155129621 (number)

155129621 is an odd 9-digits composite number following 155129620 and preceding 155129622. In scientific notation, it is written as 1.55129621 × 10^8. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 153997152 positive integers (up to 155129621) that are relatively prime to 155129621.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million one hundred twenty-nine thousand six hundred twenty-one

Notation

Scientific notation 1.55129621 × 10^8
Engineering notation 1.55129621 × 10^6

Prime Factorization of 155129621

Prime Factorization 137 × 1132333

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 155129621
Product of the distinct prime numbers

The prime factorization of 155129621 is 137 × 1132333. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 5, 21, 20, 420, 566, 932, 8448, 72914, 60691, 746135, 26075, 9683265, 8449955, 77620421, 7685177, 677935779, 25737210, 6911158684, 2283008941

Basic calculations (n = 155129621)

Multiplication

n×y
n×2 310259242
n×3 465388863
n×4 620518484
n×5 775648105

Division

n÷y
n÷2 77564810.5
n÷3 51709873.666667
n÷3 38782405.25
n÷5 31025924.2

Exponentiation

ny
n2 24065199311603641
n3 3.7332252484985E+24
n4 5.7913381790721E+32
n5 8.9840809680228E+40

Nth Root

y√n
2√n 12455.104214739
3√n 537.31823210205
4√n 111.60243821144
5√n 43.464926172762

Divisors of 155129621

1, 137, 1132333, 155129621

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -155129620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 155129621 can be divided by 4 positive divisors. The sum of these divisors (counting 155129621) is 1, the average is 0.25.

Base conversion 155129621

Base System Value
2 Binary 1001001111110001011100010101
3 Ternary 101210220101211112
4 Quaternary 21033301130111
5 Quinary 304203121441
6 Senary 23220544405
8 Octal 1117613425
10 Decimal 155129621
12 Duodecimal 43b52105
16 Hexadecimal 93f1715
20 Vigesimal 289b411
36 Base36 2kcys5

Cryptographic Hash Functions

md5 67edc9393abbe478ed4c7644d55ec5d6
sha1 dc7e33a008e770bf182aeb6fd66b6afe38827e24
sha256 07a1b4d974850ed1d49efeaaee3554bc51df52b29e04d704c85c87e1a53ef6b4
sha512 496d4a0d5e4777c8a998cedec7a4849ad28d18fba2ed598a179820ccd79a5c968121cfe9144ab93bd0a3c3bae90a5d30bd2a871e51f53f21f84487adfa67ee3b
ripemd-160 54c0da6314651e632f0e1994a35edd60ac87e5f2

155129621 as geometric shapes

Circle

Radius = n
Diameter 310259242
Circumference 974708155.37554
Area 7.5603053364508E+16

Sphere

Radius = n
Volume 1.5637697353172E+25
Surface area 3.0241221345803E+17
Circumference 974708155.37554

Square

Length = n
Perimeter 620518484
Area 24065199311603641
Diagonal 219386413.944

Cube

Length = n
Surface area 144391195869621846
Volume 3.7332252484985E+24
Space diagonal 268692385.3309

Equilateral Triangle

Length = n
Perimeter 465388863
Area 1.0420536975492E+16
Altitude 134346192.66545

Triangular Pyramid

Length = n
Surface area 1.0420536975492E+16
Volume 4.3996481481836E+23
Height 73128804.647999