398439861 (number)

398439861 is an odd 9-digits composite number following 398439860 and preceding 398439862. In scientific notation, it is written as 3.98439861 × 10^8. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 247518720 positive integers (up to 398439861) that are relatively prime to 398439861.

Interesting facts

Basic properties

Name

Name three hundred ninety-eight million four hundred thirty-nine thousand eight hundred sixty-one

Notation

Scientific notation 3.98439861 × 10^8
Engineering notation 3.98439861 × 10^6

Prime Factorization of 398439861

Prime Factorization 3 × 19 × 61 × 114593

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 398439861
Product of the distinct prime numbers

The prime factorization of 398439861 is 3 × 19 × 61 × 114593. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 20, 9, 667, 690, 214, 1906, 55086, 91115, 164989, 870239, 9665070, 237322, 58270121, 13698351, 106528000, 230943806, 1922754991, 9384418456

Basic calculations (n = 398439861)

Multiplication

n×y
n×2 796879722
n×3 1195319583
n×4 1593759444
n×5 1992199305

Division

n÷y
n÷2 199219930.5
n÷3 132813287
n÷3 99609965.25
n÷5 79687972.2

Exponentiation

ny
n2 158754322833699321
n3 6.3254050323008E+25
n4 2.5202935018386E+34
n5 1.0041853925518E+43

Nth Root

y√n
2√n 19960.958418874
3√n 735.84711806145
4√n 141.28325597492
5√n 52.489514522861

Divisors of 398439861

1, 3, 19, 57, 61, 183, 1159, 3477, 114593, 343779, 2177267, 6531801, 6990173, 20970519, 132813287, 398439861

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 -398439860
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 398439861 can be divided by 16 positive divisors. The sum of these divisors (counting 398439861) is 1, the average is 0.0625.

Base conversion 398439861

Base System Value
2 Binary 10111101111111011010110110101
3 Ternary 1000202201211201220
4 Quaternary 113233323112311
5 Quinary 1304000033421
6 Senary 103311540553
8 Octal 2757732665
10 Decimal 398439861
12 Duodecimal b152a759
16 Hexadecimal 17bfb5b5
20 Vigesimal 64a4jd1
36 Base36 6l7y5x

Cryptographic Hash Functions

md5 7bd499dfb95068b7281c31b75e707eb1
sha1 e0310b5f843db5a21e3dd32886d0dc7fcb9c6aac
sha256 4c9893f96d0b76b398d98aa49b5fefb21fec7f65b50f855929362e134bf9db33
sha512 3a6c1e00f6a775630b2ea57a7812ffc389652cd1ce43e6ad049a64b17cb3d2f5ef4222663cf378fbbb6ad046fd51d36770f2a89c5c3ad79b17bdef40a5046e8a
ripemd-160 0656c697f56da3eb4a875dc144443ca9e0ea3e4e

398439861 as geometric shapes

Circle

Radius = n
Diameter 796879722
Circumference 2503471480.4299
Area 4.9874141433997E+17

Sphere

Radius = n
Volume 2.6495794640608E+26
Surface area 1.9949656573599E+18
Circumference 2503471480.4299

Square

Length = n
Perimeter 1593759444
Area 158754322833699321
Diagonal 563479055.21625

Cube

Length = n
Surface area 952525937002195926
Volume 6.3254050323008E+25
Space diagonal 690118083.01268

Equilateral Triangle

Length = n
Perimeter 1195319583
Area 6.874263826729E+16
Altitude 345059041.50634

Triangular Pyramid

Length = n
Surface area 6.874263826729E+16
Volume 7.4545613201524E+24
Height 187826351.73875