18887948 (number)

18887948 is an even 8-digits composite number following 18887947 and preceding 18887949. In scientific notation, it is written as 1.8887948 × 10^7. The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors. There are 9369360 positive integers (up to 18887948) that are relatively prime to 18887948.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred eighty-seven thousand nine hundred forty-eight

Notation

Scientific notation 1.8887948 × 10^7
Engineering notation 1.8887948 × 10^6

Prime Factorization of 18887948

Prime Factorization 2 × 2 × 127 × 37181

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9443974
Product of the distinct prime numbers

The prime factorization of 18887948 is 2 × 2 × 127 × 37181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 24, 17, 689, 916, 6085, 5538, 11076, 32228, 720405, 224119, 6085528, 3441530, 12138770, 59772007, 946041966, 897895174, 8241445813, 6373234613

Basic calculations (n = 18887948)

Multiplication

n×y
n×2 37775896
n×3 56663844
n×4 75551792
n×5 94439740

Division

n÷y
n÷2 9443974
n÷3 6295982.6666667
n÷3 4721987
n÷5 3777589.6

Exponentiation

ny
n2 356754579650704
n3 6.7383619492044E+21
n4 1.2727383010175E+29
n5 2.4039414847227E+36

Nth Root

y√n
2√n 4346.0266911283
3√n 266.3145693354
4√n 65.924401333105
5√n 28.525742378104

Divisors of 18887948

1, 2, 4, 127, 254, 508, 37181, 74362, 148724, 4721987, 9443974, 18887948

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18887947
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18887948 can be divided by 12 positive divisors. The sum of these divisors (counting 18887948) is 1, the average is 0.083333333333333.

Base conversion 18887948

Base System Value
2 Binary 1001000000011010100001100
3 Ternary 1022112121101122
4 Quaternary 1020003110030
5 Quinary 14313403243
6 Senary 1512500112
8 Octal 110032414
10 Decimal 18887948
12 Duodecimal 63aa638
16 Hexadecimal 120350c
20 Vigesimal 5i0jh8
36 Base36 b8u18

Cryptographic Hash Functions

md5 1748cb95e1be9b970bf1d9aa7b2dab0a
sha1 21dbe6994e756e370ac5260b985366be92253122
sha256 2c47d47b8efaddd251e9dd29022e9aa0062aaf6a3b41c1d89612e688de47afa9
sha512 2c3f49d979e6ecd4182582a12602c04417923a47a19031e04d418146df0b3dd9bb8445560aaf5e237eccf87e94f86878b035a26a37ee1cfb30f87f1ef2ccca7e
ripemd-160 14d9e2db9df598defcb5fc632905cf06d8c95fe9

18887948 as geometric shapes

Circle

Radius = n
Diameter 37775896
Circumference 118676477.35637
Area 1.1207775665652E+15

Sphere

Radius = n
Volume 2.8225584529133E+22
Surface area 4.4831102662607E+15
Circumference 118676477.35637

Square

Length = n
Perimeter 75551792
Area 356754579650704
Diagonal 26711592.226998

Cube

Length = n
Surface area 2140527477904224
Volume 6.7383619492044E+21
Space diagonal 32714885.586719

Equilateral Triangle

Length = n
Perimeter 56663844
Area 1.5447926444697E+14
Altitude 16357442.793359

Triangular Pyramid

Length = n
Surface area 1.5447926444697E+14
Volume 7.941235713953E+20
Height 8903864.0756659