868161721 (number)

868161721 is an odd 9-digits composite number following 868161720 and preceding 868161722. In scientific notation, it is written as 8.68161721 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 744138612 positive integers (up to 868161721) that are relatively prime to 868161721.

Interesting facts

Basic properties

Name

Name eight hundred sixty-eight million one hundred sixty-one thousand seven hundred twenty-one

Notation

Scientific notation 8.68161721 × 10^8
Engineering notation 8.68161721 × 10^6

Prime Factorization of 868161721

Prime Factorization 7 × 124023103

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 868161721
Product of the distinct prime numbers

The prime factorization of 868161721 is 7 × 124023103. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 3, 66, 84, 244, 122, 6439, 8372, 40902, 26259, 954431, 14966, 7124482, 196699, 80269885, 79474845, 778730591, 316563785, 8799161284, 4911331965

Basic calculations (n = 868161721)

Multiplication

n×y
n×2 1736323442
n×3 2604485163
n×4 3472646884
n×5 4340808605

Division

n÷y
n÷2 434080860.5
n÷3 289387240.33333
n÷3 217040430.25
n÷5 173632344.2

Exponentiation

ny
n2 753704773809681841
n3 6.5433763355653E+26
n4 5.680708860635E+35
n5 4.9317739809489E+44

Nth Root

y√n
2√n 29464.584181692
3√n 953.96742318662
4√n 171.65250997784
5√n 61.336660451245

Divisors of 868161721

1, 7, 124023103, 868161721

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 -868161720
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 868161721 can be divided by 4 positive divisors. The sum of these divisors (counting 868161721) is 1, the average is 0.25.

Base conversion 868161721

Base System Value
2 Binary 110011101111110001100010111001
3 Ternary 2020111121011222211
4 Quaternary 303233301202321
5 Quinary 3234222133341
6 Senary 222051415121
8 Octal 6357614271
10 Decimal 868161721
12 Duodecimal 2028b44a1
16 Hexadecimal 33bf18b9
20 Vigesimal db60461
36 Base36 ecvpvd

Cryptographic Hash Functions

md5 89126e06ce4354e0ec20f3651cb20ba0
sha1 7a0d6d8b9bc0294456e46f1b847d3be86e44b1be
sha256 fd423d870993cefa1579a0c3d8295e199442ebfb41d5baf21acba9248376840d
sha512 a9adaf949f9601f83d1c0b50f192b264ddb8b5a67b61a952fce7e5a330a0755f5ce7ec8710905353b51d1c2b7e4e8d603e4a4271c9febb4fe8a73e22db3ef01e
ripemd-160 f84bbd7365ed108525ae1726b51a3dac7a60388a

868161721 as geometric shapes

Circle

Radius = n
Diameter 1736323442
Circumference 5454820969.6429
Area 2.3678333803761E+18

Sphere

Radius = n
Volume 2.7408830700647E+27
Surface area 9.4713335215042E+18
Circumference 5454820969.6429

Square

Length = n
Perimeter 3472646884
Area 753704773809681841
Diagonal 1227766080.1714

Cube

Length = n
Surface area 4522228642858091046
Volume 6.5433763355653E+26
Space diagonal 1503700209.9584

Equilateral Triangle

Length = n
Perimeter 2604485163
Area 3.2636374053639E+17
Altitude 751850104.97922

Triangular Pyramid

Length = n
Surface area 3.2636374053639E+17
Volume 7.7114429645563E+25
Height 409255360.05712