157440 (number)

157440 is an even 6-digits composite number following 157439 and preceding 157441. In scientific notation, it is written as 1.57440 × 10^5. The sum of its digits is 21. It has a total of 10 prime factors and 36 positive divisors. There are 40960 positive integers (up to 157440) that are relatively prime to 157440.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven thousand four hundred forty

Notation

Scientific notation 1.57440 × 10^5
Engineering notation 1.57440 × 10^3

Prime Factorization of 157440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 15 × 41

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 1230
Product of the distinct prime numbers

The prime factorization of 157440 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 15 × 41. Since it has a total of 10 prime factors.

Most popular turbo-numbers

9, 7, 38, 98, 846, 588, 8748, 2476, 47506, 48811, 14554, 612024, 7727082, 8381956, 80444965, 89193776, 902407315, 899811252, 7216195340, 4582392937

Basic calculations (n = 157440)

Multiplication

n×y
n×2 314880
n×3 472320
n×4 629760
n×5 787200

Division

n÷y
n÷2 78720
n÷3 52480
n÷3 39360
n÷5 31488

Exponentiation

ny
n2 24787353600
n3 3902520950784000
n4 6.1441289849143E+20
n5 9.6733166738491E+25

Nth Root

y√n
2√n 396.78709656439
3√n 53.99725637638
4√n 19.919515470121
5√n 10.95022432613

Divisors of 157440

1, 2, 4, 8, 15, 16, 30, 32, 41, 60, 64, 82, 120, 128, 164, 240, 256, 328, 480, 615, 656, 960, 1230, 1312, 1920, 2460, 2624, 3840, 4920, 5248, 9840, 10496, 19680, 39360, 78720, 157440

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157440 can be divided by 36 positive divisors. The sum of these divisors (counting 157440) is 1, the average is 0.027777777777778.

Base conversion 157440

Base System Value
2 Binary 100110011100000000
3 Ternary 21222222010
4 Quaternary 212130000
5 Quinary 20014230
6 Senary 3212520
8 Octal 463400
10 Decimal 157440
12 Duodecimal 77140
16 Hexadecimal 26700
20 Vigesimal jdc0
36 Base36 3dhc

Cryptographic Hash Functions

md5 426a5743f374580d24d990f3c3f7a55f
sha1 af96b0c91059ddd5ff6ea6eb544ac6970056ae4f
sha256 76c006cde5a2684e88feb2ee60eef074da4ef8b3432d8000da6c847f57543ae4
sha512 854ef65a8dfeff6b54331361f50d6e5a1f4f2f62013ebfaca3d99884a0d0d70399647990b02c998e2c6793161492cc859d7aaeca84b65e3ac1cc1c976182febf
ripemd-160 689cbe76c9711585491dfa72114e429ead885e63

157440 as geometric shapes

Circle

Radius = n
Diameter 314880
Circumference 989224.69476235
Area 77871767971.693

Sphere

Radius = n
Volume 1.6346841532618E+16
Surface area 311487071886.77
Circumference 989224.69476235

Square

Length = n
Perimeter 629760
Area 24787353600
Diagonal 222653.78326002

Cube

Length = n
Surface area 148724121600
Volume 3902520950784000
Space diagonal 272694.07914364

Equilateral Triangle

Length = n
Perimeter 472320
Area 10733238955.094
Altitude 136347.03957182

Triangular Pyramid

Length = n
Surface area 10733238955.094
Volume 4.5991650467032E+14
Height 74217.92775334