231931978 (number)

231931978 is an even 9-digits composite number following 231931977 and preceding 231931979. In scientific notation, it is written as 2.31931978 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 115965988 positive integers (up to 231931978) that are relatively prime to 231931978.

Interesting facts

Basic properties

Name

Name two hundred thirty-one million nine hundred thirty-one thousand nine hundred seventy-eight

Notation

Scientific notation 2.31931978 × 10^8
Engineering notation 2.31931978 × 10^6

Prime Factorization of 231931978

Prime Factorization 2 × 115965989

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 231931978
Product of the distinct prime numbers

The prime factorization of 231931978 is 2 × 115965989. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 8, 7, 9, 209, 983, 3273, 3310, 25928, 79799, 415108, 903630, 8060496, 990078, 24628178, 55617098, 833774193, 454738043, 8855214079, 4449381575

Basic calculations (n = 231931978)

Multiplication

n×y
n×2 463863956
n×3 695795934
n×4 927727912
n×5 1159659890

Division

n÷y
n÷2 115965989
n÷3 77310659.333333
n÷3 57982994.5
n÷5 46386395.6

Exponentiation

ny
n2 53792442418992484
n3 1.2476187571688E+25
n4 2.8936268614006E+33
n5 6.7112460155858E+41

Nth Root

y√n
2√n 15229.313116487
3√n 614.4033060673
4√n 123.40710318489
5√n 47.105555143803

Divisors of 231931978

1, 2, 115965989, 231931978

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 -231931977
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 231931978 can be divided by 4 positive divisors. The sum of these divisors (counting 231931978) is 1, the average is 0.25.

Base conversion 231931978

Base System Value
2 Binary 1101110100110000000001001010
3 Ternary 121011102100212021
4 Quaternary 31310300001022
5 Quinary 433333310403
6 Senary 35003035054
8 Octal 1564600112
10 Decimal 231931978
12 Duodecimal 6580ba8a
16 Hexadecimal dd3004a
20 Vigesimal 3c9b9ii
36 Base36 3u33uy

Cryptographic Hash Functions

md5 129f7ea71ccc485ea277056660109021
sha1 5bff1cfffc2357fd449e9c52942fe11f390486ba
sha256 e88b8e9ba1545fb8eabaa0fbfede5843c5ef11e3ed4fa5f7f70ef1646b6fa541
sha512 373a324484d7df6db514a9c619484164e919a304c23f6f00b05f5bed95928d0c6cf8114f9ee45dd0fcc1454a58f29226dcc6f72d37e077622a48427288b1d1b6
ripemd-160 37a50a556d4a35ce8d30dd305e5bf5ec53249d5d

231931978 as geometric shapes

Circle

Radius = n
Diameter 463863956
Circumference 1457271596.4347
Area 1.6899394192216E+17

Sphere

Radius = n
Volume 5.2260132293365E+25
Surface area 6.7597576768863E+17
Circumference 1457271596.4347

Square

Length = n
Perimeter 927727912
Area 53792442418992484
Diagonal 328001348.83562

Cube

Length = n
Surface area 322754654513954904
Volume 1.2476187571688E+25
Space diagonal 401717969.79595

Equilateral Triangle

Length = n
Perimeter 695795934
Area 2.329281083323E+16
Altitude 200858984.89797

Triangular Pyramid

Length = n
Surface area 2.329281083323E+16
Volume 1.4703328058827E+24
Height 109333782.94521