64943988 is an even 8-digits composite number following 64943987
and preceding 64943989 . In scientific notation, it is written as 6.4943988 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors.
There are 21625344 positive integers (up to 64943988) that are relatively prime to 64943988.
64943988 has 24 divisors, whose sum is 151694592
The reverse of 64943988 is 88934946
Previous prime number is 1217
Is Prime? no Number parity even Number length 8 Sum of Digits 51 Digital Root 6
Name
sixty-four million nine hundred forty-three thousand nine hundred eighty-eight
Scientific notation
6.4943988 × 10^7
Engineering notation
6.4943988 × 10^6
Prime Factorization
2 × 2 × 3 × 1217 × 4447
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
32471994 Product of the distinct prime numbers
The prime factorization of 64943988 is 2 × 2 × 3 × 1217 × 4447.
Since it has a total of 5 prime factors.
5 , 4 , 73 , 47 , 195 , 512 , 2664 , 1477 , 94605 , 49717 , 944429 , 930942 , 7212773 , 3639927 , 8903919 , 11910579 , 344111423 , 248588480 , 9465931465 , 8669711052
n×2
129887976
n×3
194831964
n×4
259775952
n×5
324719940
n÷2
32471994
n÷3
21647996
n÷3
16235997
n÷5
12988797.6
n2
4217721577344144
n3
2.7391565950638E+23
n4
1.7789175303994E+31
n5
1.1552999874725E+39
2 √n8058.7832828536
3 √n401.95705092998
4 √n89.770726202106
5 √n36.518067811897
1 , 2 , 3 , 4 , 6 , 12 , 1217 , 2434 , 3651 , 4447 , 4868 , 7302 , 8894 , 13341 , 14604 , 17788 , 26682 , 53364 , 5411999 , 10823998 , 16235997 , 21647996 , 32471994 , 64943988
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-64943987 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64943988 can be divided by 24 positive divisors.
The sum of these divisors (counting 64943988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11110111101111011101110100
3
Ternary
11112012111101220
4
Quaternary
3313233131310
5
Quinary
113111201423
6
Senary
10235550340
8
Octal
367573564
10
Decimal
64943988
12
Duodecimal
198bb3b0
16
Hexadecimal
3def774
20
Vigesimal
105hjj8
36
Base36
12nz3o
md5
251e8f20ff203660d13c0db6615dcee3
sha1
71d72577fc54000d7be8a1c70dc1ba57ca6ddfe2
sha256
6dbbf1634e6305e9b0bb82f6971e4cadd3fa71b142a9a54b1faabfdd182a54c4
sha512
fc5aedd19f39d9fba100218dd89d740b4be9c85b7b2d17364b92321a744799b51d64550f2740ae317797d85fba9d49a43cb2ecf266365d31ca04bacb44ca9670
ripemd-160
b19d602edcb87ec08704e2edd600c44f49db7196
Diameter
129887976
Circumference
408055111.19125
Area
1.3250363122272E+16
Volume
1.1473752314779E+24
Surface area
5.3001452489086E+16
Circumference
408055111.19125
Perimeter
259775952
Area
4217721577344144
Diagonal
91844668.624196
Surface area
25306329464064864
Volume
2.7391565950638E+23
Space diagonal
112486286.86214
Perimeter
194831964
Area
1.8263270160349E+15
Altitude
56243143.431072
Surface area
1.8263270160349E+15
Volume
3.2281270051691E+22
Height
30614889.541399