861363981 (number)

861363981 is an odd 9-digits composite number following 861363980 and preceding 861363982. In scientific notation, it is written as 8.61363981 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 564828480 positive integers (up to 861363981) that are relatively prime to 861363981.

Interesting facts

Basic properties

Name

Name eight hundred sixty-one million three hundred sixty-three thousand nine hundred eighty-one

Notation

Scientific notation 8.61363981 × 10^8
Engineering notation 8.61363981 × 10^6

Prime Factorization of 861363981

Prime Factorization 3 × 3 × 61 × 1568969

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 287121327
Product of the distinct prime numbers

The prime factorization of 861363981 is 3 × 3 × 61 × 1568969. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 69, 46, 756, 32, 5142, 1714, 57992, 26782, 960507, 792374, 3311264, 2425883, 99047353, 14694635, 455736404, 685648492, 6493228025, 310072024

Basic calculations (n = 861363981)

Multiplication

n×y
n×2 1722727962
n×3 2584091943
n×4 3445455924
n×5 4306819905

Division

n÷y
n÷2 430681990.5
n÷3 287121327
n÷3 215340995.25
n÷5 172272796.2

Exponentiation

ny
n2 741947907764168361
n3 6.3908720352636E+26
n4 5.5048669783563E+35
n5 4.7416941353524E+44

Nth Root

y√n
2√n 29349.003066544
3√n 951.47102885614
4√n 171.31550737322
5√n 61.240304501648

Divisors of 861363981

1, 3, 9, 61, 183, 549, 1568969, 4706907, 14120721, 95707109, 287121327, 861363981

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -861363980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 861363981 can be divided by 12 positive divisors. The sum of these divisors (counting 861363981) is 1, the average is 0.083333333333333.

Base conversion 861363981

Base System Value
2 Binary 110011010101110101111100001101
3 Ternary 2020000210211020200
4 Quaternary 303111311330031
5 Quinary 3231002121411
6 Senary 221250004113
8 Octal 6325657415
10 Decimal 861363981
12 Duodecimal 200576639
16 Hexadecimal 33575f0d
20 Vigesimal d93a9j1
36 Base36 e8u0p9

Cryptographic Hash Functions

md5 5265b1a13b9f6e6d151333eeb966df54
sha1 5ad2ffacffc77b84129cd146de098511a721eeba
sha256 9c45179df15f5ef6f389fb8fb40466eab42b59c12c5a3779975d8435ba167ee2
sha512 fc27eb0c3ba85ccfd986f3c860df5f7b6abd6729ce4188b5e65307c36f0e8d611e829cc552b4277be9a611df7db4f8696cfad96c163a222a9f9a6c19255d837e
ripemd-160 4a8910ada5b8a8ae8c5c895b66ddba6706e99991

861363981 as geometric shapes

Circle

Radius = n
Diameter 1722727962
Circumference 5412109509.5529
Area 2.3308980963782E+18

Sphere

Radius = n
Volume 2.6770022181356E+27
Surface area 9.3235923855129E+18
Circumference 5412109509.5529

Square

Length = n
Perimeter 3445455924
Area 741947907764168361
Diagonal 1218152624.0699

Cube

Length = n
Surface area 4451687446585010166
Volume 6.3908720352636E+26
Space diagonal 1491926178.9018

Equilateral Triangle

Length = n
Perimeter 2584091943
Area 3.2127286820424E+17
Altitude 745963089.4509

Triangular Pyramid

Length = n
Surface area 3.2127286820424E+17
Volume 7.5317149230507E+25
Height 406050874.68996