157989905 (number)

157989905 is an odd 9-digits composite number following 157989904 and preceding 157989906. In scientific notation, it is written as 1.57989905 × 10^8. The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors. There are 123242112 positive integers (up to 157989905) that are relatively prime to 157989905.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million nine hundred eighty-nine thousand nine hundred five

Notation

Scientific notation 1.57989905 × 10^8
Engineering notation 1.57989905 × 10^6

Prime Factorization of 157989905

Prime Factorization 5 × 127 × 59 × 4217

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 157989905
Product of the distinct prime numbers

The prime factorization of 157989905 is 5 × 127 × 59 × 4217. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 6, 77, 63, 912, 870, 614, 6529, 64158, 31812, 764743, 288665, 2041827, 6890934, 41819079, 60237897, 742431874, 489187391, 2184413625, 7924352012

Basic calculations (n = 157989905)

Multiplication

n×y
n×2 315979810
n×3 473969715
n×4 631959620
n×5 789949525

Division

n÷y
n÷2 78994952.5
n÷3 52663301.666667
n÷3 39497476.25
n÷5 31597981

Exponentiation

ny
n2 24960810081909025
n3 3.9435560135638E+24
n4 6.2304203994513E+32
n5 9.8434352701937E+40

Nth Root

y√n
2√n 12569.403526023
3√n 540.60050366247
4√n 112.11335123893
5√n 43.624038462654

Divisors of 157989905

1, 5, 59, 127, 295, 635, 4217, 7493, 21085, 37465, 248803, 535559, 1244015, 2677795, 31597981, 157989905

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157989904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157989905 can be divided by 16 positive divisors. The sum of these divisors (counting 157989905) is 1, the average is 0.0625.

Base conversion 157989905

Base System Value
2 Binary 1001011010101011110000010001
3 Ternary 102000021201101222
4 Quaternary 21122223300101
5 Quinary 310421134110
6 Senary 23402134425
8 Octal 1132536021
10 Decimal 157989905
12 Duodecimal 44ab1415
16 Hexadecimal 96abc11
20 Vigesimal 2978ef5
36 Base36 2m29sh

Cryptographic Hash Functions

md5 43e5a39e102de96a5ea5c0731a74f343
sha1 f30695cb642cde0d2c3fc1a8aa1ebf35dc5703c8
sha256 6b107323a52d367e6d8fec3ac0c5dc70a394d34f4f65c9b5ee6ad8ed4408b0f6
sha512 6342f78688b6d53e764cc302883ca293605f889125710427fd4b5b208a7bcc6f0a6680a8d69568723e41aadbae69ba4ee843501a33b78994ce1b5eeb85581035
ripemd-160 fdea264a68a065a7d78f41457698eeb736f601c5

157989905 as geometric shapes

Circle

Radius = n
Diameter 315979810
Circumference 992679849.7787
Area 7.8416697580975E+16

Sphere

Radius = n
Volume 1.6518728801643E+25
Surface area 3.136667903239E+17
Circumference 992679849.7787

Square

Length = n
Perimeter 631959620
Area 24960810081909025
Diagonal 223431466.36904

Cube

Length = n
Surface area 149764860491454150
Volume 3.9435560135638E+24
Space diagonal 273646542.54298

Equilateral Triangle

Length = n
Perimeter 473969715
Area 1.0808347814986E+16
Altitude 136823271.27149

Triangular Pyramid

Length = n
Surface area 1.0808347814986E+16
Volume 4.6475253319666E+23
Height 74477155.456346