138721605 (number)

138721605 is an odd 9-digits composite number following 138721604 and preceding 138721606. In scientific notation, it is written as 1.38721605 × 10^8. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 67065600 positive integers (up to 138721605) that are relatively prime to 138721605.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million seven hundred twenty-one thousand six hundred five

Notation

Scientific notation 1.38721605 × 10^8
Engineering notation 1.38721605 × 10^6

Prime Factorization of 138721605

Prime Factorization 3 × 9985 × 11 × 421

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 138721605
Product of the distinct prime numbers

The prime factorization of 138721605 is 3 × 9985 × 11 × 421. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 54, 30, 909, 323, 9325, 3604, 21754, 284, 656420, 218729, 5817930, 6143748, 14736464, 13272979, 796765202, 494279788, 9228456110, 578315850

Basic calculations (n = 138721605)

Multiplication

n×y
n×2 277443210
n×3 416164815
n×4 554886420
n×5 693608025

Division

n÷y
n÷2 69360802.5
n÷3 46240535
n÷3 34680401.25
n÷5 27744321

Exponentiation

ny
n2 19243683693776025
n3 2.6695146881129E+24
n4 3.703193621061E+32
n5 5.1371296273935E+40

Nth Root

y√n
2√n 11778.013627093
3√n 517.66408482045
4√n 108.52655724335
5√n 42.503903900737

Divisors of 138721605

1, 3, 11, 33, 421, 1263, 4631, 9985, 13893, 29955, 109835, 329505, 4203685, 12611055, 46240535, 138721605

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 -138721604
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 138721605 can be divided by 16 positive divisors. The sum of these divisors (counting 138721605) is 1, the average is 0.0625.

Base conversion 138721605

Base System Value
2 Binary 1000010001001011100101000101
3 Ternary 100200000210021020
4 Quaternary 20101023211011
5 Quinary 241003042410
6 Senary 21433141353
8 Octal 1021134505
10 Decimal 138721605
12 Duodecimal 3a55a859
16 Hexadecimal 844b945
20 Vigesimal 2370405
36 Base36 2ala9x

Cryptographic Hash Functions

md5 8da85c8a2ad88ac6a62506a9e0942adc
sha1 a64ff195da1695efa5fedff1e3c7eb3fee9ec729
sha256 d629d6bb1735d4a53cd64ba3b3a3da7520ac2785f1beaad1e24b4040486cea77
sha512 57d0a6b2ceaabbd1fc613026739b4d57c53bed712bc8f0af46e8d2ed5771f6788791e169d62ea5e7dbb86c7bcd129e737b28456a1802329e563e991c4460d3fd
ripemd-160 4ad95c84cc06599604c5a6300973a81dbcee2873

138721605 as geometric shapes

Circle

Radius = n
Diameter 277443210
Circumference 871613550.32437
Area 6.0455815320372E+16

Sphere

Radius = n
Volume 1.1182036977101E+25
Surface area 2.4182326128149E+17
Circumference 871613550.32437

Square

Length = n
Perimeter 554886420
Area 19243683693776025
Diagonal 196181975.18516

Cube

Length = n
Surface area 115462102162656150
Volume 2.6695146881129E+24
Space diagonal 240272867.9675

Equilateral Triangle

Length = n
Perimeter 416164815
Area 8.3327594706012E+15
Altitude 120136433.98375

Triangular Pyramid

Length = n
Surface area 8.3327594706012E+15
Volume 3.1460532307363E+23
Height 65393991.728388