638474490 (number)

638474490 is an even 9-digits composite number following 638474489 and preceding 638474491. In scientific notation, it is written as 6.38474490 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 167717088 positive integers (up to 638474490) that are relatively prime to 638474490.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million four hundred seventy-four thousand four hundred ninety

Notation

Scientific notation 6.38474490 × 10^8
Engineering notation 6.38474490 × 10^6

Prime Factorization of 638474490

Prime Factorization 2 × 45 × 67 × 105883

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638474490
Product of the distinct prime numbers

The prime factorization of 638474490 is 2 × 45 × 67 × 105883. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 72, 17, 430, 586, 7946, 5020, 58240, 96345, 544228, 23084, 6168868, 3691186, 47877001, 35049118, 384463085, 173375266, 713803230, 1187881750

Basic calculations (n = 638474490)

Multiplication

n×y
n×2 1276948980
n×3 1915423470
n×4 2553897960
n×5 3192372450

Division

n÷y
n÷2 319237245
n÷3 212824830
n÷3 159618622.5
n÷5 127694898

Exponentiation

ny
n2 407649674380760100
n3 2.6027391794892E+26
n4 1.6617825702274E+35
n5 1.0610057790168E+44

Nth Root

y√n
2√n 25268.052754417
3√n 861.08862050019
4√n 158.95928017708
5√n 57.680459304674

Divisors of 638474490

1, 2, 45, 67, 90, 134, 3015, 6030, 105883, 211766, 4764735, 7094161, 9529470, 14188322, 319237245, 638474490

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 -638474489
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 638474490 can be divided by 16 positive divisors. The sum of these divisors (counting 638474490) is 1, the average is 0.0625.

Base conversion 638474490

Base System Value
2 Binary 100110000011100101100011111010
3 Ternary 1122111101212100100
4 Quaternary 212003211203322
5 Quinary 2301422140430
6 Senary 143204420230
8 Octal 4603454372
10 Decimal 638474490
12 Duodecimal 1599a7676
16 Hexadecimal 260e58fa
20 Vigesimal 9ja964a
36 Base36 ak4q2i

Cryptographic Hash Functions

md5 bfb4bbf0c9058212c3e682eaac4252b1
sha1 6a66eae07396a0818d8ea97c443eb5de19f0bef8
sha256 ef6379c971e2561c6c5c74f829267c01e6c055be52c6e033f97b91f58878ea36
sha512 e1d503de99d7e300fa4e45dad7005f038900a563ef9006e90e19f0ef28034be379542c526413835e45bbe6e7e421a67006c93c74121cd12823800849a47ca20a
ripemd-160 6cadc715e536754191ada56ee8ab12b8d8423b15

638474490 as geometric shapes

Circle

Radius = n
Diameter 1276948980
Circumference 4011653534.577
Area 1.2806692222729E+18

Sphere

Radius = n
Volume 1.0902328380658E+27
Surface area 5.1226768890915E+18
Circumference 4011653534.577

Square

Length = n
Perimeter 2553897960
Area 407649674380760100
Diagonal 902939282.98725

Cube

Length = n
Surface area 2445898046284560600
Volume 2.6027391794892E+26
Space diagonal 1105870256.0166

Equilateral Triangle

Length = n
Perimeter 1915423470
Area 1.765174869291E+17
Altitude 552935128.00831

Triangular Pyramid

Length = n
Surface area 1.765174869291E+17
Volume 3.0673575391279E+25
Height 300979760.99575