388021221 (number)

388021221 is an odd 9-digits composite number following 388021220 and preceding 388021222. In scientific notation, it is written as 3.88021221 × 10^8. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 219231936 positive integers (up to 388021221) that are relatively prime to 388021221.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million twenty-one thousand two hundred twenty-one

Notation

Scientific notation 3.88021221 × 10^8
Engineering notation 3.88021221 × 10^6

Prime Factorization of 388021221

Prime Factorization 3 × 7 × 3 × 89 × 69203

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 129340407
Product of the distinct prime numbers

The prime factorization of 388021221 is 3 × 7 × 3 × 89 × 69203. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 10, 13, 14, 910, 302, 7949, 9630, 12392, 87010, 160302, 344846, 760693, 332252, 72850148, 32615652, 923802569, 545772561, 5410649760, 9832736498

Basic calculations (n = 388021221)

Multiplication

n×y
n×2 776042442
n×3 1164063663
n×4 1552084884
n×5 1940106105

Division

n÷y
n÷2 194010610.5
n÷3 129340407
n÷3 97005305.25
n÷5 77604244.2

Exponentiation

ny
n2 150560467946330841
n3 5.8420656606867E+25
n4 2.2668454508218E+34
n5 8.7958413964617E+42

Nth Root

y√n
2√n 19698.254262751
3√n 729.37659982952
4√n 140.35046940695
5√n 52.212092120409

Divisors of 388021221

1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 69203, 207609, 484421, 622827, 1453263, 4359789, 6159067, 18477201, 43113469, 55431603, 129340407, 388021221

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388021220
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388021221 can be divided by 24 positive divisors. The sum of these divisors (counting 388021221) is 1, the average is 0.041666666666667.

Base conversion 388021221

Base System Value
2 Binary 10111001000001011101111100101
3 Ternary 1000001010112001100
4 Quaternary 113020023233211
5 Quinary 1243313134341
6 Senary 102300350313
8 Octal 2710135745
10 Decimal 388021221
12 Duodecimal a9b45399
16 Hexadecimal 1720bbe5
20 Vigesimal 6152d11
36 Base36 6f0n39

Cryptographic Hash Functions

md5 9f6783baeaf105dbb9d661fe43ccb075
sha1 aaa470f153fc4fd64e6b51bf09080faa0556fa8d
sha256 ca473ab2e88761681e3d982af6aa9c7f01b4f527be3541058c36f864a6067794
sha512 ead90b6f9ec8115867dec029774e48cb5e3f85aaf4b72aec1beca79b5913c484ecf778c92198ba72a190237249b5798278608b7b5ea469a62c3465792253a94d
ripemd-160 0f73990a25aba950134bbebb97a3d1924eaa59a4

388021221 as geometric shapes

Circle

Radius = n
Diameter 776042442
Circumference 2438009234.6611
Area 4.7299966002123E+17

Sphere

Radius = n
Volume 2.4471187415203E+26
Surface area 1.8919986400849E+18
Circumference 2438009234.6611

Square

Length = n
Perimeter 1552084884
Area 150560467946330841
Diagonal 548744873.22677

Cube

Length = n
Surface area 903362807677985046
Volume 5.8420656606867E+25
Space diagonal 672072469.18691

Equilateral Triangle

Length = n
Perimeter 1164063663
Area 6.5194595023598E+16
Altitude 336036234.59346

Triangular Pyramid

Length = n
Surface area 6.5194595023598E+16
Volume 6.8849404080144E+24
Height 182914957.74226