21490140 (number)

21490140 is an even 8-digits composite number following 21490139 and preceding 21490141. In scientific notation, it is written as 2.1490140 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 48 positive divisors. There are 4651776 positive integers (up to 21490140) that are relatively prime to 21490140.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand one hundred forty

Notation

Scientific notation 2.1490140 × 10^7
Engineering notation 2.1490140 × 10^6

Prime Factorization of 21490140

Prime Factorization 2 × 2 × 21 × 5 × 19 × 2693

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10745070
Product of the distinct prime numbers

The prime factorization of 21490140 is 2 × 2 × 21 × 5 × 19 × 2693. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 9, 31, 2, 431, 131, 1988, 8955, 42898, 88346, 934135, 712729, 3856357, 2256008, 98414686, 10392816, 293174128, 994326152, 2308800862, 2816761482

Basic calculations (n = 21490140)

Multiplication

n×y
n×2 42980280
n×3 64470420
n×4 85960560
n×5 107450700

Division

n÷y
n÷2 10745070
n÷3 7163380
n÷3 5372535
n÷5 4298028

Exponentiation

ny
n2 461826117219600
n3 9.9247079147056E+21
n4 2.1328336254613E+29
n5 4.5834893207871E+36

Nth Root

y√n
2√n 4635.7458946754
3√n 278.02237454269
4√n 68.086312094836
5√n 29.271693492566

Divisors of 21490140

1, 2, 4, 5, 10, 19, 20, 21, 38, 42, 76, 84, 95, 105, 190, 210, 380, 399, 420, 798, 1596, 1995, 2693, 3990, 5386, 7980, 10772, 13465, 26930, 51167, 53860, 56553, 102334, 113106, 204668, 226212, 255835, 282765, 511670, 565530, 1023340, 1074507, 1131060, 2149014, 4298028, 5372535, 10745070, 21490140

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490139
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490140 can be divided by 48 positive divisors. The sum of these divisors (counting 21490140) is 1, the average is 0.020833333333333.

Base conversion 21490140

Base System Value
2 Binary 1010001111110100111011100
3 Ternary 1111102210221010
4 Quaternary 1101332213130
5 Quinary 21000141030
6 Senary 2044335220
8 Octal 121764734
10 Decimal 21490140
12 Duodecimal 7244510
16 Hexadecimal 147e9dc
20 Vigesimal 6e6570
36 Base36 cslwc

Cryptographic Hash Functions

md5 efba180e10d41b856d31220c48867def
sha1 df3880aba41b5a332557ea60005f22702d20635a
sha256 89c587c5439c53429ed2a371bc43c20f07ff003914ce18e57c3ee4bdab11bfb5
sha512 bd001d90340487625c0ef9d148d65aeb37a44bc5a8edc5093b8ad6ea03fd1cf43dd705d887d75dae7711a2a8e383717e986858c8780a443e957fa7b0e100079c
ripemd-160 f8b2bd3ea34698b7a9589cb8ae5b8137c0e73e99

21490140 as geometric shapes

Circle

Radius = n
Diameter 42980280
Circumference 135026531.89723
Area 1.450869537093E+15

Sphere

Radius = n
Volume 4.1572519298485E+22
Surface area 5.803478148372E+15
Circumference 135026531.89723

Square

Length = n
Perimeter 85960560
Area 461826117219600
Diagonal 30391647.445297

Cube

Length = n
Surface area 2770956703317600
Volume 9.9247079147056E+21
Space diagonal 37222014.341768

Equilateral Triangle

Length = n
Perimeter 64470420
Area 1.9997657482165E+14
Altitude 18611007.170884

Triangular Pyramid

Length = n
Surface area 1.9997657482165E+14
Volume 1.1696380446307E+21
Height 10130549.148432