38991665 (number)

38991665 is an odd 8-digits composite number following 38991664 and preceding 38991666. In scientific notation, it is written as 3.8991665 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 31193328 positive integers (up to 38991665) that are relatively prime to 38991665.

Interesting facts

Basic properties

Name

Name thirty-eight million nine hundred ninety-one thousand six hundred sixty-five

Notation

Scientific notation 3.8991665 × 10^7
Engineering notation 3.8991665 × 10^6

Prime Factorization of 38991665

Prime Factorization 5 × 7798333

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 38991665
Product of the distinct prime numbers

The prime factorization of 38991665 is 5 × 7798333. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 38991665)

Multiplication

n×y
n×2 77983330
n×3 116974995
n×4 155966660
n×5 194958325

Division

n÷y
n÷2 19495832.5
n÷3 12997221.666667
n÷3 9747916.25
n÷5 7798333

Exponentiation

ny
n2 1520349939472225
n3 5.9280975522671E+22
n4 2.3114639384532E+30
n5 9.0127827547748E+37

Nth Root

y√n
2√n 6244.3306286583
3√n 339.09698382172
4√n 79.021077116541
5√n 32.975725262021

Divisors of 38991665

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -38991664
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 38991665 can be divided by 4 positive divisors. The sum of these divisors (counting 38991665) is 1, the average is 0.25.

Base conversion 38991665

Base System Value
2 Binary 10010100101111011100110001
3 Ternary 2201100222111202
4 Quaternary 2110233130301
5 Quinary 34440213130
6 Senary 3511420545
8 Octal 224573461
10 Decimal 38991665
12 Duodecimal 11084755
16 Hexadecimal 252f731
20 Vigesimal c3dj35
36 Base36 n7q5t

Cryptographic Hash Functions

md5 e0fe2e93eaffdc707f30a19befc659bc
sha1 0ca6ba6f1c73f64a140dc19f467eda3be8d46943
sha256 e24995fb6b95839564b1ab01d9257dd2aa76f23e27dd9229f6e4892b01540458
sha512 15ce5709b9a6c997dc88f0d9e5107cfae824f72529671be5f45c6ec288025b6f91959a9ff9c0e04451c7d3d8d7573f7cd94e965cd291488d5c8116820bf4e950
ripemd-160 75f0e71ea5f299161175dd8b63203fe2cb8e4f4e

38991665 as geometric shapes

Circle

Radius = n
Diameter 77983330
Circumference 244991856.63047
Area 4.7763202007316E+15

Sphere

Radius = n
Volume 2.4831556959955E+23
Surface area 1.9105280802927E+16
Circumference 244991856.63047

Square

Length = n
Perimeter 155966660
Area 1520349939472225
Diagonal 55142541.462508

Cube

Length = n
Surface area 9122099636833350
Volume 5.9280975522671E+22
Space diagonal 67535544.851705

Equilateral Triangle

Length = n
Perimeter 116974995
Area 6.5833083511254E+14
Altitude 33767772.425853

Triangular Pyramid

Length = n
Surface area 6.5833083511254E+14
Volume 6.9863299645724E+21
Height 18380847.154169