161801970 (number)

161801970 is an even 9-digits composite number following 161801969 and preceding 161801971. In scientific notation, it is written as 1.61801970 × 10^8. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 39224640 positive integers (up to 161801970) that are relatively prime to 161801970.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million eight hundred one thousand nine hundred seventy

Notation

Scientific notation 1.61801970 × 10^8
Engineering notation 1.61801970 × 10^6

Prime Factorization of 161801970

Prime Factorization 2 × 5 × 3 × 11 × 490309

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 161801970
Product of the distinct prime numbers

The prime factorization of 161801970 is 2 × 5 × 3 × 11 × 490309. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 6, 54, 93, 604, 620, 2698, 9543, 93022, 28746, 217048, 253448, 3743644, 2706454, 34804174, 35102598, 366353560, 495081321, 2190644341, 269909208

Basic calculations (n = 161801970)

Multiplication

n×y
n×2 323603940
n×3 485405910
n×4 647207880
n×5 809009850

Division

n÷y
n÷2 80900985
n÷3 53933990
n÷3 40450492.5
n÷5 32360394

Exponentiation

ny
n2 26179877495880900
n3 4.2359557531922E+24
n4 6.8538598569933E+32
n5 1.1089680269654E+41

Nth Root

y√n
2√n 12720.140329415
3√n 544.91396111128
4√n 112.78359955869
5√n 43.832552434477

Divisors of 161801970

1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 490309, 980618, 1470927, 2451545, 2941854, 4903090, 5393399, 7354635, 10786798, 14709270, 16180197, 26966995, 32360394, 53933990, 80900985, 161801970

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 -161801969
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 161801970 can be divided by 32 positive divisors. The sum of these divisors (counting 161801970) is 1, the average is 0.03125.

Base conversion 161801970

Base System Value
2 Binary 1001101001001110011011110010
3 Ternary 102021110101120120
4 Quaternary 21221032123302
5 Quinary 312410130340
6 Senary 24015551110
8 Octal 1151163362
10 Decimal 161801970
12 Duodecimal 4622b496
16 Hexadecimal 9a4e6f2
20 Vigesimal 2ab54ia
36 Base36 2obz76

Cryptographic Hash Functions

md5 4fb5e9cb202b0380cd1138096ed8500a
sha1 d56d9ff6edecefef8446aa9f1660a3385759b49b
sha256 72fef2e047f77a66a5e9e296b74fceec045eac89c907fb85f6098065cfa5f81c
sha512 addca3d65044162ef0332660ee38084cdf351e4a1a9a918878dac82164e72bab23553bb081416853459b293845d08bd81052bd0c787ec726c8fe30b428ee970e
ripemd-160 0cb44c5a87eed982ae639a9d9b25213b1271b25e

161801970 as geometric shapes

Circle

Radius = n
Diameter 323603940
Circumference 1016631760.5767
Area 8.224651081294E+16

Sphere

Radius = n
Volume 1.774352996688E+25
Surface area 3.2898604325176E+17
Circumference 1016631760.5767

Square

Length = n
Perimeter 647207880
Area 26179877495880900
Diagonal 228822540.39268

Cube

Length = n
Surface area 157079264975285400
Volume 4.2359557531922E+24
Space diagonal 280249232.80474

Equilateral Triangle

Length = n
Perimeter 485405910
Area 1.1336219489699E+16
Altitude 140124616.40237

Triangular Pyramid

Length = n
Surface area 1.1336219489699E+16
Volume 4.992121729814E+23
Height 76274180.130895