64981091 is an odd 8-digits composite number following 64981090
and preceding 64981092 . In scientific notation, it is written as 6.4981091 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 55355400 positive integers (up to 64981091) that are relatively prime to 64981091.
64981091 has 8 divisors, whose sum is 74721024
The reverse of 64981091 is 19018946
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-four million nine hundred eighty-one thousand ninety-one
Scientific notation
6.4981091 × 10^7
Engineering notation
6.4981091 × 10^6
Prime Factorization
7 × 163 × 56951
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64981091
Product of the distinct prime numbers
The prime factorization of 64981091 is 7 × 163 × 56951.
Since it has a total of 3 prime factors.
7 , 8 , 46 , 90 , 19 , 835 , 4300 , 4056 , 8215 , 43689 , 998755 , 901924 , 9058452 , 8669912 , 19948316 , 78163108 , 89172369 , 965285116 , 619708757 , 5717386546
n×2
129962182
n×3
194943273
n×4
259924364
n×5
324905455
n÷2
32490545.5
n÷3
21660363.666667
n÷3
16245272.75
n÷5
12996218.2
n2
4222542187550281
n3
2.7438539814054E+23
n4
1.7829862525642E+31
n5
1.1586039192962E+39
2 √n
8061.0849766021
3 √n
402.0335834092
4 √n
89.783545132736
5 √n
36.522239469305
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
-64981090
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 64981091 can be divided by 8 positive divisors.
The sum of these divisors (counting 64981091) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110111111000100001100011
3
Ternary
11112021101022002
4
Quaternary
3313320201203
5
Quinary
113113343331
6
Senary
10240434215
8
Octal
367704143
10
Decimal
64981091
12
Duodecimal
1991896b
16
Hexadecimal
3df8863
20
Vigesimal
1062ceb
36
Base36
12orqb
md5
d201f17b1dd56b4917d70b0cd2eb5615
sha1
6ef21704116d9ca6ca0a5f50f45b6b50e417f4e9
sha256
4488411ae9e231c722e3819a399de49a905cb6be2bafc4da518f511b9bb46b79
sha512
20e4f3e21788a1d5a3af958c6a41530c57a932a10525d3034982efa17515a9a624fe4909f3cfbbd12a1ad9ff6e9dd53953d4e043309dcd4a51bcab343b65f586
ripemd-160
af7e9b616678688edf7d4043c3582f6d24266851
Diameter
129962182
Circumference
408288236.2157
Area
1.3265507515881E+16
Volume
1.1493428680675E+24
Surface area
5.3062030063524E+16
Circumference
408288236.2157
Perimeter
259924364
Area
4222542187550281
Diagonal
91897140.19
Surface area
25335253125301686
Volume
2.7438539814054E+23
Space diagonal
112550551.14326
Perimeter
194943273
Area
1.828414401485E+15
Altitude
56275275.571628
Surface area
1.828414401485E+15
Volume
3.2336629280625E+22
Height
30632380.063333