15397890 (number)

15397890 is an even 8-digits composite number following 15397889 and preceding 15397891. In scientific notation, it is written as 1.5397890 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 3953664 positive integers (up to 15397890) that are relatively prime to 15397890.

Interesting facts

Basic properties

Name

Name fifteen million three hundred ninety-seven thousand eight hundred ninety

Notation

Scientific notation 1.5397890 × 10^7
Engineering notation 1.5397890 × 10^6

Prime Factorization of 15397890

Prime Factorization 2 × 15 × 89 × 79 × 73

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15397890
Product of the distinct prime numbers

The prime factorization of 15397890 is 2 × 15 × 89 × 79 × 73. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 10, 97, 78, 382, 445, 473, 437, 20256, 47641, 385300, 347074, 9979876, 5495253, 27662748, 152370, 8247213, 395805908, 8091294995, 6583895978

Basic calculations (n = 15397890)

Multiplication

n×y
n×2 30795780
n×3 46193670
n×4 61591560
n×5 76989450

Division

n÷y
n÷2 7698945
n÷3 5132630
n÷3 3849472.5
n÷5 3079578

Exponentiation

ny
n2 237095016452100
n3 3.6507629828776E+21
n4 5.6214046826422E+28
n5 8.6557770948809E+35

Nth Root

y√n
2√n 3924.014525967
3√n 248.78283027539
4√n 62.641954997964
5√n 27.38370720565

Divisors of 15397890

1, 2, 15, 30, 73, 79, 89, 146, 158, 178, 1095, 1185, 1335, 2190, 2370, 2670, 5767, 6497, 7031, 11534, 12994, 14062, 86505, 97455, 105465, 173010, 194910, 210930, 513263, 1026526, 7698945, 15397890

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 -15397889
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 15397890 can be divided by 32 positive divisors. The sum of these divisors (counting 15397890) is 1, the average is 0.03125.

Base conversion 15397890

Base System Value
2 Binary 111010101111010000000010
3 Ternary 1001222021221020
4 Quaternary 322233100002
5 Quinary 12420213030
6 Senary 1310010310
8 Octal 72572002
10 Decimal 15397890
12 Duodecimal 51a6996
16 Hexadecimal eaf402
20 Vigesimal 4g4eea
36 Base36 96136

Cryptographic Hash Functions

md5 d99b20b10f9ce29f3051c6528434983d
sha1 042f77cd131ba689eae7f9bc8de35f2dba689c95
sha256 63233375d8585bacd1fa4a0ac16fa8f42a62f77e251e5354b6a00f19683a66d8
sha512 5c1d87ad60bea5cb1d70ded0da21d20167580d75b8c0c0c10637feb324ee81d76ac4810ec33f91d56d6a60ee12f03d8ed767c4979014979aaca10ef9c03a9e84
ripemd-160 acc234037beef3574577847930e0105ced2fe839

15397890 as geometric shapes

Circle

Radius = n
Diameter 30795780
Circumference 96747796.209567
Area 7.4485596188867E+14

Sphere

Radius = n
Volume 1.5292280222675E+22
Surface area 2.9794238475547E+15
Circumference 96747796.209567

Square

Length = n
Perimeter 61591560
Area 237095016452100
Diagonal 21775904.869929

Cube

Length = n
Surface area 1422570098712600
Volume 3.6507629828776E+21
Space diagonal 26669927.809357

Equilateral Triangle

Length = n
Perimeter 46193670
Area 1.026651536791E+14
Altitude 13334963.904678

Triangular Pyramid

Length = n
Surface area 1.026651536791E+14
Volume 4.3024654361627E+20
Height 7258634.956643