398889646 (number)

398889646 is an even 9-digits composite number following 398889645 and preceding 398889647. In scientific notation, it is written as 3.98889646 × 10^8. The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors. There are 199444822 positive integers (up to 398889646) that are relatively prime to 398889646.

Interesting facts

Basic properties

Name

Name three hundred ninety-eight million eight hundred eighty-nine thousand six hundred forty-six

Notation

Scientific notation 3.98889646 × 10^8
Engineering notation 3.98889646 × 10^6

Prime Factorization of 398889646

Prime Factorization 2 × 199444823

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 398889646
Product of the distinct prime numbers

The prime factorization of 398889646 is 2 × 199444823. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 398889646)

Multiplication

n×y
n×2 797779292
n×3 1196668938
n×4 1595558584
n×5 1994448230

Division

n÷y
n÷2 199444823
n÷3 132963215.33333
n÷3 99722411.5
n÷5 79777929.2

Exponentiation

ny
n2 159112949686005316
n3 6.3468508174266E+25
n4 2.5316930757781E+34
n5 1.0098661547778E+43

Nth Root

y√n
2√n 19972.221859373
3√n 736.12390473626
4√n 141.32311155424
5√n 52.501359895406

Divisors of 398889646

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 -398889645
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 398889646 can be divided by 4 positive divisors. The sum of these divisors (counting 398889646) is 1, the average is 0.25.

Base conversion 398889646

Base System Value
2 Binary 10111110001101001001010101110
3 Ternary 1000210120200201121
4 Quaternary 113301221022232
5 Quinary 1304103432041
6 Senary 103325331154
8 Octal 2761511256
10 Decimal 398889646
12 Duodecimal b1706aba
16 Hexadecimal 17c692ae
20 Vigesimal 64d1426
36 Base36 6lhl7y

Cryptographic Hash Functions

md5 09c88a932541ee965efcaa0c157cc939
sha1 e796c1e39c1781cbf71d91e76b735a7bddb19569
sha256 26862fe94377f989f08621bfd2ea4ec07222902b18c553a4ddadd1d6d73e3875
sha512 e6bf928bb0bebe37d7bfbea793101057381881ec5a1993a939ba4715f479268c259ae80a9e88b2f0b882b4d9d57813fadf846af482e35da4d20979eb7673d9dd
ripemd-160 4fb5cd752bfc0cce636766cc5b3fbb9b19bc76ba

398889646 as geometric shapes

Circle

Radius = n
Diameter 797779292
Circumference 2506297562.9333
Area 4.9986807382456E+17

Sphere

Radius = n
Volume 2.6585626535277E+26
Surface area 1.9994722952982E+18
Circumference 2506297562.9333

Square

Length = n
Perimeter 1595558584
Area 159112949686005316
Diagonal 564115147.2634

Cube

Length = n
Surface area 954677698116031896
Volume 6.3468508174266E+25
Space diagonal 690897133.48516

Equilateral Triangle

Length = n
Perimeter 1196668938
Area 6.8897928249578E+16
Altitude 345448566.74258

Triangular Pyramid

Length = n
Surface area 6.8897928249578E+16
Volume 7.4798354203029E+24
Height 188038382.42113