157031487 (number)

157031487 is an odd 9-digits composite number following 157031486 and preceding 157031488. In scientific notation, it is written as 1.57031487 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 8 positive divisors. There are 104687640 positive integers (up to 157031487) that are relatively prime to 157031487.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million thirty-one thousand four hundred eighty-seven

Notation

Scientific notation 1.57031487 × 10^8
Engineering notation 1.57031487 × 10^6

Prime Factorization of 157031487

Prime Factorization 3 × 3 × 3 × 5815981

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 17447943
Product of the distinct prime numbers

The prime factorization of 157031487 is 3 × 3 × 3 × 5815981. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157031487)

Multiplication

n×y
n×2 314062974
n×3 471094461
n×4 628125948
n×5 785157435

Division

n÷y
n÷2 78515743.5
n÷3 52343829
n÷3 39257871.75
n÷5 31406297.4

Exponentiation

ny
n2 24658887909431169
n3 3.8722218361843E+24
n4 6.0806075292989E+32
n5 9.548468421892E+40

Nth Root

y√n
2√n 12531.220491237
3√n 539.50513305218
4√n 111.94293408356
5√n 43.570982050091

Divisors of 157031487

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 -157031486
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 157031487 can be divided by 8 positive divisors. The sum of these divisors (counting 157031487) is 1, the average is 0.125.

Base conversion 157031487

Base System Value
2 Binary 1001010111000001110000111111
3 Ternary 101221111000201000
4 Quaternary 21113001300333
5 Quinary 310200001422
6 Senary 23325421343
8 Octal 1127016077
10 Decimal 157031487
12 Duodecimal 4470a853
16 Hexadecimal 95c1c3f
20 Vigesimal 2918ie7
36 Base36 2lhq9r

Cryptographic Hash Functions

md5 fd847eefab9ef7d6bd01676ed92ecdfe
sha1 04261eefa81f386ecbbfb20ea58c1568ecdf4f43
sha256 dc624c27efe3ca5a8a72738728723379d2dd738d8cef54e6e9e8fdf000c5d2ce
sha512 d23c4124de12f57be66f5e87dc2c595fa96b9801fb24f805d54abf80c8ddb1b7018edd8b165c15eb50d81e8f3b220801c27e5b56cccaaa22e3b64a6df7f985d3
ripemd-160 69fb5686218e1529fa19320b14885f555b62414b

157031487 as geometric shapes

Circle

Radius = n
Diameter 314062974
Circumference 986657931.88296
Area 7.7468181101963E+16

Sphere

Radius = n
Volume 1.6219924898169E+25
Surface area 3.0987272440785E+17
Circumference 986657931.88296

Square

Length = n
Perimeter 628125948
Area 24658887909431169
Diagonal 222076058.63501

Cube

Length = n
Surface area 147953327456587014
Volume 3.8722218361843E+24
Space diagonal 271986513.87209

Equilateral Triangle

Length = n
Perimeter 471094461
Area 1.067761167932E+16
Altitude 135993256.93605

Triangular Pyramid

Length = n
Surface area 1.067761167932E+16
Volume 4.5634571977076E+23
Height 74025352.878338