138984987 (number)

138984987 is an odd 9-digits composite number following 138984986 and preceding 138984988. In scientific notation, it is written as 1.38984987 × 10^8. The sum of its digits is 57. It has a total of 5 prime factors and 24 positive divisors. There are 87943968 positive integers (up to 138984987) that are relatively prime to 138984987.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million nine hundred eighty-four thousand nine hundred eighty-seven

Notation

Scientific notation 1.38984987 × 10^8
Engineering notation 1.38984987 × 10^6

Prime Factorization of 138984987

Prime Factorization 37 × 3 × 43 × 37 × 787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3756351
Product of the distinct prime numbers

The prime factorization of 138984987 is 37 × 3 × 43 × 37 × 787. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 5, 35, 25, 753, 395, 5274, 5249, 57692, 16854, 921355, 782291, 2300197, 4727362, 60376175, 92018153, 331389031, 870420086, 4899277965, 2832964543

Basic calculations (n = 138984987)

Multiplication

n×y
n×2 277969974
n×3 416954961
n×4 555939948
n×5 694924935

Division

n÷y
n÷2 69492493.5
n÷3 46328329
n÷3 34746246.75
n÷5 27796997.4

Exponentiation

ny
n2 19316826611390169
n3 2.6847488954653E+24
n4 3.7313979033451E+32
n5 5.1860828908825E+40

Nth Root

y√n
2√n 11789.189412339
3√n 517.99149645905
4√n 108.57803374688
5√n 42.520031555794

Divisors of 138984987

1, 3, 37, 43, 111, 129, 787, 1369, 1591, 2361, 4107, 4773, 29119, 33841, 58867, 87357, 101523, 176601, 1077403, 1252117, 3232209, 3756351, 46328329, 138984987

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138984986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138984987 can be divided by 24 positive divisors. The sum of these divisors (counting 138984987) is 1, the average is 0.041666666666667.

Base conversion 138984987

Base System Value
2 Binary 1000010010001011111000011011
3 Ternary 100200112011120010
4 Quaternary 20102023320123
5 Quinary 241040004422
6 Senary 21442533003
8 Octal 1022137033
10 Decimal 138984987
12 Duodecimal 3a667163
16 Hexadecimal 848be1b
20 Vigesimal 238d297
36 Base36 2aqxi3

Cryptographic Hash Functions

md5 041c6561eba6678467cb822f2fea5222
sha1 7c5de5c96a1ddea6c8264c8217e987c9a57b5799
sha256 48bace188d9d5be79a0947b215fc120a25808db58a2f563be25b9ff8958e8450
sha512 5aaceaeb41f99c326e45ece2f647fbb71f13beda98cb0e26c50d52ff459d888c2de6ff45a5be986a3cc449f5a8cf1f4747d76a093a8641d2bdff950997fdc302
ripemd-160 fb651b9be5d5d44161eca2b711907847116d8a20

138984987 as geometric shapes

Circle

Radius = n
Diameter 277969974
Circumference 873268428.23695
Area 6.0685600573011E+16

Sphere

Radius = n
Volume 1.1245849875636E+25
Surface area 2.4274240229204E+17
Circumference 873268428.23695

Square

Length = n
Perimeter 555939948
Area 19316826611390169
Diagonal 196554453.58165

Cube

Length = n
Surface area 115900959668341014
Volume 2.6847488954653E+24
Space diagonal 240729058.9733

Equilateral Triangle

Length = n
Perimeter 416954961
Area 8.3644312829816E+15
Altitude 120364529.48665

Triangular Pyramid

Length = n
Surface area 8.3644312829816E+15
Volume 3.1640069162777E+23
Height 65518151.193883