65989891 is an odd 8-digits composite number following 65989890
and preceding 65989892 . In scientific notation, it is written as 6.5989891 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 6 positive divisors.
There are 59990700 positive integers (up to 65989891) that are relatively prime to 65989891.
65989891 has 6 divisors, whose sum is 72534476
The reverse of 65989891 is 19898956
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
sixty-five million nine hundred eighty-nine thousand eight hundred ninety-one
Scientific notation
6.5989891 × 10^7
Engineering notation
6.5989891 × 10^6
Prime Factorization
11 × 11 × 545371
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
5999081
Product of the distinct prime numbers
The prime factorization of 65989891 is 11 × 11 × 545371.
Since it has a total of 3 prime factors.
2 , 5 , 21 , 92 , 737 , 174 , 7270 , 6465 , 54083 , 86622 , 436325 , 47010 , 9765437 , 8629712 , 98149705 , 46055738 , 920815339 , 337809138 , 2085781078 , 610683921
n×2
131979782
n×3
197969673
n×4
263959564
n×5
329949455
n÷2
32994945.5
n÷3
21996630.333333
n÷3
16497472.75
n÷5
13197978.2
n2
4354665714191881
n3
2.8736391582096E+23
n4
1.8963113482358E+31
n5
1.2513737917215E+39
2 √n
8123.4162148692
3 √n
404.10336823327
4 √n
90.129996199208
5 √n
36.634939797997
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-65989890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 65989891 can be divided by 6 positive divisors.
The sum of these divisors (counting 65989891) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
11111011101110110100000011
3
Ternary
11121011122010001
4
Quaternary
3323232310003
5
Quinary
113343134031
6
Senary
10314220431
8
Octal
373566403
10
Decimal
65989891
12
Duodecimal
1a124717
16
Hexadecimal
3eeed03
20
Vigesimal
10c8eeb
36
Base36
13ae4j
md5
21110119581be143a5f36a86aede2497
sha1
6d353ee8be06d2e4eaad5947fc54583e45904caa
sha256
8587d6797285dcd62583c00a5a7d543d438cacb2be1f8c87d3a5b5f8e10c4121
sha512
3ce4ced134cc67575e87bd4b219097ea668e3f2dd3080a9b881458754f1f69be3ee9cd7a1ec514cd174f2d38d8b43c4c35e8225d45dc69832b00834bc0b4fd16
ripemd-160
502e6d374aa4e098c6d36f82ab2ee58afa5f2115
Diameter
131979782
Circumference
414626713.55358
Area
1.3680585816545E+16
Volume
1.2037071557999E+24
Surface area
5.4722343266178E+16
Circumference
414626713.55358
Perimeter
263959564
Area
4354665714191881
Diagonal
93323798.831722
Surface area
26127994285151286
Volume
2.8736391582096E+23
Space diagonal
114297843.99793
Perimeter
197969673
Area
1.8856255667396E+15
Altitude
57148921.998966
Surface area
1.8856255667396E+15
Volume
3.3866162257553E+22
Height
31107932.943907