138640668 is an even 9-digits composite number following 138640667
and preceding 138640669 . In scientific notation, it is written as 1.38640668 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 46186224 positive integers (up to 138640668) that are relatively prime to 138640668.
138640668 has 24 divisors, whose sum is 323686272
The reverse of 138640668 is 866046831
Previous prime number is 3767
Is Prime? no Number parity even Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred thirty-eight million six hundred forty thousand six hundred sixty-eight
Scientific notation
1.38640668 × 10^8
Engineering notation
1.38640668 × 10^6
Prime Factorization
2 × 2 × 3 × 3767 × 3067
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
69320334 Product of the distinct prime numbers
The prime factorization of 138640668 is 2 × 2 × 3 × 3767 × 3067.
Since it has a total of 5 prime factors.
7 , 10 , 72 , 92 , 629 , 479 , 8176 , 2070 , 68358 , 59414 , 846145 , 917780 , 6864331 , 7937087 , 31665431 , 76771639 , 652428219 , 155464602 , 9917369194 , 9049367926
n×2
277281336
n×3
415922004
n×4
554562672
n×5
693203340
n÷2
69320334
n÷3
46213556
n÷3
34660167
n÷5
27728133.6
n2
19221234823486224
n3
2.664844835713E+24
n4
3.694558681396E+32
n5
5.1221608355394E+40
2 √n11774.577189861
3 √n517.5633883472
4 √n108.51072384728
5 √n42.498942969656
1 , 2 , 3 , 4 , 6 , 12 , 3067 , 3767 , 6134 , 7534 , 9201 , 11301 , 12268 , 15068 , 18402 , 22602 , 36804 , 45204 , 11553389 , 23106778 , 34660167 , 46213556 , 69320334 , 138640668
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-138640667 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138640668 can be divided by 24 positive divisors.
The sum of these divisors (counting 138640668) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000010000110111110100011100
3
Ternary
100122212200020120
4
Quaternary
20100313310130
5
Quinary
240443000133
6
Senary
21431314540
8
Octal
1020676434
10
Decimal
138640668
12
Duodecimal
3a51ba50
16
Hexadecimal
8437d1c
20
Vigesimal
236a1d8
36
Base36
2ajjto
md5
e30b599f1c1b58239657d22ac33380cd
sha1
ef72cef9e41c6b69c2201e6b249948246fd9c8be
sha256
56010000057768fdb621ed735a974c773ca45f8cd3e9ffa2c38c918e2bdbc32a
sha512
e91b4d2a75739fced4fd114d17028d7d6f398cc909b85882bd2b99c634aa6e94da26056b57b43f92416165b91ec1406aa8b0038eb731f6cc49c199b14cb1ed6c
ripemd-160
586db04cbc76b34ba2dc875a75f083bfe94e30f2
Diameter
277281336
Circumference
871105008.15516
Area
6.0385290114389E+16
Volume
1.116247594511E+25
Surface area
2.4154116045755E+17
Circumference
871105008.15516
Perimeter
554562672
Area
19221234823486224
Diagonal
196067512.98207
Surface area
115327408940917344
Volume
2.664844835713E+24
Space diagonal
240132680.97129
Perimeter
415922004
Area
8.3230388246226E+15
Altitude
120066340.48564
Surface area
8.3230388246226E+15
Volume
3.1405497569043E+23
Height
65355837.660689