138461909 (number)

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.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million four hundred sixty-one thousand nine hundred nine

Notation

Scientific notation 1.38461909 × 10^8
Engineering notation 1.38461909 × 10^6

Prime Factorization of 138461909

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.

Most popular turbo-numbers

Basic calculations (n = 138461909)

Multiplication

n×y
n×2 276923818
n×3 415385727
n×4 553847636
n×5 692309545

Division

n÷y
n÷2 69230954.5
n÷3 46153969.666667
n÷3 34615477.25
n÷5 27692381.8

Exponentiation

ny
n2 19171700243924281
n3 2.6545502145495E+24
n4 3.6755409024289E+32
n5 5.0892240995788E+40

Nth Root

y√n
2√n 11766.983853138
3√n 517.34084925305
4√n 108.47572932752
5√n 42.487977947833

Divisors of 138461909

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 conversion 138461909

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

Cryptographic Hash Functions

md5 14aaf36e7e2b033c750c8dca640c8dd9
sha1 e771cb7aef6ccc315625c5d668d916edda464935
sha256 554cdfbfcbe88d45b4cc465760fe551f62e0b3de44be29dddfd4aa50709faac9
sha512 5bd3bbfc1d9f304580bfae03b2449e44bfb6df4b57e048686bd5613b83b8eea59e25e32e60409fe8ba484570bc7a4aeb03479a45297c607699195eec3e6f82c3
ripemd-160 ebeae56a0a0c593aed0040230a6ea606d8fa3a95

138461909 as geometric shapes

Circle

Radius = n
Diameter 276923818
Circumference 869981832.23284
Area 6.0229672643138E+16

Sphere

Radius = n
Volume 1.1119353936819E+25
Surface area 2.4091869057255E+17
Circumference 869981832.23284

Square

Length = n
Perimeter 553847636
Area 19171700243924281
Diagonal 195814709.57987

Cube

Length = n
Surface area 115030201463545686
Volume 2.6545502145495E+24
Space diagonal 239823061.30098

Equilateral Triangle

Length = n
Perimeter 415385727
Area 8.3015897224894E+15
Altitude 119911530.65049

Triangular Pyramid

Length = n
Surface area 8.3015897224894E+15
Volume 3.1284174295136E+23
Height 65271569.859956