161838040500

Names of 161838040500

• Cardinal: 161838040500 can be written as One hundred sixty-one billion, eight hundred thirty-eight million, forty thousand, five hundred.

Scientific notation

• Scientific notation: 1.618380405 × 10¹¹

Factors of 161838040500

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2009

Divisors of 161838040500

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 81 90 100 108 125 135 150 162 180 225 250 270 300 324 375 405 450 500 540 675 750 810 900 1125 1350 1500 1620 1999 2025 2250 2700 3375 3998 4050 4500 5997 6750 7996 8100 9995 10125 11994 13500 17991 19990 20250 23988 29985 35982 39980 40500 49975 53973 59970 71964 89955 99950 107946 119940 149925 161919 179910 199900 215892 249875 269865 299850 323838 359820 449775 499750 539730 599700 647676 749625 809595 899550 999500 1079460 1349325 1499250 1619190 1799100 2248875 2698650 2998500 3238380 3996001 4047975 4497750 5397300 6746625 7992002 8095950 8995500 11988003 13493250 15984004 16191900 19980005 20239875 23976006 26986500 35964009 39960010 40479750 47952012 59940015 71928018 79920020 80959500 99900025 107892027 119880030 143856036 179820045 199800050 215784054 239760060 299700075 323676081 359640090 399600100 431568108 499500125 539460135 599400150 647352162 719280180 899100225 999000250 1078920270 1198800300 1294704324 1498500375 1618380405 1798200450 1998000500 2157840540 2697300675 2997000750 3236760810 3596400900 4495501125 5394601350 5994001500 6473521620 8091902025 8991002250 10789202700 13486503375 16183804050 17982004500 26973006750 32367608100 40459510125 53946013500 80919020250 161838040500
• Sum of all divisors σ(n): 528263868132
• Sum of proper divisors (its aliquot sum) s(n): 366425827632
• 161838040500 is an abundant number, because the sum of its proper divisors (366425827632) is greater than itself. Its abundance is 204587787132

Bases of 161838040500

• Binary: 10010110101110010011001000010110110100₂
• Hexadecimal: 0x25AE4C85B4
• Base-36: 22CI6V90

Squares and roots of 161838040500

• 161838040500 squared (161838040500²) is 26191551352879640250000
• 161838040500 cubed (161838040500³) is 4238789348605165010404930125000000
• The square root of 161838040500 is 402290.9898319871
• The cube root of 161838040500 is 5449.5445064433

Scales and comparisons

• 161,838,040,500 seconds is equal to 5,145 years, 49 weeks, 2 days, 11 hours, 15 minutes.
• To count from 1 to 161,838,040,500 would take you about ten thousand, two hundred ninety-one 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 161838040500 cubic inches would be around 454.1 feet tall.

Recreational maths with 161838040500

• 161838040500 backwards is 005040838161
• 161838040500 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 161838040500's digits is 36
• More coming soon!