138973521 is an odd 9-digits composite number following 138973520
and preceding 138973522 . In scientific notation, it is written as 1.38973521 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 82903040 positive integers (up to 138973521) that are relatively prime to 138973521.
138973521 has 16 divisors, whose sum is 150186960
The reverse of 138973521 is 125379831
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred thirty-eight million nine hundred seventy-three thousand five hundred twenty-one
Scientific notation
1.38973521 × 10^8
Engineering notation
1.38973521 × 10^6
Prime Factorization
69 × 257 × 17 × 461
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138973521
Product of the distinct prime numbers
The prime factorization of 138973521 is 69 × 257 × 17 × 461.
Since it has a total of 4 prime factors.
6 , 8 , 9 , 69 , 345 , 824 , 6988 , 5750 , 74492 , 20749 , 732021 , 447995 , 3458453 , 6895534 , 91879031 , 26173813 , 839995131 , 69792278 , 4565706262 , 9434477172
n×2
277947042
n×3
416920563
n×4
555894084
n×5
694867605
n÷2
69486760.5
n÷3
46324507
n÷3
34743380.25
n÷5
27794704.2
n2
19313639539137441
n3
2.6840844900787E+24
n4
3.7301667224773E+32
n5
5.183944033397E+40
2 √n
11788.703109333
3 √n
517.97725162594
4 √n
108.57579430671
5 √n
42.519329968117
1 , 17 , 69 , 257 , 461 , 1173 , 4369 , 7837 , 17733 , 31809 , 118477 , 301461 , 540753 , 2014109 , 8174913 , 138973521
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138973520
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138973521 can be divided by 16 positive divisors.
The sum of these divisors (counting 138973521) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010010001001000101010001
3
Ternary
100200111120211110
4
Quaternary
20102021011101
5
Quinary
241034123041
6
Senary
21442403533
8
Octal
1022110521
10
Decimal
138973521
12
Duodecimal
3a6605a9
16
Hexadecimal
8489151
20
Vigesimal
238bdg1
36
Base36
2aqonl
md5
476c0810bc167cdbc5d9fd1330d563ba
sha1
ad61d85623ee37dce6a389b28337f2de68ff9fbd
sha256
3f0d32a951c21a8d94222772a74d8ee2ec3fa942d7533d714d2450690526be7f
sha512
5a873465cf395ad919fd7ba979dd9aa3d79d428240e06976e766400bfd7d9231833ff5f14b36d061bb567a9486e53638de248d99a5b72c8580bfe1631b429c74
ripemd-160
7e290eda86d2a77ce1b8810bd69f47d375e2922a
Diameter
277947042
Circumference
873196385.23421
Area
6.0675588090236E+16
Volume
1.1243066820861E+25
Surface area
2.4270235236094E+17
Circumference
873196385.23421
Perimeter
555894084
Area
19313639539137441
Diagonal
196538238.20894
Surface area
115881837234824646
Volume
2.6840844900787E+24
Space diagonal
240709199.27874
Perimeter
416920563
Area
8.3630512402143E+15
Altitude
120354599.63937
Surface area
8.3630512402143E+15
Volume
3.1632239070205E+23
Height
65512746.069647