161984907 (number)

161984907 is an odd 9-digits composite number following 161984906 and preceding 161984908. In scientific notation, it is written as 1.61984907 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 89361792 positive integers (up to 161984907) that are relatively prime to 161984907.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million nine hundred eighty-four thousand nine hundred seven

Notation

Scientific notation 1.61984907 × 10^8
Engineering notation 1.61984907 × 10^6

Prime Factorization of 161984907

Prime Factorization 3 × 157 × 63 × 53 × 103

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 161984907
Product of the distinct prime numbers

The prime factorization of 161984907 is 3 × 157 × 63 × 53 × 103. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 4, 89, 83, 32, 931, 6165, 8713, 79271, 70338, 917986, 505496, 7811296, 1414258, 80650324, 41561232, 403831533, 551105690, 4488028818, 8330574097

Basic calculations (n = 161984907)

Multiplication

n×y
n×2 323969814
n×3 485954721
n×4 647939628
n×5 809924535

Division

n÷y
n÷2 80992453.5
n÷3 53994969
n÷3 40496226.75
n÷5 32396981.4

Exponentiation

ny
n2 26239110095798649
n3 4.2503398086307E+24
n4 6.8849089861944E+32
n5 1.1152513418322E+41

Nth Root

y√n
2√n 12727.329138511
3√n 545.119247817
4√n 112.81546497937
5√n 43.842459571825

Divisors of 161984907

1, 3, 53, 63, 103, 157, 159, 189, 309, 471, 3339, 5459, 6489, 8321, 9891, 10017, 16171, 16377, 19467, 24963, 29673, 48513, 343917, 524223, 857063, 1018773, 1031751, 1572669, 2571189, 3056319, 53994969, 161984907

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 -161984906
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 161984907 can be divided by 32 positive divisors. The sum of these divisors (counting 161984907) is 1, the average is 0.03125.

Base conversion 161984907

Base System Value
2 Binary 1001101001111011000110001011
3 Ternary 102021210200112000
4 Quaternary 21221323012023
5 Quinary 312432004112
6 Senary 24023522043
8 Octal 1151730613
10 Decimal 161984907
12 Duodecimal 462b9323
16 Hexadecimal 9a7b18b
20 Vigesimal 2ac8257
36 Base36 2ofwcr

Cryptographic Hash Functions

md5 760c7a5069198a9d02dcc6479835b45a
sha1 d7be1d9dac8a3abcb41893fd4b0f023bcccfe799
sha256 be5f92594650fedf86928677c23129da24e9ed3669f92ea8b20f9ae0849411fc
sha512 999c45fd9905eb1242a68e6f38fcc4859e8a39a2872884350f872a13ab02d35e04cbad953e676ebe20071d34300a568934a1d77f43308443ce4c9c9f261f5280
ripemd-160 cda9755ff6c5a07431dbde959b5d2454d7f413e4

161984907 as geometric shapes

Circle

Radius = n
Diameter 323969814
Circumference 1017781187.6473
Area 8.2432595513695E+16

Sphere

Radius = n
Volume 1.7803781757406E+25
Surface area 3.2973038205478E+17
Circumference 1017781187.6473

Square

Length = n
Perimeter 647939628
Area 26239110095798649
Diagonal 229081252.37914

Cube

Length = n
Surface area 157434660574791894
Volume 4.2503398086307E+24
Space diagonal 280566088.98332

Equilateral Triangle

Length = n
Perimeter 485954721
Area 1.1361867957829E+16
Altitude 140283044.49166

Triangular Pyramid

Length = n
Surface area 1.1361867957829E+16
Volume 5.0090735017165E+23
Height 76360417.459715