3987242220

Names of 3987242220

• Cardinal: 3987242220 can be written as Three billion, nine hundred eighty-seven million, two hundred forty-two thousand, two hundred twenty.

Scientific notation

• Scientific notation: 3.98724222 × 10⁹

Factors of 3987242220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1202

Divisors of 3987242220

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 17 20 26 30 34 39 51 52 60 65 68 78 85 102 130 156 170 195 204 221 255 260 340 389 390 442 510 663 773 778 780 884 1020 1105 1167 1326 1546 1556 1945 2210 2319 2334 2652 3092 3315 3865 3890 4420 4638 4668 5057 5835 6613 6630 7730 7780 9276 10049 10114 11595 11670 13141 13226 13260 15171 15460 19839 20098 20228 23190 23340 25285 26282 26452 30147 30342 33065 39423 39678 40196 46380 50245 50570 52564 60294 60684 65705 66130 75855 78846 79356 85969 99195 100490 101140 120588 131410 132260 150735 151710 157692 170833 171938 197115 198390 200980 257907 262820 300697 301470 303420 341666 343876 394230 396780 429845 512499 515814 601394 602940 683332 788460 854165 859690 902091 1024998 1031628 1202788 1289535 1503485 1708330 1719380 1804182 2049996 2562495 2579070 3006970 3416660 3608364 3909061 4510455 5111849 5124990 5158140 6013940 7818122 9020910 10223698 10249980 11727183 15335547 15636244 18041820 19545305 20447396 23454366 25559245 30671094 39090610 46908732 51118490 58635915 61342188 66454037 76677735 78181220 102236980 117271830 132908074 153355470 199362111 234543660 265816148 306710940 332270185 398724222 664540370 797448444 996810555 1329080740 1993621110 3987242220
• Sum of all divisors σ(n): 12779544960
• Sum of proper divisors (its aliquot sum) s(n): 8792302740
• 3987242220 is an abundant number, because the sum of its proper divisors (8792302740) is greater than itself. Its abundance is 4805060520

Bases of 3987242220

• Binary: 11101101101010000111110011101100₂
• Hexadecimal: 0xEDA87CEC
• Base-36: 1TXWFSC

Squares and roots of 3987242220

• 3987242220 squared (3987242220²) is 15898100520950528400
• 3987242220 cubed (3987242220³) is 63389577614937941367789048000
• The square root of 3987242220 is 63144.6135470001
• The cube root of 3987242220 is 1585.7116117849

Scales and comparisons

• 3,987,242,220 seconds is equal to 126 years, 40 weeks, 4 days, 15 hours, 17 minutes.
• To count from 1 to 3,987,242,220 would take you about two hundred fifty-three 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 3987242220 cubic inches would be around 132.1 feet tall.

Recreational maths with 3987242220

• 3987242220 backwards is 0222427893
• 3987242220 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3987242220's digits is 39
• More coming soon!