3994830720

Names of 3994830720

• Cardinal: 3994830720 can be written as Three billion, nine hundred ninety-four million, eight hundred thirty thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 3.99483072 × 10⁹

Factors of 3994830720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 180

Divisors of 3994830720

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 43 45 48 60 64 72 80 86 90 96 120 127 128 129 144 160 172 180 192 215 240 254 258 288 320 344 360 381 384 387 430 480 508 516 576 635 640 645 688 720 762 774 860 960 1016 1032 1143 1152 1270 1290 1376 1440 1524 1548 1720 1905 1920 1935 2032 2064 2286 2540 2580 2752 2880 3048 3096 3440 3810 3870 4064 4128 4572 5080 5160 5461 5504 5715 5760 6096 6192 6880 7620 7740 8128 8256 9144 10160 10320 10922 11430 12192 12384 13760 15240 15480 16129 16256 16383 16512 18288 20320 20640 21844 22860 24384 24768 27305 27520 30480 30960 32258 32766 36576 40640 41280 43688 45720 48387 48768 49149 49536 54610 60960 61920 64516 65532 73152 80645 81280 81915 82560 87376 91440 96774 98298 109220 121920 123840 129032 131064 145161 146304 161290 163830 174752 182880 193548 196596 218440 241935 243840 245745 247680 258064 262128 290322 322580 327660 349504 365760 387096 393192 436880 483870 491490 516128 524256 580644 645160 655320 693547 699008 725805 731520 774192 786384 873760 967740 982980 1032256 1048512 1161288 1290320 1310640 1387094 1451610 1548384 1572768 1747520 1935480 1965960 2064512 2080641 2097024 2322576 2580640 2621280 2774188 2903220 3096768 3145536 3467735 3495040 3870960 3931920 4161282 4645152 5161280 5242560 5548376 5806440 6193536 6241923 6291072 6935470 7741920 7863840 8322564 9290304 10322560 10403205 10485120 11096752 11612880 12483846 13870940 15483840 15727680 16645128 18580608 20806410 22193504 23225760 24967692 27741880 30967680 31209615 31455360 33290256 41612820 44387008 46451520 49935384 55483760 62419230 66580512 83225640 88774016 92903040 99870768 110967520 124838460 133161024 166451280 199741536 221935040 249676920 266322048 332902560 399483072 443870080 499353840 665805120 798966144 998707680 1331610240 1997415360 3994830720
• Sum of all divisors σ(n): 14227476120
• Sum of proper divisors (its aliquot sum) s(n): 10232645400
• 3994830720 is an abundant number, because the sum of its proper divisors (10232645400) is greater than itself. Its abundance is 6237814680

Bases of 3994830720

• Binary: 11101110000111000100011110000000₂
• Hexadecimal: 0xEE1C4780
• Base-36: 1U2F340

Squares and roots of 3994830720

• 3994830720 squared (3994830720²) is 15958672481455718400
• 3994830720 cubed (3994830720³) is 63752195079337934183989248000
• The square root of 3994830720 is 63204.6732449429
• The cube root of 3994830720 is 1586.7169471469

Scales and comparisons

• 3,994,830,720 seconds is equal to 127 years, 1 week, 1 day, 11 hours, 12 minutes.
• To count from 1 to 3,994,830,720 would take you about two hundred fifty-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 3994830720 cubic inches would be around 132.2 feet tall.

Recreational maths with 3994830720

• 3994830720 backwards is 0270384993
• 3994830720 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3994830720's digits is 45
• More coming soon!