398339987 (number)

398339987 is an odd 9-digits composite number following 398339986 and preceding 398339988. In scientific notation, it is written as 3.98339987 × 10^8. The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors. There are 385490280 positive integers (up to 398339987) that are relatively prime to 398339987.

Interesting facts

Basic properties

Name

Name three hundred ninety-eight million three hundred thirty-nine thousand nine hundred eighty-seven

Notation

Scientific notation 3.98339987 × 10^8
Engineering notation 3.98339987 × 10^6

Prime Factorization of 398339987

Prime Factorization 31 × 12849677

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 398339987
Product of the distinct prime numbers

The prime factorization of 398339987 is 31 × 12849677. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 4, 51, 66, 591, 605, 9457, 4280, 33115, 98283, 833344, 831896, 9514354, 4005686, 33849921, 39605962, 145373596, 643431605, 3391009760, 1739697827

Basic calculations (n = 398339987)

Multiplication

n×y
n×2 796679974
n×3 1195019961
n×4 1593359948
n×5 1991699935

Division

n÷y
n÷2 199169993.5
n÷3 132779995.66667
n÷3 99584996.75
n÷5 79667997.4

Exponentiation

ny
n2 158674745243160169
n3 6.3206495957389E+25
n4 2.5177674777982E+34
n5 1.0029274643751E+43

Nth Root

y√n
2√n 19958.456528499
3√n 735.78562978874
4√n 141.27440153297
5√n 52.486882826593

Divisors of 398339987

1, 31, 12849677, 398339987

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 -398339986
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 398339987 can be divided by 4 positive divisors. The sum of these divisors (counting 398339987) is 1, the average is 0.25.

Base conversion 398339987

Base System Value
2 Binary 10111101111100010111110010011
3 Ternary 1000202112202201212
4 Quaternary 113233202332103
5 Quinary 1303433334422
6 Senary 103305450335
8 Octal 2757427623
10 Decimal 398339987
12 Duodecimal b14a09ab
16 Hexadecimal 17be2f93
20 Vigesimal 649c9j7
36 Base36 6l5t3n

Cryptographic Hash Functions

md5 84f6a295ae42e27a7a3ddf0cec204812
sha1 302f6710c282e32d29e37018dc0a9174f67899ab
sha256 4ec540eb760ce20fe4ffb4b8796e7ad8c66776101a95723af2e9ddbd75a9e5cd
sha512 3dba140aa1b8c4da155eda2067cbaeeab1c200e8428ec584f695b4575c25138294192b401299070e75ba161a31d710a5f9ffaad7d558c7baa1b255d320accd2c
ripemd-160 7d7fd645c6fb3b9f7dd93ac8f913e8ecabfacf4f

398339987 as geometric shapes

Circle

Radius = n
Diameter 796679974
Circumference 2502843953.5805
Area 4.9849141396614E+17

Sphere

Radius = n
Volume 2.6475875114518E+26
Surface area 1.9939656558646E+18
Circumference 2502843953.5805

Square

Length = n
Perimeter 1593359948
Area 158674745243160169
Diagonal 563337812.05092

Cube

Length = n
Surface area 952048471458961014
Volume 6.3206495957389E+25
Space diagonal 689945096.17033

Equilateral Triangle

Length = n
Perimeter 1195019961
Area 6.87081801598E+16
Altitude 344972548.08516

Triangular Pyramid

Length = n
Surface area 6.87081801598E+16
Volume 7.4489569844183E+24
Height 187779270.68364