387788990 (number)

387788990 is an even 9-digits composite number following 387788989 and preceding 387788991. In scientific notation, it is written as 3.87788990 × 10^8. The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors. There are 155115592 positive integers (up to 387788990) that are relatively prime to 387788990.

Interesting facts

Basic properties

Name

Name three hundred eighty-seven million seven hundred eighty-eight thousand nine hundred ninety

Notation

Scientific notation 3.87788990 × 10^8
Engineering notation 3.87788990 × 10^6

Prime Factorization of 387788990

Prime Factorization 2 × 5 × 38778899

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 387788990
Product of the distinct prime numbers

The prime factorization of 387788990 is 2 × 5 × 38778899. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 45, 90, 632, 16, 4292, 1534, 99416, 54775, 664039, 468179, 8391339, 3403781, 64484215, 91927616, 689215941, 862971073, 7001733843, 8361727722

Basic calculations (n = 387788990)

Multiplication

n×y
n×2 775577980
n×3 1163366970
n×4 1551155960
n×5 1938944950

Division

n÷y
n÷2 193894495
n÷3 129262996.66667
n÷3 96947247.5
n÷5 77557798

Exponentiation

ny
n2 150380300765220100
n3 5.8315824949641E+25
n4 2.2614234858238E+34
n5 8.7695512952989E+42

Nth Root

y√n
2√n 19692.358670307
3√n 729.23105997126
4√n 140.32946472607
5√n 52.205840828189

Divisors of 387788990

1, 2, 5, 10, 38778899, 77557798, 193894495, 387788990

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -387788989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 387788990 can be divided by 8 positive divisors. The sum of these divisors (counting 387788990) is 1, the average is 0.125.

Base conversion 387788990

Base System Value
2 Binary 10111000111010011000010111110
3 Ternary 1000000200201111012
4 Quaternary 113013103002332
5 Quinary 1243233221430
6 Senary 102251355222
8 Octal 2707230276
10 Decimal 387788990
12 Duodecimal a9a52b12
16 Hexadecimal 171d30be
20 Vigesimal 613dc9a
36 Base36 6evnwe

Cryptographic Hash Functions

md5 84e7b1a5e0a0031e537dac899ce3d999
sha1 1f638c5552e6f020fc2bd0c0140de062ee62f8c1
sha256 11d7557fc8e6a1487a01aa7767c64088b5df5f1e88d8182fa5249e1c995849bf
sha512 e4e0b481a481f58bbd1ed7aeb53649f71970d380c09ee9341f230c2bef77645be7ffd638f8f8b0d84531faa7f93298a75491b07ecf91aed4fa5f01b6482458f7
ripemd-160 4f59fb01a464a2a46ff78b67918a0c6b2e7f1349

387788990 as geometric shapes

Circle

Radius = n
Diameter 775577980
Circumference 2436550084.254
Area 4.7243364812864E+17

Sphere

Radius = n
Volume 2.4427275633309E+26
Surface area 1.8897345925146E+18
Circumference 2436550084.254

Square

Length = n
Perimeter 1551155960
Area 150380300765220100
Diagonal 548416448.99696

Cube

Length = n
Surface area 902281804591320600
Volume 5.8315824949641E+25
Space diagonal 671670233.29582

Equilateral Triangle

Length = n
Perimeter 1163366970
Area 6.5116580345713E+16
Altitude 335835116.64791

Triangular Pyramid

Length = n
Surface area 6.5116580345713E+16
Volume 6.8725858787298E+24
Height 182805482.99899