65642993 is an odd 8-digits composite number following 65642992
and preceding 65642994 . In scientific notation, it is written as 6.5642993 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 60185088 positive integers (up to 65642993) that are relatively prime to 65642993.
65642993 has 8 divisors, whose sum is 71169000
The reverse of 65642993 is 39924656
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-five million six hundred forty-two thousand nine hundred ninety-three
Scientific notation
6.5642993 × 10^7
Engineering notation
6.5642993 × 10^6
Prime Factorization
13 × 149 × 33889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
65642993
Product of the distinct prime numbers
The prime factorization of 65642993 is 13 × 149 × 33889.
Since it has a total of 3 prime factors.
8 , 3 , 54 , 70 , 863 , 609 , 9799 , 4914 , 94483 , 52167 , 439582 , 88332 , 7276418 , 2162530 , 26877130 , 98499400 , 226712481 , 13457144 , 2955823450 , 4926535295
n×2
131285986
n×3
196928979
n×4
262571972
n×5
328214965
n÷2
32821496.5
n÷3
21880997.666667
n÷3
16410748.25
n÷5
13128598.6
n2
4309002529998049
n3
2.8285582291364E+23
n4
1.856750280353E+31
n5
1.2188264565596E+39
2 √n
8102.0363489681
3 √n
403.394022165
4 √n
90.011312338884
5 √n
36.59634178084
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-65642992
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 65642993 can be divided by 8 positive divisors.
The sum of these divisors (counting 65642993) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111010011010000111110001
3
Ternary
11120112000020222
4
Quaternary
3322122013301
5
Quinary
113301033433
6
Senary
10302542425
8
Octal
372320761
10
Decimal
65642993
12
Duodecimal
19b97a15
16
Hexadecimal
3e9a1f1
20
Vigesimal
10a579d
36
Base36
132ygh
md5
c0e92e18350b638016d99b0741b3a1ae
sha1
5b44510bd621ebcb6b719e9bf8d241e8e5f657fe
sha256
0cb394ccc977808249014bf939a0fe98632abcf2bf2dcd1285456cb1328e7d14
sha512
34eda26b681137d663b4ab38eaad337e616eeb70ea97abf51c35860802e30576c03eef24ef1602054359f44fb14067119eb95016775771d90764693e5c89d51a
ripemd-160
810ca2ec107498e161e845b15944bc56ffa46f3c
Diameter
131285986
Circumference
412447089.13689
Area
1.3537130692542E+16
Volume
1.1848237003875E+24
Surface area
5.4148522770167E+16
Circumference
412447089.13689
Perimeter
262571972
Area
4309002529998049
Diagonal
92833210.975362
Surface area
25854015179988294
Volume
2.8285582291364E+23
Space diagonal
113696999.03689
Perimeter
196928979
Area
1.8658528279749E+15
Altitude
56848499.518444
Surface area
1.8658528279749E+15
Volume
3.333487841339E+22
Height
30944403.658454