398021221 (number)

398021221 is an odd 9-digits composite number following 398021220 and preceding 398021222. In scientific notation, it is written as 3.98021221 × 10^8. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 344620800 positive integers (up to 398021221) that are relatively prime to 398021221.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.98021221 × 10^8
Engineering notation 3.98021221 × 10^6

Prime Factorization of 398021221

Prime Factorization 13 × 17 × 311 × 5791

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 398021221
Product of the distinct prime numbers

The prime factorization of 398021221 is 13 × 17 × 311 × 5791. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 398021221)

Multiplication

n×y
n×2 796042442
n×3 1194063663
n×4 1592084884
n×5 1990106105

Division

n÷y
n÷2 199010610.5
n÷3 132673740.33333
n÷3 99505305.25
n÷5 79604244.2

Exponentiation

ny
n2 158420892366330841
n3 6.3054877011557E+25
n4 2.5097179138145E+34
n5 9.98920988422E+42

Nth Root

y√n
2√n 19950.469192478
3√n 735.58931002763
4√n 141.24612983186
5√n 52.478479757697

Divisors of 398021221

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 -398021220
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 398021221 can be divided by 16 positive divisors. The sum of these divisors (counting 398021221) is 1, the average is 0.0625.

Base conversion 398021221

Base System Value
2 Binary 10111101110010101001001100101
3 Ternary 1000201221120110201
4 Quaternary 113232111021211
5 Quinary 1303343134341
6 Senary 103254550501
8 Octal 2756251145
10 Decimal 398021221
12 Duodecimal b1368431
16 Hexadecimal 17b95265
20 Vigesimal 647cd11
36 Base36 6kyz51

Cryptographic Hash Functions

md5 d3a8b1a77f602dcc2694421bbc5ae7fa
sha1 ff83abd13599bbb80ce514e80f3ca9e66b705f6e
sha256 16f29489b77b734057b7fd306d116f0d55f253f83367e1d2f1bff75ff9364f64
sha512 2115bd8293ff52603fac2bd81314b2e7301937da88794118d0fc1701224bd503228cafbda2603dab51044ad028c2ba41276e5caab3e34f595ebc01bdc793fb22
ripemd-160 3f6f62f967afddb75c3a14c4d4269487818892e8

398021221 as geometric shapes

Circle

Radius = n
Diameter 796042442
Circumference 2500841087.7329
Area 4.976939116332E+17

Sphere

Radius = n
Volume 2.6412365119002E+26
Surface area 1.9907756465328E+18
Circumference 2500841087.7329

Square

Length = n
Perimeter 1592084884
Area 158420892366330841
Diagonal 562887008.8505

Cube

Length = n
Surface area 950525354197985046
Volume 6.3054877011557E+25
Space diagonal 689392977.2626

Equilateral Triangle

Length = n
Perimeter 1194063663
Area 6.8598258639721E+16
Altitude 344696488.6313

Triangular Pyramid

Length = n
Surface area 6.8598258639721E+16
Volume 7.4310885202926E+24
Height 187629002.95017