2169840720

Names of 2169840720

• Cardinal: 2169840720 can be written as Two billion, one hundred sixty-nine million, eight hundred forty thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.16984072 × 10⁹

Factors of 2169840720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 671

Divisors of 2169840720

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 127 240 254 257 277 381 508 514 554 635 762 771 831 1016 1028 1108 1270 1285 1385 1524 1542 1662 1905 2032 2056 2216 2540 2570 2770 3048 3084 3324 3810 3855 4112 4155 4432 5080 5140 5540 6096 6168 6648 7620 7710 8310 10160 10280 11080 12336 13296 15240 15420 16620 20560 22160 30480 30840 32639 33240 35179 61680 65278 66480 70358 71189 97917 105537 130556 140716 142378 163195 175895 195834 211074 213567 261112 281432 284756 326390 351790 355945 391668 422148 427134 489585 522224 527685 562864 569512 652780 703580 711890 783336 844296 854268 979170 1055370 1067835 1139024 1305560 1407160 1423780 1566672 1688592 1708536 1958340 2110740 2135670 2611120 2814320 2847560 3417072 3916680 4221480 4271340 5695120 7833360 8442960 8542680 9041003 17085360 18082006 27123009 36164012 45205015 54246018 72328024 90410030 108492036 135615045 144656048 180820060 216984072 271230090 361640120 433968144 542460180 723280240 1084920360 2169840720
• Sum of all divisors σ(n): 6830419968
• Sum of proper divisors (its aliquot sum) s(n): 4660579248
• 2169840720 is an abundant number, because the sum of its proper divisors (4660579248) is greater than itself. Its abundance is 2490738528

Bases of 2169840720

• Binary: 10000001010101010010010001010000₂
• Hexadecimal: 0x81552450
• Base-36: ZVV7TC

Squares and roots of 2169840720

• 2169840720 squared (2169840720²) is 4708208750170118400
• 2169840720 cubed (2169840720³) is 10216063064379429831541248000
• The square root of 2169840720 is 46581.5491369707
• The cube root of 2169840720 is 1294.6209133741

Scales and comparisons

• 2,169,840,720 seconds is equal to 68 years, 51 weeks, 4 days, 21 hours, 32 minutes.
• To count from 1 to 2,169,840,720 would take you about one hundred thirty-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 2169840720 cubic inches would be around 107.9 feet tall.

Recreational maths with 2169840720

• 2169840720 backwards is 0270489612
• The number of decimal digits it has is: 10
• The sum of 2169840720's digits is 39
• More coming soon!