67664981 is an odd 8-digits composite number following 67664980
and preceding 67664982 . In scientific notation, it is written as 6.7664981 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 63087808 positive integers (up to 67664981) that are relatively prime to 67664981.
67664981 has 4 divisors, whose sum is 67704000
The reverse of 67664981 is 18946676
Previous prime number is 1819
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-seven million six hundred sixty-four thousand nine hundred eighty-one
Scientific notation
6.7664981 × 10^7
Engineering notation
6.7664981 × 10^6
Prime Factorization
1819 × 37199
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
67664981
Product of the distinct prime numbers
The prime factorization of 67664981 is 1819 × 37199.
Since it has a total of 2 prime factors.
4 , 2 , 75 , 6 , 991 , 315 , 7935 , 217 , 31404 , 9204 , 949132 , 91162 , 1264048 , 4306376 , 54736515 , 51874703 , 657714832 , 430229148 , 3026573086 , 4616257042
n×2
135329962
n×3
202994943
n×4
270659924
n×5
338324905
n÷2
33832490.5
n÷3
22554993.666667
n÷3
16916245.25
n÷5
13532996.2
n2
4578549653730361
n3
3.0980747532722E+23
n4
2.0963116931674E+31
n5
1.4184689088825E+39
2 √n
8225.8726588733
3 √n
407.49409654338
4 √n
90.696596732586
5 √n
36.819068154095
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-67664980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 67664981 can be divided by 4 positive divisors.
The sum of these divisors (counting 67664981) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000010000111110001010101
3
Ternary
11201022201220102
4
Quaternary
10002013301111
5
Quinary
114310234411
6
Senary
10414143445
8
Octal
402076125
10
Decimal
67664981
12
Duodecimal
1a7b1b85
16
Hexadecimal
4087c55
20
Vigesimal
112i291
36
Base36
14aamt
md5
efdf5fc97db4cf2098875fd12e20f7ff
sha1
c9e3edfac7f404c3f97fb6ba01935a57eddf2013
sha256
f8a845deda7fdc6f060a8d63fb197a55b3f3a3286ab92f6e9dcdbcc205939a6a
sha512
f21b5847894fc5dc7ef494f2c1ecef0883d64273021a626c9ce6f6da5ed084063103259e6143f5c5e17ed8fdde70ec73df0610444b2e71bc1dd61293b2e42f7d
ripemd-160
aea72bb234f077a5b2abb84d4e99fef97c4c6287
Diameter
135329962
Circumference
425151614.42979
Area
1.4383937956255E+16
Volume
1.2977185180203E+24
Surface area
5.7535751825022E+16
Circumference
425151614.42979
Perimeter
270659924
Area
4578549653730361
Diagonal
95692733.827918
Surface area
27471297922382166
Volume
3.0980747532722E+23
Space diagonal
117199184.98518
Perimeter
202994943
Area
1.9825701563095E+15
Altitude
58599592.492591
Surface area
1.9825701563095E+15
Volume
3.6511161111027E+22
Height
31897577.942639