164021681 (number)

164021681 is an odd 9-digits composite number following 164021680 and preceding 164021682. In scientific notation, it is written as 1.64021681 × 10^8. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 160531812 positive integers (up to 164021681) that are relatively prime to 164021681.

Interesting facts

Basic properties

Name

Name one hundred sixty-four million twenty-one thousand six hundred eighty-one

Notation

Scientific notation 1.64021681 × 10^8
Engineering notation 1.64021681 × 10^6

Prime Factorization of 164021681

Prime Factorization 47 × 3489823

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 164021681
Product of the distinct prime numbers

The prime factorization of 164021681 is 47 × 3489823. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 164021681)

Multiplication

n×y
n×2 328043362
n×3 492065043
n×4 656086724
n×5 820108405

Division

n÷y
n÷2 82010840.5
n÷3 54673893.666667
n÷3 41005420.25
n÷5 32804336.2

Exponentiation

ny
n2 26903111838065761
n3 4.4126936278105E+24
n4 7.2377742657147E+32
n5 1.1871519017611E+41

Nth Root

y√n
2√n 12807.094947723
3√n 547.39448742701
4√n 113.16843618131
5√n 43.952162899649

Divisors of 164021681

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 -164021680
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 164021681 can be divided by 4 positive divisors. The sum of these divisors (counting 164021681) is 1, the average is 0.25.

Base conversion 164021681

Base System Value
2 Binary 1001110001101100010110110001
3 Ternary 102102122011110002
4 Quaternary 21301230112301
5 Quinary 313442143211
6 Senary 24135315345
8 Octal 1161542661
10 Decimal 164021681
12 Duodecimal 46b1bb55
16 Hexadecimal 9c6c5b1
20 Vigesimal 2b52e41
36 Base36 2pnjxt

Cryptographic Hash Functions

md5 fc4c390be0867c056423fca80433e3c5
sha1 9a555e7fe7c61f4b8a70fdfafa4911fc6e25439f
sha256 1371b3cf957cbb0d194c1f52374c36c6f073a9a51e9b1d092d379883ffa1ce5c
sha512 24d0513d9959521c7ba6cc5942811af3843fbe2b72cd9d7de24ec34342e67700cf0ac9ac050ceb2115843c1c27ee893544903bcb31427070dcfded141747ec43
ripemd-160 b6aae459cec5e7018afc3d455278462604a939b5

164021681 as geometric shapes

Circle

Radius = n
Diameter 328043362
Circumference 1030578616.1181
Area 8.4518618509172E+16

Sphere

Radius = n
Volume 1.8483847844896E+25
Surface area 3.3807447403669E+17
Circumference 1030578616.1181

Square

Length = n
Perimeter 656086724
Area 26903111838065761
Diagonal 231961685.79343

Cube

Length = n
Surface area 161418671028394566
Volume 4.4126936278105E+24
Space diagonal 284093885.03485

Equilateral Triangle

Length = n
Perimeter 492065043
Area 1.1649389146309E+16
Altitude 142046942.51743

Triangular Pyramid

Length = n
Surface area 1.1649389146309E+16
Volume 5.2004093125392E+23
Height 77320561.931144