19902015 (number)

19902015 is an odd 8-digits composite number following 19902014 and preceding 19902016. In scientific notation, it is written as 1.9902015 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 64 positive divisors. There are 8363520 positive integers (up to 19902015) that are relatively prime to 19902015.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred two thousand fifteen

Notation

Scientific notation 1.9902015 × 10^7
Engineering notation 1.9902015 × 10^6

Prime Factorization of 19902015

Prime Factorization 7 × 15 × 3 × 23 × 67 × 41

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 19902015
Product of the distinct prime numbers

The prime factorization of 19902015 is 7 × 15 × 3 × 23 × 67 × 41. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 9, 72, 21, 626, 264, 4684, 3558, 89266, 72266, 246872, 196155, 6231641, 8985507, 66300845, 89987119, 370852465, 764669919, 5388115930, 1155656514

Basic calculations (n = 19902015)

Multiplication

n×y
n×2 39804030
n×3 59706045
n×4 79608060
n×5 99510075

Division

n÷y
n÷2 9951007.5
n÷3 6634005
n÷3 4975503.75
n÷5 3980403

Exponentiation

ny
n2 396090201060225
n3 7.8829931228536E+21
n4 1.5688744737593E+29
n5 3.1223763309875E+36

Nth Root

y√n
2√n 4461.1674481014
3√n 270.99774874107
4√n 66.791971434458
5√n 28.825669958865

Divisors of 19902015

1, 3, 7, 15, 21, 23, 41, 45, 67, 69, 105, 123, 161, 201, 287, 315, 345, 469, 483, 615, 861, 943, 1005, 1035, 1407, 1541, 1845, 2415, 2747, 2829, 3015, 4305, 4623, 6601, 7035, 7245, 8241, 10787, 12915, 14145, 19229, 19803, 21105, 23115, 32361, 41205, 42435, 57687, 63181, 69345, 99015, 123615, 161805, 189543, 288435, 297045, 442267, 485415, 865305, 947715, 1326801, 2843145, 6634005, 19902015

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19902014
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19902015 can be divided by 64 positive divisors. The sum of these divisors (counting 19902015) is 1, the average is 0.015625.

Base conversion 19902015

Base System Value
2 Binary 1001011111010111000111111
3 Ternary 1101110010102200
4 Quaternary 1023322320333
5 Quinary 20043331030
6 Senary 1550322543
8 Octal 113727077
10 Decimal 19902015
12 Duodecimal 67b9453
16 Hexadecimal 12fae3f
20 Vigesimal 647f0f
36 Base36 bukhr

Cryptographic Hash Functions

md5 0770bc82b3fa21356e47149434bfc544
sha1 1e03346fbfc7788514d5fec1f38bb3d260e73b60
sha256 8b689bfa92782afbf0f3b0a959a619193db1e564633e5544d0cb0904ad4f4e66
sha512 84696994d2ac16fa9accecbad621fad0b96dd29bf70a08363a91e05daff1e99b6763110595cda29123fa388ebdb20480621feebe786ca3be918646e0e7ef2986
ripemd-160 5033e2218729efac8887394225efaed9f922570b

19902015 as geometric shapes

Circle

Radius = n
Diameter 39804030
Circumference 125048048.23127
Area 1.2443540658097E+15

Sphere

Radius = n
Volume 3.3020204377408E+22
Surface area 4.9774162632388E+15
Circumference 125048048.23127

Square

Length = n
Perimeter 79608060
Area 396090201060225
Diagonal 28145699.531553

Cube

Length = n
Surface area 2376541206361350
Volume 7.8829931228536E+21
Space diagonal 34471301.152998

Equilateral Triangle

Length = n
Perimeter 59706045
Area 1.7151208815412E+14
Altitude 17235650.576499

Triangular Pyramid

Length = n
Surface area 1.7151208815412E+14
Volume 9.2901964886945E+20
Height 9381899.8438509