138694761 (number)

138694761 is an odd 9-digits composite number following 138694760 and preceding 138694762. In scientific notation, it is written as 1.38694761 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 87503328 positive integers (up to 138694761) that are relatively prime to 138694761.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million six hundred ninety-four thousand seven hundred sixty-one

Notation

Scientific notation 1.38694761 × 10^8
Engineering notation 1.38694761 × 10^6

Prime Factorization of 138694761

Prime Factorization 9 × 9 × 23 × 109 × 683

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15410529
Product of the distinct prime numbers

The prime factorization of 138694761 is 9 × 9 × 23 × 109 × 683. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 7, 45, 84, 248, 422, 3008, 2191, 74814, 14624, 479518, 98234, 8019815, 9599501, 62416418, 15783302, 460817968, 345191790, 874599154, 7215091982

Basic calculations (n = 138694761)

Multiplication

n×y
n×2 277389522
n×3 416084283
n×4 554779044
n×5 693473805

Division

n÷y
n÷2 69347380.5
n÷3 46231587
n÷3 34673690.25
n÷5 27738952.2

Exponentiation

ny
n2 19236236728847121
n3 2.6679652556469E+24
n4 3.7003280348825E+32
n5 5.1321611241962E+40

Nth Root

y√n
2√n 11776.873991005
3√n 517.63069162949
4√n 108.52130662227
5√n 42.502258788395

Divisors of 138694761

1, 9, 23, 81, 109, 207, 683, 981, 1863, 2507, 6147, 8829, 15709, 22563, 55323, 74447, 141381, 203067, 670023, 1272429, 1712281, 6030207, 15410529, 138694761

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138694760
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138694761 can be divided by 24 positive divisors. The sum of these divisors (counting 138694761) is 1, the average is 0.041666666666667.

Base conversion 138694761

Base System Value
2 Binary 1000010001000101000001101001
3 Ternary 100122222102110000
4 Quaternary 20101011001221
5 Quinary 241001213021
6 Senary 21432413213
8 Octal 1021050151
10 Decimal 138694761
12 Duodecimal 3a547209
16 Hexadecimal 8445069
20 Vigesimal 236ggi1
36 Base36 2akpk9

Cryptographic Hash Functions

md5 2b64234d14535b0c3f931ccfdf4c1160
sha1 8f1667cf8912fa402e4590bb23fff888a17bc196
sha256 8df3ef55691742d323037c57248efe7851dfe0ab5e4a1ee88d522366dee83bd9
sha512 2018b68e96d9090bcd39ded92c2e68aa99e518a17ca71cc091efcd7c3a9dad21dc91e1e8f5761e75207af071ee37de2d02a95db2c0ede513b3bd339a6e4cad78
ripemd-160 1f85a75ebd954616b964ba9536ae993b1c176d7f

138694761 as geometric shapes

Circle

Radius = n
Diameter 277389522
Circumference 871444884.49798
Area 6.043241999006E+16

Sphere

Radius = n
Volume 1.1175546729564E+25
Surface area 2.4172967996024E+17
Circumference 871444884.49798

Square

Length = n
Perimeter 554779044
Area 19236236728847121
Diagonal 196144012.0363

Cube

Length = n
Surface area 115417420373082726
Volume 2.6679652556469E+24
Space diagonal 240226372.79562

Equilateral Triangle

Length = n
Perimeter 416084283
Area 8.3295348401964E+15
Altitude 120113186.39781

Triangular Pyramid

Length = n
Surface area 8.3295348401964E+15
Volume 3.1442272070633E+23
Height 65381337.345432