216447988890

Names of 216447988890

• Cardinal: 216447988890 can be written as Two hundred sixteen billion, four hundred forty-seven million, nine hundred eighty-eight thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 2.1644798889 × 10¹¹

Factors of 216447988890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 220388

Divisors of 216447988890

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 31 35 42 62 70 93 105 151 155 186 210 217 302 310 434 453 465 651 755 906 930 1057 1085 1302 1510 2114 2170 2265 3171 3255 4530 4681 5285 6342 6510 9362 10570 14043 15855 23405 28086 31710 32767 46810 65534 70215 98301 140430 163835 196602 220189 327670 440378 491505 660567 983010 1100945 1321134 1541323 2201890 3082646 3302835 4623969 6605670 6825859 7706615 9247938 13651718 15413230 20477577 23119845 33248539 34129295 40955154 46239690 47781013 66497078 68258590 95562026 99745617 102387885 143343039 166242695 199491234 204775770 232739773 238905065 286686078 332485390 465479546 477810130 498728085 698219319 716715195 997456170 1030704709 1163698865 1396438638 1433430390 2061409418 2327397730 3092114127 3491096595 5153523545 6184228254 6982193190 7214932963 10307047090 14429865926 15460570635 21644798889 30921141270 36074664815 43289597778 72149329630 108223994445 216447988890
• Sum of all divisors σ(n): 616898396160
• Sum of proper divisors (its aliquot sum) s(n): 400450407270
• 216447988890 is an abundant number, because the sum of its proper divisors (400450407270) is greater than itself. Its abundance is 184002418380

Bases of 216447988890

• Binary: 11001001100101010011100011010010011010₂
• Hexadecimal: 0x32654E349A
• Base-36: 2RFNJL3U

Squares and roots of 216447988890

• 216447988890 squared (216447988890²) is 46849731894525563432100
• 216447988890 cubed (216447988890³) is 10140530248605747805572171069369000
• The square root of 216447988890 is 465239.7112134777
• The cube root of 216447988890 is 6004.1451808641

Scales and comparisons

• 216,447,988,890 seconds is equal to 6,882 years, 19 weeks, 4 days, 1 hour, 21 minutes, 30 seconds.
• To count from 1 to 216,447,988,890 would take you about thirteen thousand, seven hundred sixty-four 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 216447988890 cubic inches would be around 500.3 feet tall.

Recreational maths with 216447988890

• 216447988890 backwards is 098889744612
• The number of decimal digits it has is: 12
• The sum of 216447988890's digits is 66
• More coming soon!