2147991 (number)

2147991 is an odd 7-digits composite number following 2147990 and preceding 2147992. In scientific notation, it is written as 2.147991 × 10^6. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 1428480 positive integers (up to 2147991) that are relatively prime to 2147991.

Interesting facts

Basic properties

Name

Name two million one hundred forty-seven thousand nine hundred ninety-one

Notation

Scientific notation 2.147991 × 10^6
Engineering notation 2.147991 × 10^6

Prime Factorization of 2147991

Prime Factorization 3 × 641 × 1117

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2147991
Product of the distinct prime numbers

The prime factorization of 2147991 is 3 × 641 × 1117. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2147991)

Multiplication

n×y
n×2 4295982
n×3 6443973
n×4 8591964
n×5 10739955

Division

n÷y
n÷2 1073995.5
n÷3 715997
n÷3 536997.75
n÷5 429598.2

Exponentiation

ny
n2 4613865336081
n3 9.910541217114E+18
n4 2.128775333949E+25
n5 4.5725902583444E+31

Nth Root

y√n
2√n 1465.6026064387
3√n 129.02607489255
4√n 38.283189606389
5√n 18.467431273527

Divisors of 2147991

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2147990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2147991 can be divided by 8 positive divisors. The sum of these divisors (counting 2147991) is 1, the average is 0.125.

Base conversion 2147991

Base System Value
2 Binary 1000001100011010010111
3 Ternary 11001010111020
4 Quaternary 20030122113
5 Quinary 1022213431
6 Senary 114012223
8 Octal 10143227
10 Decimal 2147991
12 Duodecimal 877073
16 Hexadecimal 20c697
20 Vigesimal d89jb
36 Base36 1a1ef

Cryptographic Hash Functions

md5 9da9c0af52db2a27d818a2cd8ff50a6d
sha1 16824eab7da8363bf6b2283644caa59b2d43e752
sha256 d0f9caddb67a6354108f50f6db08368c1be43bf258a883f5e505c5bd8dec6fb9
sha512 7e2dcf87162e251e0d5e13c7f1c93cd4b5ee5b32f41508e30c64390bb58e9b446d314503b14bedfdb14f34a5ac9c3cbb46342ca14d4994021e80efc2a0a30873
ripemd-160 7a8d3f643be53b236d3088a9cd8ca870fa01fad8

2147991 as geometric shapes

Circle

Radius = n
Diameter 4295982
Circumference 13496225.491154
Area 14494885444485

Sphere

Radius = n
Volume 4.1513177974379E+19
Surface area 57979541777939
Circumference 13496225.491154

Square

Length = n
Perimeter 8591964
Area 4613865336081
Diagonal 3037718.0040553

Cube

Length = n
Surface area 27683192016486
Volume 9.910541217114E+18
Space diagonal 3720429.5462007

Equilateral Triangle

Length = n
Perimeter 6443973
Area 1997862295343.3
Altitude 1860214.7731003

Triangular Pyramid

Length = n
Surface area 1997862295343.3
Volume 1.1679684833083E+18
Height 1012572.6680184