161816130

Names of 161816130

• Cardinal: 161816130 can be written as One hundred sixty-one million, eight hundred sixteen thousand, one hundred thirty.

Scientific notation

• Scientific notation: 1.6181613 × 10⁸

Factors of 161816130

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 168

Divisors of 161816130

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 49 54 63 70 81 90 98 105 126 135 147 151 162 189 210 243 245 270 294 302 315 378 405 441 453 486 490 567 630 729 735 755 810 882 906 945 1057 1134 1215 1323 1359 1458 1470 1510 1701 1890 2114 2187 2205 2265 2430 2646 2718 2835 3171 3402 3645 3969 4077 4374 4410 4530 5103 5285 5670 6342 6615 6795 7290 7399 7938 8154 8505 9513 10206 10570 10935 11907 12231 13230 13590 14798 15309 15855 17010 19026 19845 20385 21870 22197 23814 24462 25515 28539 30618 31710 35721 36693 36995 39690 40770 44394 47565 51030 57078 59535 61155 66591 71442 73386 73990 76545 85617 95130 107163 110079 110985 119070 122310 133182 142695 153090 171234 178605 183465 199773 214326 220158 221970 256851 285390 330237 332955 357210 366930 399546 428085 513702 535815 550395 599319 660474 665910 770553 856170 998865 1071630 1100790 1198638 1284255 1541106 1651185 1797957 1997730 2311659 2568510 2996595 3302370 3595914 3852765 4623318 5393871 5993190 7705530 8989785 10787742 11558295 16181613 17979570 23116590 26969355 32363226 53938710 80908065 161816130
• Sum of all divisors σ(n): 511522560
• Sum of proper divisors (its aliquot sum) s(n): 349706430
• 161816130 is an abundant number, because the sum of its proper divisors (349706430) is greater than itself. Its abundance is 187890300

Bases of 161816130

• Binary: 1001101001010001111001000010₂
• Hexadecimal: 0x9A51E42
• Base-36: 2OCA4I

Squares and roots of 161816130

• 161816130 squared (161816130²) is 26184459928176900
• 161816130 cubed (161816130³) is 4237067971717663913397000
• The square root of 161816130 is 12720.6969148707
• The cube root of 161816130 is 544.9298565845

Scales and comparisons

• 161,816,130 seconds is equal to 5 years, 7 weeks, 3 days, 20 hours, 55 minutes, 30 seconds.
• To count from 1 to 161,816,130 would take you about seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 161816130 cubic inches would be around 45.4 feet tall.

Recreational maths with 161816130

• 161816130 backwards is 031618161
• 161816130 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 161816130's digits is 27
• More coming soon!