138889172 is an even 9-digits composite number following 138889171
and preceding 138889173 . In scientific notation, it is written as 1.38889172 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 6 positive divisors.
There are 69444584 positive integers (up to 138889172) that are relatively prime to 138889172.
138889172 has 6 divisors, whose sum is 243056058
The reverse of 138889172 is 271988831
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred thirty-eight million eight hundred eighty-nine thousand one hundred seventy-two
Scientific notation
1.38889172 × 10^8
Engineering notation
1.38889172 × 10^6
Prime Factorization
2 × 2 × 34722293
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
69444586
Product of the distinct prime numbers
The prime factorization of 138889172 is 2 × 2 × 34722293.
Since it has a total of 3 prime factors.
3 , 6 , 2 , 57 , 887 , 507 , 5778 , 3291 , 8460 , 71261 , 51750 , 24428 , 3550259 , 3618367 , 90698548 , 32337052 , 387869419 , 322033576 , 649550457 , 3248324343
n×2
277778344
n×3
416667516
n×4
555556688
n×5
694445860
n÷2
69444586
n÷3
46296390.666667
n÷3
34722293
n÷5
27777834.4
n2
19290202098845584
n3
2.6792001972213E+24
n4
3.7211189701431E+32
n5
5.1682313267666E+40
2 √n
11785.125031157
3 √n
517.87243620222
4 √n
108.5593157272
5 √n
42.514167353014
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138889171
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138889172 can be divided by 6 positive divisors.
The sum of these divisors (counting 138889172) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1000010001110100011111010100
3
Ternary
100200100022010102
4
Quaternary
20101310133110
5
Quinary
241023423142
6
Senary
21440513232
8
Octal
1021643724
10
Decimal
138889172
12
Duodecimal
3a61b818
16
Hexadecimal
84747d4
20
Vigesimal
23812ic
36
Base36
2aovkk
md5
ddb0944e9dea99be9cd825d33fd1fb2d
sha1
7c98cdc3c0052a586e668166f21df7c0695b644f
sha256
66f6765a04ea84d9cfce60e7279834a48e4884e6896bfbaa529756cd9671ae7d
sha512
e85526273826d5d44ebf4e9dbd055d149ca6375b97c6b8c9b32f50a6078e36d6c1350dae062bb8bc6f30621a75fbf9de233f4970cf574b91dff02c166bec0416
ripemd-160
ff05003a2757ea39409eae4a12041920548d8c89
Diameter
277778344
Circumference
872666404.83674
Area
6.0601957199996E+16
Volume
1.1222607542782E+25
Surface area
2.4240782879998E+17
Circumference
872666404.83674
Perimeter
555556688
Area
19290202098845584
Diagonal
196418950.70917
Surface area
115741212593073504
Volume
2.6792001972213E+24
Space diagonal
240563102.52517
Perimeter
416667516
Area
8.3529025308681E+15
Altitude
120281551.26259
Surface area
8.3529025308681E+15
Volume
3.1574677126859E+23
Height
65472983.569723