138889787 is an odd 9-digits composite number following 138889786
and preceding 138889788 . In scientific notation, it is written as 1.38889787 × 10^8.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 134100456 positive integers (up to 138889787) that are relatively prime to 138889787.
138889787 has 4 divisors, whose sum is 143679120
The reverse of 138889787 is 787988831
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 59
Digital Root 5
Name
one hundred thirty-eight million eight hundred eighty-nine thousand seven hundred eighty-seven
Scientific notation
1.38889787 × 10^8
Engineering notation
1.38889787 × 10^6
Prime Factorization
29 × 4789303
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138889787
Product of the distinct prime numbers
The prime factorization of 138889787 is 29 × 4789303.
Since it has a total of 2 prime factors.
9 , 10 , 49 , 4 , 931 , 391 , 1542 , 3822 , 32218 , 87189 , 759230 , 747557 , 1469522 , 1279237 , 26143433 , 84170492 , 721737539 , 493468008 , 6650917876 , 8886198640
n×2
277779574
n×3
416669361
n×4
555559148
n×5
694448935
n÷2
69444893.5
n÷3
46296595.666667
n÷3
34722446.75
n÷5
27777957.4
n2
19290372932905369
n3
2.6792357878018E+24
n4
3.7211848789057E+32
n5
5.1683457521883E+40
2 √n
11785.151123342
3 √n
517.87320057925
4 √n
108.55943590191
5 √n
42.514205003417
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
-138889786
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 138889787 can be divided by 4 positive divisors.
The sum of these divisors (counting 138889787) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001110100101000111011
3
Ternary
100200100022222012
4
Quaternary
20101310220323
5
Quinary
241023433122
6
Senary
21440520135
8
Octal
1021645073
10
Decimal
138889787
12
Duodecimal
3a62004b
16
Hexadecimal
8474a3b
20
Vigesimal
2381497
36
Base36
2aow1n
md5
8f52624484168a61dddd50212a9ff151
sha1
b6f949dba1021cafb2f8f5f9e1ecfd2474202f24
sha256
ef24e280285befeaa7ea8b727a08e3262ce14e92004b83e57c357d6505924c4e
sha512
cc0e3c56c5c9add0e86a98c65a1385ad56bbc760cf605e0b6ffb74d902dadf8ee064133cb2d3ea7a6e8343fb805383b329c23a83a8a3cf4cd02a018cc62dc82e
ripemd-160
149a186d9c5aab85df32a09c224f2369aaa3a45a
Diameter
277779574
Circumference
872670268.9957
Area
6.0602493891023E+16
Volume
1.1222756624257E+25
Surface area
2.4240997556409E+17
Circumference
872670268.9957
Perimeter
555559148
Area
19290372932905369
Diagonal
196419820.45051
Surface area
115742237597432214
Volume
2.6792357878018E+24
Space diagonal
240564167.73642
Perimeter
416669361
Area
8.3529765041859E+15
Altitude
120282083.86821
Surface area
8.3529765041859E+15
Volume
3.1575096565872E+23
Height
65473273.483503