66460891 is an odd 8-digits composite number following 66460890
and preceding 66460892 . In scientific notation, it is written as 6.6460891 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 56636160 positive integers (up to 66460891) that are relatively prime to 66460891.
66460891 has 8 divisors, whose sum is 76395744
The reverse of 66460891 is 19806466
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-six million four hundred sixty thousand eight hundred ninety-one
Scientific notation
6.6460891 × 10^7
Engineering notation
6.6460891 × 10^6
Prime Factorization
7 × 173 × 54881
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66460891
Product of the distinct prime numbers
The prime factorization of 66460891 is 7 × 173 × 54881.
Since it has a total of 3 prime factors.
2 , 6 , 85 , 75 , 522 , 142 , 8209 , 7802 , 82526 , 61347 , 627872 , 503876 , 3771116 , 5737063 , 57391684 , 357069 , 44129653 , 201784796 , 4288036453 , 1228090905
n×2
132921782
n×3
199382673
n×4
265843564
n×5
332304455
n÷2
33230445.5
n÷3
22153630.333333
n÷3
16615222.75
n÷5
13292178.2
n2
4417050032513881
n3
2.9356108075245E+23
n4
1.9510330989731E+31
n5
1.2966739812824E+39
2 √n
8152.3549358452
3 √n
405.06251333971
4 √n
90.290392267645
5 √n
36.687087190314
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
-66460890
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 66460891 can be divided by 8 positive divisors.
The sum of these divisors (counting 66460891) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111101100001110011011011
3
Ternary
11122001120012111
4
Quaternary
3331201303123
5
Quinary
114003222031
6
Senary
10332253151
8
Octal
375416333
10
Decimal
66460891
12
Duodecimal
1a3111b7
16
Hexadecimal
3f61cdb
20
Vigesimal
10f7c4b
36
Base36
13khjv
md5
c167963156b75a4a5cb8fedf8c0ff7a1
sha1
6f1a204c07f8f9e24d108b429b00408a1435c9c5
sha256
afc06ac9e54310742bf2203be889169ce0a94246e2f8b6994f0a59399be26088
sha512
032bd8f4495d0698857052a9d7feb50b76109167253ccd1eb35eef75a290790bb2d939742a7e0a25a96d5c9e77941f76a9b76b495afcf739a50f5a5c47082afc
ripemd-160
bee320d0cb20ebae801cf3e21e291e55fc9cd1aa
Diameter
132921782
Circumference
417586093.83326
Area
1.3876571932684E+16
Volume
1.2296657795624E+24
Surface area
5.5506287730737E+16
Circumference
417586093.83326
Perimeter
265843564
Area
4417050032513881
Diagonal
93989893.4196
Surface area
26502300195083286
Volume
2.9356108075245E+23
Space diagonal
115113639.9283
Perimeter
199382673
Area
1.912638768972E+15
Altitude
57556819.964149
Surface area
1.912638768972E+15
Volume
3.4596505148752E+22
Height
31329964.4732