138889671 is an odd 9-digits composite number following 138889670
and preceding 138889672 . In scientific notation, it is written as 1.38889671 × 10^8.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 89400192 positive integers (up to 138889671) that are relatively prime to 138889671.
138889671 has 4 divisors, whose sum is 140486192
The reverse of 138889671 is 176988831
Previous prime number is 87
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred thirty-eight million eight hundred eighty-nine thousand six hundred seventy-one
Scientific notation
1.38889671 × 10^8
Engineering notation
1.38889671 × 10^6
Prime Factorization
87 × 1596433
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138889671
Product of the distinct prime numbers
The prime factorization of 138889671 is 87 × 1596433.
Since it has a total of 2 prime factors.
9 , 4 , 87 , 79 , 50 , 622 , 9716 , 6804 , 36021 , 32305 , 656823 , 459258 , 1077801 , 1765434 , 17714504 , 54958819 , 86775393 , 61006649 , 6386708509 , 4033541900
n×2
277779342
n×3
416669013
n×4
555558684
n×5
694448355
n÷2
69444835.5
n÷3
46296557
n÷3
34722417.75
n÷5
27777934.2
n2
19290340710488241
n3
2.6792290747576E+24
n4
3.7211724472672E+32
n5
5.1683241693521E+40
2 √n
11785.146201893
3 √n
517.87305640425
4 √n
108.55941323484
5 √n
42.514197901888
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
-138889670
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 138889671 can be divided by 4 positive divisors.
The sum of these divisors (counting 138889671) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001110100100111000111
3
Ternary
100200100022210220
4
Quaternary
20101310213013
5
Quinary
241023432141
6
Senary
21440515423
8
Octal
1021644707
10
Decimal
138889671
12
Duodecimal
3a61bb73
16
Hexadecimal
84749c7
20
Vigesimal
238143b
36
Base36
2aovyf
md5
b5a3852f035002af82433470ecf5cf17
sha1
00c51ebc6bfe245c79fdf90698b731e255c5fd69
sha256
84b57e60e595f52211bc656bbe30646cf04f3404f1faf042006db60427c85a6e
sha512
d89b8d2a47b20f69e58c152866efdea61eea499a6996e3c99b37e674798719ea7ec2d4e2d2224ab374f6a91e1d08ceb4c7282efef3fc810781926136f51f6d66
ripemd-160
b9ee30387f61aff53dd2c12670e4ef6abf050027
Diameter
277779342
Circumference
872669540.14621
Area
6.0602392661314E+16
Volume
1.1222728504724E+25
Surface area
2.4240957064526E+17
Circumference
872669540.14621
Perimeter
555558684
Area
19290340710488241
Diagonal
196419656.40174
Surface area
115742044262929446
Volume
2.6792290747576E+24
Space diagonal
240563966.81853
Perimeter
416669013
Area
8.35296255147E+15
Altitude
120281983.40926
Surface area
8.35296255147E+15
Volume
3.1575017451888E+23
Height
65473218.800579