231649891 (number)

231649891 is an odd 9-digits composite number following 231649890 and preceding 231649892. In scientific notation, it is written as 2.31649891 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 210590800 positive integers (up to 231649891) that are relatively prime to 231649891.

Interesting facts

Basic properties

Name

Name two hundred thirty-one million six hundred forty-nine thousand eight hundred ninety-one

Notation

Scientific notation 2.31649891 × 10^8
Engineering notation 2.31649891 × 10^6

Prime Factorization of 231649891

Prime Factorization 11 × 21059081

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 231649891
Product of the distinct prime numbers

The prime factorization of 231649891 is 11 × 21059081. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 3, 6, 26, 239, 977, 1228, 3510, 58918, 78398, 207555, 853651, 7388794, 9413946, 46359297, 81080476, 355457871, 167442332, 1919980862, 7832355524

Basic calculations (n = 231649891)

Multiplication

n×y
n×2 463299782
n×3 694949673
n×4 926599564
n×5 1158249455

Division

n÷y
n÷2 115824945.5
n÷3 77216630.333333
n÷3 57912472.75
n÷5 46329978.2

Exponentiation

ny
n2 53661672000311881
n3 1.243072046975E+25
n4 2.8795750418691E+33
n5 6.6705324457529E+41

Nth Root

y√n
2√n 15220.048981524
3√n 614.15411591076
4√n 123.36956262192
5√n 47.094091149826

Divisors of 231649891

1, 11, 21059081, 231649891

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 -231649890
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 231649891 can be divided by 4 positive divisors. The sum of these divisors (counting 231649891) is 1, the average is 0.25.

Base conversion 231649891

Base System Value
2 Binary 1101110011101011001001100011
3 Ternary 121010220000220121
4 Quaternary 31303223021203
5 Quinary 433300244031
6 Senary 34553021111
8 Octal 1563531143
10 Decimal 231649891
12 Duodecimal 656b4797
16 Hexadecimal dceb263
20 Vigesimal 3c7g4eb
36 Base36 3tx277

Cryptographic Hash Functions

md5 e16f34db3b6a438faf676967f6f102cf
sha1 e6715008240731e5907b06f9584b7d1d6a2f4e6e
sha256 d8951c9c11769fab659f6f6af6c34e984d2dd2b72781c633d9c9e8c53af566b0
sha512 2272052f33b04511cfe3d75848f5849b11cf36263ceea8419a8db76ce16a482800762654a4e27756442a346f91605eaf6be98744289d7e6360b4b8b044a286bf
ripemd-160 5adbc02a0ca61669513b5480ae7e3184eeddd935

231649891 as geometric shapes

Circle

Radius = n
Diameter 463299782
Circumference 1455499191.541
Area 1.6858311453552E+17

Sphere

Radius = n
Volume 5.2069680142126E+25
Surface area 6.743324581421E+17
Circumference 1455499191.541

Square

Length = n
Perimeter 926599564
Area 53661672000311881
Diagonal 327602417.57445

Cube

Length = n
Surface area 321970032001871286
Volume 1.243072046975E+25
Space diagonal 401229380.77979

Equilateral Triangle

Length = n
Perimeter 694949673
Area 2.3236185580909E+16
Altitude 200614690.3899

Triangular Pyramid

Length = n
Surface area 2.3236185580909E+16
Volume 1.4649744565324E+24
Height 109200805.85815