720421905 (number)

720421905 is an odd 9-digits composite number following 720421904 and preceding 720421906. In scientific notation, it is written as 7.20421905 × 10^8. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 326252736 positive integers (up to 720421905) that are relatively prime to 720421905.

Interesting facts

Basic properties

Name

Name seven hundred twenty million four hundred twenty-one thousand nine hundred five

Notation

Scientific notation 7.20421905 × 10^8
Engineering notation 7.20421905 × 10^6

Prime Factorization of 720421905

Prime Factorization 3 × 5 × 7 × 107 × 64123

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 720421905
Product of the distinct prime numbers

The prime factorization of 720421905 is 3 × 5 × 7 × 107 × 64123. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 720421905)

Multiplication

n×y
n×2 1440843810
n×3 2161265715
n×4 2881687620
n×5 3602109525

Division

n÷y
n÷2 360210952.5
n÷3 240140635
n÷3 180105476.25
n÷5 144084381

Exponentiation

ny
n2 519007721203829025
n3 3.7390453121937E+26
n4 2.6936901466919E+35
n5 1.9405933869595E+44

Nth Root

y√n
2√n 26840.676314132
3√n 896.45598244855
4√n 163.83124340043
5√n 59.090461503381

Divisors of 720421905

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -720421904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 720421905 can be divided by 32 positive divisors. The sum of these divisors (counting 720421905) is 1, the average is 0.03125.

Base conversion 720421905

Base System Value
2 Binary 101010111100001100010000010001
3 Ternary 1212012121020001210
4 Quaternary 222330030100101
5 Quinary 2433412000110
6 Senary 155253050333
8 Octal 5274142021
10 Decimal 720421905
12 Duodecimal 1813269a9
16 Hexadecimal 2af0c411
20 Vigesimal b52cef5
36 Base36 bwx53l

Cryptographic Hash Functions

md5 f95abc0435a6dab123583a2bb6d3715a
sha1 e352b30d19e5696538a312f9ea9fc239dfa150fa
sha256 fd7078995d67b9624280ab5adc95422ad4d9bf0f0dc143cc8bff182d506463ff
sha512 7335e49f64b497ef4d95e7517f82b76543ba20a82d24d2ccef7bc14bcc666dc99e36712e31af41bf49e3c227f72c85e8a8d7b1842c21c77ab6ed45b5201c9448
ripemd-160 362b1e892484e806e9b07416ab6df38f159c352c

720421905 as geometric shapes

Circle

Radius = n
Diameter 1440843810
Circumference 4526544328.4663
Area 1.6305108440903E+18

Sphere

Radius = n
Volume 1.566207637897E+27
Surface area 6.5220433763613E+18
Circumference 4526544328.4663

Square

Length = n
Perimeter 2881687620
Area 519007721203829025
Diagonal 1018830428.6817

Cube

Length = n
Surface area 3114046327222974150
Volume 3.7390453121937E+26
Space diagonal 1247807342.3456

Equilateral Triangle

Length = n
Perimeter 2161265715
Area 2.2473693566139E+17
Altitude 623903671.17278

Triangular Pyramid

Length = n
Surface area 2.2473693566139E+17
Volume 4.4065071590266E+25
Height 339610142.89389