138962891 is an odd 9-digits composite number following 138962890
and preceding 138962892 . In scientific notation, it is written as 1.38962891 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 136112328 positive integers (up to 138962891) that are relatively prime to 138962891.
138962891 has 8 divisors, whose sum is 141837120
The reverse of 138962891 is 198269831
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred thirty-eight million nine hundred sixty-two thousand eight hundred ninety-one
Scientific notation
1.38962891 × 10^8
Engineering notation
1.38962891 × 10^6
Prime Factorization
179 × 67 × 11587
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138962891
Product of the distinct prime numbers
The prime factorization of 138962891 is 179 × 67 × 11587.
Since it has a total of 3 prime factors.
9 , 10 , 86 , 71 , 532 , 654 , 6943 , 8230 , 25953 , 50636 , 893697 , 76369 , 7541070 , 977634 , 9661754 , 47032867 , 637682704 , 102930673 , 8746806102 , 4284271085
n×2
277925782
n×3
416888673
n×4
555851564
n×5
694814455
n÷2
69481445.5
n÷3
46320963.666667
n÷3
34740722.75
n÷5
27792578.2
n2
19310685075077881
n3
2.6834686252234E+24
n4
3.7290255806884E+32
n5
5.1819617530541E+40
2 √n
11788.25224535
3 √n
517.96404470101
4 √n
108.57371802306
5 √n
42.518679492683
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138962890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138962891 can be divided by 8 positive divisors.
The sum of these divisors (counting 138962891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010010000110011111001011
3
Ternary
100200111001020202
4
Quaternary
20102012133023
5
Quinary
241033303031
6
Senary
21442242415
8
Octal
1022063713
10
Decimal
138962891
12
Duodecimal
3a65640b
16
Hexadecimal
84867cb
20
Vigesimal
238a74b
36
Base36
2aqggb
md5
e0f6b16be2559de813f4b828fe8a75bf
sha1
c60caa53a86036474c6f20df80e6498cac8e8e45
sha256
228487c97a5f66bdfb5f421047395dcc1d7c0fabb28cce4f31c48c5c4ad3088f
sha512
83958f3002d5f1656555af69b3e256e470db52aa944f6d8a8cab05cf8609ec0155ce459d63eb0a212407f341ac0780ebff4a99e1506f75d579dae03e00ce37ad
ripemd-160
6a2525bdb9667093156412ebaa28c179876ae23b
Diameter
277925782
Circumference
873129594.9744
Area
6.0666306367651E+16
Volume
1.1240487092187E+25
Surface area
2.426652254706E+17
Circumference
873129594.9744
Perimeter
555851564
Area
19310685075077881
Diagonal
196523205.11877
Surface area
115864110450467286
Volume
2.6834686252234E+24
Space diagonal
240690787.57866
Perimeter
416888673
Area
8.3617719197492E+15
Altitude
120345393.78933
Surface area
8.3617719197492E+15
Volume
3.162498103328E+23
Height
65507735.039591