138791881 is an odd 9-digits composite number following 138791880
and preceding 138791882 . In scientific notation, it is written as 1.38791881 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 138690000 positive integers (up to 138791881) that are relatively prime to 138791881.
138791881 has 4 divisors, whose sum is 138893764
The reverse of 138791881 is 188197831
Previous prime number is 1381
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred thirty-eight million seven hundred ninety-one thousand eight hundred eighty-one
Scientific notation
1.38791881 × 10^8
Engineering notation
1.38791881 × 10^6
Prime Factorization
1381 × 100501
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138791881
Product of the distinct prime numbers
The prime factorization of 138791881 is 1381 × 100501.
Since it has a total of 2 prime factors.
1 , 1 , 96 , 86 , 173 , 213 , 3608 , 3885 , 69786 , 92488 , 398378 , 268519 , 2393316 , 5548621 , 40377718 , 82292813 , 945420148 , 138466729 , 2154962397 , 5759236272
n×2
277583762
n×3
416375643
n×4
555167524
n×5
693959405
n÷2
69395940.5
n÷3
46263960.333333
n÷3
34697970.25
n÷5
27758376.2
n2
19263186231518161
n3
2.6735738511257E+24
n4
3.7107034379015E+32
n5
5.1501550997952E+40
2 √n
11780.996604702
3 √n
517.75148581739
4 √n
108.54029945003
5 √n
42.508209501514
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
-138791880
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 138791881 can be divided by 4 positive divisors.
The sum of these divisors (counting 138791881) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001011100101111001001
3
Ternary
100200011100200001
4
Quaternary
20101130233021
5
Quinary
241012320011
6
Senary
21434443001
8
Octal
1021345711
10
Decimal
138791881
12
Duodecimal
3a593461
16
Hexadecimal
845cbc9
20
Vigesimal
2378je1
36
Base36
2amsi1
md5
47186761450be37b807a727ac10359e7
sha1
d9c6662629180fc3ac79310e6aa99cb3b97bcea8
sha256
7198cb0ce9e7b2daa9ccdc408bb8901dac31e8bfb11abd53c52f1e5a48534ad5
sha512
fa96fb367b003b7a1135ba24cc7c0f0723c38dd3259abb031bd3c710c129bee4fe37f5017055019c33a08f9ef921d01dbaac4bfedec78a0e9da09ad98e460916
ripemd-160
3d37d12f9823a322fc8daed681a19d500aa5d05a
Diameter
277583762
Circumference
872055107.45502
Area
6.051708434967E+16
Volume
1.1199039959368E+25
Surface area
2.4206833739868E+17
Circumference
872055107.45502
Perimeter
555167524
Area
19263186231518161
Diagonal
196281360.45747
Surface area
115579117389108966
Volume
2.6735738511257E+24
Space diagonal
240394589.57005
Perimeter
416375643
Area
8.3412043171627E+15
Altitude
120197294.78503
Surface area
8.3412043171627E+15
Volume
3.1508370002234E+23
Height
65427120.152491