1645672021 (number)

1645672021 is an odd 10-digits composite number following 1645672020 and preceding 1645672022. In scientific notation, it is written as 1.645672021 × 10^9. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 1410576012 positive integers (up to 1645672021) that are relatively prime to 1645672021.

Interesting facts

Basic properties

Name

Name one billion six hundred forty-five million six hundred seventy-two thousand twenty-one

Notation

Scientific notation 1.645672021 × 10^9
Engineering notation 1.645672021 × 10^9

Prime Factorization of 1645672021

Prime Factorization 7 × 235096003

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1645672021
Product of the distinct prime numbers

The prime factorization of 1645672021 is 7 × 235096003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1645672021)

Multiplication

n×y
n×2 3291344042
n×3 4937016063
n×4 6582688084
n×5 8228360105

Division

n÷y
n÷2 822836010.5
n÷3 548557340.33333
n÷3 411418005.25
n÷5 329134404.2

Exponentiation

ny
n2 2708236400702224441
n3 4.4568688708894E+27
n4 7.3345444020885E+36
n5 1.2070254509299E+46

Nth Root

y√n
2√n 40566.883303996
3√n 1180.6316691246
4√n 201.41222233021
5√n 69.705758465901

Divisors of 1645672021

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 -1645672020
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 1645672021 can be divided by 4 positive divisors. The sum of these divisors (counting 1645672021) is 1, the average is 0.25.

Base conversion 1645672021

Base System Value
2 Binary 1100010000101101111011001010101
3 Ternary 11020200121210121121
4 Quaternary 1202011233121111
5 Quinary 11332243001041
6 Senary 431144243541
8 Octal 14205573125
10 Decimal 1645672021
12 Duodecimal 39b1705b1
16 Hexadecimal 6216f655
20 Vigesimal 15e59011
36 Base36 r7sgnp

Cryptographic Hash Functions

md5 78806a88040827f837bf1136844205e9
sha1 3b30295863ba7bdaa28554b9a0c349b2d58057cb
sha256 b8bb388eac1c0a8b907f32fab40473eb78195493ac887212b84b5be249c625d4
sha512 078c89b52869cb335927f6468f34b37af21d5532329d34a68fa5d5a37af6f646950c90bd37208750ef341f2de7979e0e1c6547091a82360d21aaaefd1c0b0bdc
ripemd-160 7d797157d4b047fa14db7baab18b2847343fadbe

1645672021 as geometric shapes

Circle

Radius = n
Diameter 3291344042
Circumference 10340062262.784
Area 8.5081755806306E+18

Sphere

Radius = n
Volume 1.8668888670399E+28
Surface area 3.4032702322522E+19
Circumference 10340062262.784

Square

Length = n
Perimeter 6582688084
Area 2708236400702224441
Diagonal 2327331691.3161

Cube

Length = n
Surface area 1.6249418404213E+19
Volume 4.4568688708894E+27
Space diagonal 2850387552.9666

Equilateral Triangle

Length = n
Perimeter 4937016063
Area 1.1727007612309E+18
Altitude 1425193776.4833

Triangular Pyramid

Length = n
Surface area 1.1727007612309E+18
Volume 5.2524703357752E+26
Height 775777230.43871