138545478 is an even 9-digits composite number following 138545477
and preceding 138545479 . In scientific notation, it is written as 1.38545478 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 42301440 positive integers (up to 138545478) that are relatively prime to 138545478.
138545478 has 32 divisors, whose sum is 226890720
The reverse of 138545478 is 874545831
Previous prime number is 41
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred thirty-eight million five hundred forty-five thousand four hundred seventy-eight
Scientific notation
1.38545478 × 10^8
Engineering notation
1.38545478 × 10^6
Prime Factorization
2 × 243 × 17 × 41 × 409
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
138545478
Product of the distinct prime numbers
The prime factorization of 138545478 is 2 × 243 × 17 × 41 × 409.
Since it has a total of 5 prime factors.
1 , 9 , 62 , 76 , 68 , 724 , 9410 , 322 , 1339 , 72263 , 33605 , 204007 , 1175968 , 1419411 , 37318547 , 60462592 , 799298716 , 893404686 , 2668264889 , 3178167542
n×2
277090956
n×3
415636434
n×4
554181912
n×5
692727390
n÷2
69272739
n÷3
46181826
n÷3
34636369.5
n÷5
27709095.6
n2
19194849474248484
n3
2.6593595955478E+24
n4
3.6844224633906E+32
n5
5.1046007134438E+40
2 √n
11770.534312426
3 √n
517.44490906929
4 √n
108.49209331756
5 √n
42.493105453235
1 , 2 , 17 , 34 , 41 , 82 , 243 , 409 , 486 , 697 , 818 , 1394 , 4131 , 6953 , 8262 , 9963 , 13906 , 16769 , 19926 , 33538 , 99387 , 169371 , 198774 , 285073 , 338742 , 570146 , 1689579 , 3379158 , 4074867 , 8149734 , 69272739 , 138545478
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138545477
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138545478 can be divided by 32 positive divisors.
The sum of these divisors (counting 138545478) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000010000100000100101000110
3
Ternary
100122200211200000
4
Quaternary
20100200211012
5
Quinary
240431423403
6
Senary
21425302130
8
Octal
1020404506
10
Decimal
138545478
12
Duodecimal
3a494946
16
Hexadecimal
8420946
20
Vigesimal
235i3di
36
Base36
2ahidi
md5
6da0c0b45cac4af625bc57ab885ad0f1
sha1
17e048dbc02229a93b2d1da283d8411adccdb67d
sha256
70321a297ac7eed8a3b790de84421c0ba3e7d209c926dbe29dcdc35aac820d4a
sha512
f980d46f557805973385f276ee2ee0ddc3ad54ab72cd137a82f2fbec07a263996c5f95a2ea52ee39a58e50f97bdb5595f8770ad0568cdddc258759de92b532ff
ripemd-160
8e95d25a4f95ca4ff86c3839ea87695631951c0a
Diameter
277090956
Circumference
870506911.74577
Area
6.0302398095061E+16
Volume
1.1139499424835E+25
Surface area
2.4120959238024E+17
Circumference
870506911.74577
Perimeter
554181912
Area
19194849474248484
Diagonal
195932893.99306
Surface area
115169096845490904
Volume
2.6593595955478E+24
Space diagonal
239967807.05492
Perimeter
415636434
Area
8.3116136332588E+15
Altitude
119983903.52746
Surface area
8.3116136332588E+15
Volume
3.1340853393756E+23
Height
65310964.664354