138994985 (number)

138994985 is an odd 9-digits composite number following 138994984 and preceding 138994986. In scientific notation, it is written as 1.38994985 × 10^8. The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors. There are 110023680 positive integers (up to 138994985) that are relatively prime to 138994985.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million nine hundred ninety-four thousand nine hundred eighty-five

Notation

Scientific notation 1.38994985 × 10^8
Engineering notation 1.38994985 × 10^6

Prime Factorization of 138994985

Prime Factorization 5 × 233 × 521 × 229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 138994985
Product of the distinct prime numbers

The prime factorization of 138994985 is 5 × 233 × 521 × 229. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138994985)

Multiplication

n×y
n×2 277989970
n×3 416984955
n×4 555979940
n×5 694974925

Division

n÷y
n÷2 69497492.5
n÷3 46331661.666667
n÷3 34748746.25
n÷5 27798997

Exponentiation

ny
n2 19319605855150225
n3 2.6853283260425E+24
n4 3.7324717039835E+32
n5 5.1879484850812E+40

Nth Root

y√n
2√n 11789.613437259
3√n 518.00391687681
4√n 108.57998635687
5√n 42.52064328092

Divisors of 138994985

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 -138994984
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 138994985 can be divided by 16 positive divisors. The sum of these divisors (counting 138994985) is 1, the average is 0.0625.

Base conversion 138994985

Base System Value
2 Binary 1000010010001110010100101001
3 Ternary 100200112200021102
4 Quaternary 20102032110221
5 Quinary 241040314420
6 Senary 21443051145
8 Octal 1022162451
10 Decimal 138994985
12 Duodecimal 3a670ab5
16 Hexadecimal 848e529
20 Vigesimal 238e795
36 Base36 2ar57t

Cryptographic Hash Functions

md5 58ca5a651d86bb407d0e8cebaf7ef48e
sha1 ecf20a09cbf86341f63dba6b87c354ab9701900f
sha256 0cfeee8a7d885c7cee25b089df4a17296c359f94b80533023d1d6d4be6331a71
sha512 d04500a19b19e5deda752bd4a8c36a700c527f8a76e3382ef2c5e55c582478f64d6280ce863d5fa485b6eb2101f10da81a636dc5b0c15217a146479ad4c0992d
ripemd-160 d47eabd64ebf24e056bf237f4ae6e215d1d94f25

138994985 as geometric shapes

Circle

Radius = n
Diameter 277989970
Circumference 873331247.52365
Area 6.069433182479E+16

Sphere

Radius = n
Volume 1.1248276988762E+25
Surface area 2.4277732729916E+17
Circumference 873331247.52365

Square

Length = n
Perimeter 555979940
Area 19319605855150225
Diagonal 196568592.88884

Cube

Length = n
Surface area 115917635130901350
Volume 2.6853283260425E+24
Space diagonal 240746376.01727

Equilateral Triangle

Length = n
Perimeter 416984955
Area 8.3656347308313E+15
Altitude 120373188.00864

Triangular Pyramid

Length = n
Surface area 8.3656347308313E+15
Volume 3.1646897817616E+23
Height 65522864.296282