138461909 is an odd 9-digits composite number following 138461908
and preceding 138461910 . In scientific notation, it is written as 1.38461909 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 132325776 positive integers (up to 138461909) that are relatively prime to 138461909.
138461909 has 8 divisors, whose sum is 144608640
The reverse of 138461909 is 909164831
Previous prime number is 1669
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred thirty-eight million four hundred sixty-one thousand nine hundred nine
Scientific notation
1.38461909 × 10^8
Engineering notation
1.38461909 × 10^6
Prime Factorization
23 × 1669 × 3607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138461909
Product of the distinct prime numbers
The prime factorization of 138461909 is 23 × 1669 × 3607.
Since it has a total of 3 prime factors.
7 , 3 , 96 , 23 , 868 , 120 , 8424 , 7156 , 64296 , 72179 , 459748 , 566022 , 6794110 , 550817 , 4441129 , 73709275 , 420107992 , 589239920 , 8463792014 , 6398072676
n×2
276923818
n×3
415385727
n×4
553847636
n×5
692309545
n÷2
69230954.5
n÷3
46153969.666667
n÷3
34615477.25
n÷5
27692381.8
n2
19171700243924281
n3
2.6545502145495E+24
n4
3.6755409024289E+32
n5
5.0892240995788E+40
2 √n
11766.983853138
3 √n
517.34084925305
4 √n
108.47572932752
5 √n
42.487977947833
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
-138461908
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 138461909 can be divided by 8 positive divisors.
The sum of these divisors (counting 138461909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010000001100001011010101
3
Ternary
100122112121000212
4
Quaternary
20100030023111
5
Quinary
240421240114
6
Senary
21423415205
8
Octal
1020141325
10
Decimal
138461909
12
Duodecimal
3a454505
16
Hexadecimal
840c2d5
20
Vigesimal
2357ef9
36
Base36
2afpw5
md5
14aaf36e7e2b033c750c8dca640c8dd9
sha1
e771cb7aef6ccc315625c5d668d916edda464935
sha256
554cdfbfcbe88d45b4cc465760fe551f62e0b3de44be29dddfd4aa50709faac9
sha512
5bd3bbfc1d9f304580bfae03b2449e44bfb6df4b57e048686bd5613b83b8eea59e25e32e60409fe8ba484570bc7a4aeb03479a45297c607699195eec3e6f82c3
ripemd-160
ebeae56a0a0c593aed0040230a6ea606d8fa3a95
Diameter
276923818
Circumference
869981832.23284
Area
6.0229672643138E+16
Volume
1.1119353936819E+25
Surface area
2.4091869057255E+17
Circumference
869981832.23284
Perimeter
553847636
Area
19171700243924281
Diagonal
195814709.57987
Surface area
115030201463545686
Volume
2.6545502145495E+24
Space diagonal
239823061.30098
Perimeter
415385727
Area
8.3015897224894E+15
Altitude
119911530.65049
Surface area
8.3015897224894E+15
Volume
3.1284174295136E+23
Height
65271569.859956