3840128640

Names of 3840128640

• Cardinal: 3840128640 can be written as Three billion, eight hundred forty million, one hundred twenty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.84012864 × 10⁹

Factors of 3840128640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 39244

Divisors of 3840128640

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 32 34 36 40 45 48 51 60 64 68 72 80 85 90 96 102 120 128 136 144 153 160 170 180 192 204 240 255 272 288 306 320 340 360 384 408 480 510 544 576 612 640 680 720 765 816 960 1020 1088 1152 1224 1360 1440 1530 1632 1920 2040 2176 2448 2720 2880 3060 3264 4080 4896 5440 5760 6120 6528 8160 9792 10880 12240 16320 19584 24480 32640 39217 48960 78434 97920 117651 156868 196085 235302 313736 352953 392170 470604 588255 627472 666689 705906 784340 941208 1176510 1254944 1333378 1411812 1568680 1764765 1882416 2000067 2353020 2509888 2666756 2823624 3137360 3333445 3529530 3764832 4000134 4706040 5019776 5333512 5647248 6000201 6274720 6666890 7059060 7529664 8000268 9412080 10000335 10667024 11294496 12000402 12549440 13333780 14118120 15059328 16000536 18824160 20000670 21334048 22588992 24000804 25098880 26667560 28236240 30001005 32001072 37648320 40001340 42668096 45177984 48001608 53335120 56472480 60002010 64002144 75296640 80002680 85336192 96003216 106670240 112944960 120004020 128004288 160005360 192006432 213340480 225889920 240008040 256008576 320010720 384012864 426680960 480016080 640021440 768025728 960032160 1280042880 1920064320 3840128640
• Sum of all divisors σ(n): 14040828360
• Sum of proper divisors (its aliquot sum) s(n): 10200699720
• 3840128640 is an abundant number, because the sum of its proper divisors (10200699720) is greater than itself. Its abundance is 6360571080

Bases of 3840128640

• Binary: 11100100111000111011011010000000₂
• Hexadecimal: 0xE4E3B680
• Base-36: 1RIBA80

Squares and roots of 3840128640

• 3840128640 squared (3840128640²) is 14746587971748249600
• 3840128640 cubed (3840128640³) is 56628794812589964158828544000
• The square root of 3840128640 is 61968.7714901625
• The cube root of 3840128640 is 1565.9645426811

Scales and comparisons

• 3,840,128,640 seconds is equal to 122 years, 5 weeks, 2 days, 22 hours, 24 minutes.
• To count from 1 to 3,840,128,640 would take you about two hundred forty-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 3840128640 cubic inches would be around 130.5 feet tall.

Recreational maths with 3840128640

• 3840128640 backwards is 0468210483
• 3840128640 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3840128640's digits is 36
• More coming soon!