636 , 4030795 , 6449272 , 8061590 , 12898544 , 16123180 , 32246360 , 64492720
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64492719
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64492720 can be divided by 20 positive divisors.
The sum of these divisors (counting 64492720) is 1, the average is 0.05.
Base
System
Value
2
Binary
11110110000001010010110000
3
Ternary
11111100120101021
4
Quaternary
3312001102300
5
Quinary
113002231340
6
Senary
10222145224
8
Octal
366012260
10
Decimal
64492720
12
Duodecimal
19722214
16
Hexadecimal
3d814b0
20
Vigesimal
1031bg0
36
Base36
12eawg
md5
337c71b9c959fb06144f06b95c3e1e53
sha1
cf9476bcd3ca218ddbf829e37466f53efd43803f
sha256
b1b128b71c005762f868aeafd38d7b5b25cb91a03f0052ab8dc112781d241449
sha512
e04ff9a997e8d45eb5eca84698c5e413064890484cd13a04e09a49a33430ad1f48adefcb8b2f50d5ddbd2243f5098bd4e196b489baec12f618de3faa960a80da
ripemd-160
8c4fef3483b02235c1c82236fac51221e8dc6a6d
Diameter
128985440
Circumference
405219710.72405
Area
1.3066860671103E+16
Volume
1.123623182054E+24
Surface area
5.2267442684414E+16
Circumference
405219710.72405
Perimeter
257970880
Area
4159310932998400
Diagonal
91206479.298331
Surface area
24955865597990400
Volume
2.682452753948E+23
Space diagonal
111704667.75831
Perimeter
193478160
Area
1.8010344651075E+15
Altitude
55852333.879157
Surface area
1.8010344651075E+15
Volume
3.1613008875487E+22
Height
30402159.76611