138920005 is an odd 9-digits composite number following 138920004
and preceding 138920006 . In scientific notation, it is written as 1.38920005 × 10^8.
The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors.
There are 84639744 positive integers (up to 138920005) that are relatively prime to 138920005.
138920005 has 32 divisors, whose sum is 181367424
The reverse of 138920005 is 500029831
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred thirty-eight million nine hundred twenty thousand five
Scientific notation
1.38920005 × 10^8
Engineering notation
1.38920005 × 10^6
Prime Factorization
203 × 17 × 5 × 97 × 83
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
138920005
Product of the distinct prime numbers
The prime factorization of 138920005 is 203 × 17 × 5 × 97 × 83.
Since it has a total of 5 prime factors.
4 , 1 , 72 , 32 , 389 , 200 , 5510 , 6778 , 57713 , 97099 , 9050 , 620841 , 5538039 , 2809213 , 85738256 , 11712221 , 660520082 , 193008003 , 3278499459 , 6927580435
n×2
277840010
n×3
416760015
n×4
555680020
n×5
694600025
n÷2
69460002.5
n÷3
46306668.333333
n÷3
34730001.25
n÷5
27784001
n2
19298767789200025
n3
2.6809849177695E+24
n4
3.7244243818146E+32
n5
5.1739705374381E+40
2 √n
11786.433090634
3 √n
517.91075543464
4 √n
108.56534019029
5 √n
42.516054790195
1 , 5 , 17 , 83 , 85 , 97 , 203 , 415 , 485 , 1015 , 1411 , 1649 , 3451 , 7055 , 8051 , 8245 , 16849 , 17255 , 19691 , 40255 , 84245 , 98455 , 136867 , 286433 , 334747 , 684335 , 1432165 , 1634353 , 1673735 , 8171765 , 27784001 , 138920005
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
-138920004
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 138920005 can be divided by 32 positive divisors.
The sum of these divisors (counting 138920005) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000010001111100000001000101
3
Ternary
100200101212102101
4
Quaternary
20101330001011
5
Quinary
241030420010
6
Senary
21441312101
8
Octal
1021740105
10
Decimal
138920005
12
Duodecimal
3a635631
16
Hexadecimal
847c045
20
Vigesimal
2385005
36
Base36
2apjd1
md5
35153215f11390a13950af4a1f6d8a97
sha1
07130b9954fa23880374a501a63337f96f8aec0a
sha256
82b89f31c63c32f19a7178a813c77f8f43b2974951b3f8df66eacf10ddc74af1
sha512
1b580fe9ac4ca6d667c92c5f0fbb43ab8cdc83d3a328b3984f8b9fc7b5e80b0bcfb7f3e6e4d830dfea92513367967842ab85b9b30a949c6e92f6170ddc6722d2
ripemd-160
cc29d37a9429a06c22c890e0bc6330db3606432f
Diameter
277840010
Circumference
872860134.28931
Area
6.0628867109886E+16
Volume
1.1230083362733E+25
Surface area
2.4251546843954E+17
Circumference
872860134.28931
Perimeter
555680020
Area
19298767789200025
Diagonal
196462555.15594
Surface area
115792606735200150
Volume
2.6809849177695E+24
Space diagonal
240616506.84772
Perimeter
416760015
Area
8.356611583592E+15
Altitude
120308253.42386
Surface area
8.356611583592E+15
Volume
3.1595710260228E+23
Height
65487518.385313