1681605090

Names of 1681605090

• Cardinal: 1681605090 can be written as One billion, six hundred eighty-one million, six hundred five thousand and ninety.

Scientific notation

• Scientific notation: 1.68160509 × 10⁹

Factors of 1681605090

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2783

Divisors of 1681605090

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 90 99 110 135 165 198 223 270 297 330 446 495 594 669 990 1115 1338 1485 2007 2230 2453 2539 2970 3345 4014 4906 5078 6021 6690 7359 7617 10035 12042 12265 12695 14718 15234 20070 22077 22851 24530 25390 27929 30105 36795 38085 44154 45702 55858 60210 66231 68553 73590 76170 83787 110385 114255 132462 137106 139645 167574 220770 228510 251361 279290 331155 342765 418935 502722 566197 662310 685530 754083 837870 1132394 1256805 1508166 1698591 2513610 2830985 3397182 3770415 5095773 5661970 6228167 7540830 8492955 10191546 12456334 15287319 16985910 18684501 25478865 30574638 31140835 37369002 50957730 56053503 62281670 76436595 93422505 112107006 152873190 168160509 186845010 280267515 336321018 560535030 840802545 1681605090
• Sum of all divisors σ(n): 4915814400
• Sum of proper divisors (its aliquot sum) s(n): 3234209310
• 1681605090 is an abundant number, because the sum of its proper divisors (3234209310) is greater than itself. Its abundance is 1552604220

Bases of 1681605090

• Binary: 1100100001110110100000111100010₂
• Hexadecimal: 0x643B41E2
• Base-36: RT6MSI

Squares and roots of 1681605090

• 1681605090 squared (1681605090²) is 2827795678713908100
• 1681605090 cubed (1681605090³) is 4755235606805312514752229000
• The square root of 1681605090 is 41007.3784824147
• The cube root of 1681605090 is 1189.1628624941

Scales and comparisons

• 1,681,605,090 seconds is equal to 53 years, 24 weeks, 3 days, 31 minutes, 30 seconds.
• To count from 1 to 1,681,605,090 would take you about one hundred six 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 1681605090 cubic inches would be around 99.1 feet tall.

Recreational maths with 1681605090

• 1681605090 backwards is 0905061861
• The number of decimal digits it has is: 10
• The sum of 1681605090's digits is 36
• More coming soon!