Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

138805945 (number)

138805945 is an odd 9-digits composite number following 138805944 and preceding 138805946. In scientific notation, it is written as 1.38805945 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 111044752 positive integers (up to 138805945) that are relatively prime to 138805945.

Interesting facts

138805945 has 4 divisors, whose sum is 166567140
The reverse of 138805945 is 549508831
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7

Name

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

Notation

Scientific notation	1.38805945 × 10^8
Engineering notation	1.38805945 × 10^6

Prime Factorization of 138805945

Prime Factorization 5 × 27761189

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	138805945	Product of the distinct prime numbers

The prime factorization of 138805945 is 5 × 27761189. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 1, 43, 86, 537, 288, 9660, 8474, 47307, 78347, 785696, 811890, 9884492, 215684, 95188259, 7616832, 817992989, 642333318, 3771559368, 9454058171

Basic calculations (n = 138805945)

Multiplication

n×y

n×2	277611890
n×3	416417835
n×4	555223780
n×5	694029725

Division

n÷y

n÷2	69402972.5
n÷3	46268648.333333
n÷3	34701486.25
n÷5	27761189

Exponentiation

n^y

n²	19267090367343025
n³	2.6743866858394E+24
n⁴	3.7122077122336E+32
n⁵	5.1527649953288E+40

Nth Root

^y√n

²√n	11781.593483057
³√n	517.76897341802
⁴√n	108.54304898544
⁵√n	42.509070951368

Divisors of 138805945

1, 5, 27761189, 138805945

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-138805944	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138805945 can be divided by 4 positive divisors. The sum of these divisors (counting 138805945) is 1, the average is 0.25.

Base conversion 138805945

Base	System	Value
2	Binary	1000010001100000001010111001
3	Ternary	100200012001221221
4	Quaternary	20101200022321
5	Quinary	241013242240
6	Senary	21435032041
8	Octal	1021401271
10	Decimal	138805945
12	Duodecimal	3a59b621
16	Hexadecimal	84602b9
20	Vigesimal	237aeh5
36	Base36	2an3cp

Cryptographic Hash Functions

md5	1753d792866c62cf4b1f8d23c657caed
sha1	b0242964ca8201778bc285f51a787ca528aff973
sha256	193bbebe1abceb0b76a2542a3376af4d3054ba13619f593c5660b7b48ed5989e
sha512	c9e8185e935b6f8b3073970df7bc457a143f515e1fd217b04de9f22ea3a7e3e933de705c2ddd5c748067934a5be8d962088ae8598faeb8de22ff8c472c754771
ripemd-160	2092d4c0e50afeffabdf3c7693628bd1373c63a8

138805945 as geometric shapes

Circle

Radius = n

Diameter	277611890
Circumference	872143474.17318
Area	6.0529349554096E+16

Sphere

Radius = n

Volume	1.1202444753455E+25
Surface area	2.4211739821638E+17
Circumference	872143474.17318

Square

Length = n

Perimeter	555223780
Area	19267090367343025
Diagonal	196301249.95701

Cube

Length = n

Surface area	115602542204058150
Volume	2.6743866858394E+24
Space diagonal	240418949.13261

Equilateral Triangle

Length = n

Perimeter	416417835
Area	8.3428948575648E+15
Altitude	120209474.56631

Triangular Pyramid

Length = n

Surface area	8.3428948575648E+15
Volume	3.1517949351201E+23
Height	65433749.985671