861497890 (number)

861497890 is an even 9-digits composite number following 861497889 and preceding 861497891. In scientific notation, it is written as 8.61497890 × 10^8. The sum of its digits is 52. It has a total of 6 prime factors and 64 positive divisors. There are 297711040 positive integers (up to 861497890) that are relatively prime to 861497890.

Interesting facts

Basic properties

Name

Name eight hundred sixty-one million four hundred ninety-seven thousand eight hundred ninety

Notation

Scientific notation 8.61497890 × 10^8
Engineering notation 8.61497890 × 10^6

Prime Factorization of 861497890

Prime Factorization 2 × 11 × 5 × 23 × 167 × 2039

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 861497890
Product of the distinct prime numbers

The prime factorization of 861497890 is 2 × 11 × 5 × 23 × 167 × 2039. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 861497890)

Multiplication

n×y
n×2 1722995780
n×3 2584493670
n×4 3445991560
n×5 4307489450

Division

n÷y
n÷2 430748945
n÷3 287165963.33333
n÷3 215374472.5
n÷5 172299578

Exponentiation

ny
n2 742178614474452100
n3 6.3938531037286E+26
n4 5.5082909578322E+35
n5 4.7453810376785E+44

Nth Root

y√n
2√n 29351.284298988
3√n 951.52033202913
4√n 171.32216522969
5√n 61.242208486075

Divisors of 861497890

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -861497889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 861497890 can be divided by 64 positive divisors. The sum of these divisors (counting 861497890) is 1, the average is 0.015625.

Base conversion 861497890

Base System Value
2 Binary 110011010110010110101000100010
3 Ternary 2020001001121221021
4 Quaternary 303112112220202
5 Quinary 3231020413030
6 Senary 221252520054
8 Octal 6326265042
10 Decimal 861497890
12 Duodecimal 20062002a
16 Hexadecimal 33596a22
20 Vigesimal d9474ea
36 Base36 e8ww0y

Cryptographic Hash Functions

md5 935dcc8baee099c773c131dbd8354456
sha1 1785ebcdaaee4f86c7234552b3a286feed39be9b
sha256 f28008306d64c195171fda8ba42db3bcf9968e7a513ab3a2d7dc8f1b738b1160
sha512 3ff03fd89f04574b28da2dc752f9facd181d289fddecaf4d024d60a6e1737985b2cc6147dfdc5d95a1768b5958abc679632ac449d23fc714c6e149be601c6297
ripemd-160 e5bd1fd1acb4f938d86049ecbe2e40c3ab124fbf

861497890 as geometric shapes

Circle

Radius = n
Diameter 1722995780
Circumference 5412950884.6142
Area 2.3316228828844E+18

Sphere

Radius = n
Volume 2.6782509251742E+27
Surface area 9.3264915315376E+18
Circumference 5412950884.6142

Square

Length = n
Perimeter 3445991560
Area 742178614474452100
Diagonal 1218341999.9938

Cube

Length = n
Surface area 4453071686846712600
Volume 6.3938531037286E+26
Space diagonal 1492158116.0934

Equilateral Triangle

Length = n
Perimeter 2584493670
Area 3.2137276714021E+17
Altitude 746079058.04669

Triangular Pyramid

Length = n
Surface area 3.2137276714021E+17
Volume 7.5352281459286E+25
Height 406113999.99793