38991681 (number)

38991681 is an odd 8-digits composite number following 38991680 and preceding 38991682. In scientific notation, it is written as 3.8991681 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 6 positive divisors. There are 25994448 positive integers (up to 38991681) that are relatively prime to 38991681.

Interesting facts

Basic properties

Name

Name thirty-eight million nine hundred ninety-one thousand six hundred eighty-one

Notation

Scientific notation 3.8991681 × 10^7
Engineering notation 3.8991681 × 10^6

Prime Factorization of 38991681

Prime Factorization 3 × 3 × 4332409

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12997227
Product of the distinct prime numbers

The prime factorization of 38991681 is 3 × 3 × 4332409. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 38991681)

Multiplication

n×y
n×2 77983362
n×3 116975043
n×4 155966724
n×5 194958405

Division

n÷y
n÷2 19495840.5
n÷3 12997227
n÷3 9747920.25
n÷5 7798336.2

Exponentiation

ny
n2 1520351187205761
n3 5.9281048499498E+22
n4 2.311467732438E+30
n5 9.0128012465015E+37

Nth Root

y√n
2√n 6244.3319098203
3√n 339.09703020386
4√n 79.021085222998
5√n 32.975727968299

Divisors of 38991681

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -38991680
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 38991681 can be divided by 6 positive divisors. The sum of these divisors (counting 38991681) is 1, the average is 0.16666666666667.

Base conversion 38991681

Base System Value
2 Binary 10010100101111011101000001
3 Ternary 2201100222112100
4 Quaternary 2110233131001
5 Quinary 34440213211
6 Senary 3511421013
8 Octal 224573501
10 Decimal 38991681
12 Duodecimal 11084769
16 Hexadecimal 252f741
20 Vigesimal c3dj41
36 Base36 n7q69

Cryptographic Hash Functions

md5 eba4ba9f5051638a854dd2b141edab24
sha1 87591c8c18a36881296e2c590a3021a1b9274d8d
sha256 cd438114cba02203f1fb9e08215da3f04850cab2ae3c3b8465f62ffd74816c91
sha512 6862b93d21b8aa815b5670c7e31e59fafa1dddcca07fec25007f97e719ab947bb4d661efbba787957d148c5bf7aebb963f46cc1569f48a8bb1fd0fdfa893d77e
ripemd-160 1ba28787a78bbfa528ff7112e8d4f5465ca06deb

38991681 as geometric shapes

Circle

Radius = n
Diameter 77983362
Circumference 244991957.16143
Area 4.7763241206021E+15

Sphere

Radius = n
Volume 2.4831587528417E+23
Surface area 1.9105296482409E+16
Circumference 244991957.16143

Square

Length = n
Perimeter 155966724
Area 1520351187205761
Diagonal 55142564.089925

Cube

Length = n
Surface area 9122107123234566
Volume 5.9281048499498E+22
Space diagonal 67535572.564518

Equilateral Triangle

Length = n
Perimeter 116975043
Area 6.5833137539701E+14
Altitude 33767786.282259

Triangular Pyramid

Length = n
Surface area 6.5833137539701E+14
Volume 6.986338564974E+21
Height 18380854.696642