138968905 (number)

138968905 is an odd 9-digits composite number following 138968904 and preceding 138968906. In scientific notation, it is written as 1.38968905 × 10^8. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 108319680 positive integers (up to 138968905) that are relatively prime to 138968905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.38968905 × 10^8
Engineering notation 1.38968905 × 10^6

Prime Factorization of 138968905

Prime Factorization 5 × 43 × 797 × 811

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 138968905
Product of the distinct prime numbers

The prime factorization of 138968905 is 5 × 43 × 797 × 811. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 24, 51, 275, 579, 5797, 9279, 4137, 71490, 162958, 34147, 8085624, 4893441, 34929906, 69507493, 618150800, 613046707, 8193627377, 808282607

Basic calculations (n = 138968905)

Multiplication

n×y
n×2 277937810
n×3 416906715
n×4 555875620
n×5 694844525

Division

n÷y
n÷2 69484452.5
n÷3 46322968.333333
n÷3 34742226.25
n÷5 27793781

Exponentiation

ny
n2 19312356556899025
n3 2.6838170436818E+24
n4 3.729671157808E+32
n5 5.1830831681066E+40

Nth Root

y√n
2√n 11788.507327054
3√n 517.9715166978
4√n 108.5748927103
5√n 42.519047508792

Divisors of 138968905

1, 5, 43, 215, 797, 811, 3985, 4055, 34271, 34873, 171355, 174365, 646367, 3231835, 27793781, 138968905

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 -138968904
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 138968905 can be divided by 16 positive divisors. The sum of these divisors (counting 138968905) is 1, the average is 0.0625.

Base conversion 138968905

Base System Value
2 Binary 1000010010000111111101001001
3 Ternary 100200111100111111
4 Quaternary 20102013331021
5 Quinary 241034001110
6 Senary 21442330321
8 Octal 1022077511
10 Decimal 138968905
12 Duodecimal 3a6599a1
16 Hexadecimal 8487f49
20 Vigesimal 238b255
36 Base36 2aql3d

Cryptographic Hash Functions

md5 31af1d640b5b6967c597d4264ea059b9
sha1 dede824d65bd0750d510e53da0da617f25aea2c0
sha256 88b5113ac17a1a76463fa1065ad3905c105d3fcea0a9d80aef4b5892694bcd9d
sha512 f4bdec8b343a1fbd1ad89dd6ee5a822a8b8ef89addab617cf6515cc3c977a4e2580d3c85813592cec91d29b615dc2e28f1aa12a5cf08eb165787e6406e779280
ripemd-160 be56fbb7c7bab91147571c3ab3bc38f86e4ae45d

138968905 as geometric shapes

Circle

Radius = n
Diameter 277937810
Circumference 873167382.05084
Area 6.0671557482661E+16

Sphere

Radius = n
Volume 1.1241946544013E+25
Surface area 2.4268622993064E+17
Circumference 873167382.05084

Square

Length = n
Perimeter 555875620
Area 19312356556899025
Diagonal 196531710.19914

Cube

Length = n
Surface area 115874139341394150
Volume 2.6838170436818E+24
Space diagonal 240701204.13221

Equilateral Triangle

Length = n
Perimeter 416906715
Area 8.3624956926088E+15
Altitude 120350602.06611

Triangular Pyramid

Length = n
Surface area 8.3624956926088E+15
Volume 3.1629087184191E+23
Height 65510570.066379