4000969728

Names of 4000969728

• Cardinal: 4000969728 can be written as Four billion, nine hundred sixty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.000969728 × 10⁹

Factors of 4000969728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 2309

Divisors of 4000969728

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 128 144 162 168 189 192 216 224 243 252 256 288 324 336 378 384 432 448 486 504 512 567 576 648 672 756 768 864 896 972 1008 1024 1134 1152 1296 1344 1512 1536 1701 1728 1792 1944 2016 2268 2297 2304 2592 2688 3024 3072 3402 3456 3584 3888 4032 4536 4594 4608 5184 5376 6048 6804 6891 6912 7168 7776 8064 9072 9188 9216 10368 10752 12096 13608 13782 13824 15552 16079 16128 18144 18376 20673 20736 21504 24192 27216 27564 27648 31104 32158 32256 36288 36752 41346 41472 48237 48384 54432 55128 62019 62208 64316 64512 72576 73504 82692 82944 96474 96768 108864 110256 124038 124416 128632 144711 145152 147008 165384 186057 192948 193536 217728 220512 248076 248832 257264 289422 290304 294016 330768 372114 385896 434133 435456 441024 496152 514528 558171 578844 580608 588032 661536 744228 771792 868266 870912 882048 992304 1029056 1116342 1157688 1176064 1302399 1323072 1488456 1543584 1736532 1741824 1764096 1984608 2058112 2232684 2315376 2352128 2604798 2646144 2976912 3087168 3473064 3528192 3907197 3969216 4116224 4465368 4630752 5209596 5292288 5953824 6174336 6946128 7056384 7814394 7938432 8232448 8930736 9261504 10419192 10584576 11907648 12348672 13892256 15628788 15876864 16464896 17861472 18523008 20838384 21169152 23815296 24697344 27784512 31257576 31753728 35722944 37046016 41676768 47630592 49394688 55569024 62515152 63507456 71445888 74092032 83353536 95261184 111138048 125030304 142891776 148184064 166707072 190522368 222276096 250060608 285783552 333414144 444552192 500121216 571567104 666828288 1000242432 1333656576 2000484864 4000969728
• Sum of all divisors σ(n): 13698065472
• Sum of proper divisors (its aliquot sum) s(n): 9697095744
• 4000969728 is an abundant number, because the sum of its proper divisors (9697095744) is greater than itself. Its abundance is 5696126016

Bases of 4000969728

• Binary: 11101110011110011111010000000000₂
• Hexadecimal: 0xEE79F400
• Base-36: 1U62O00

Squares and roots of 4000969728

• 4000969728 squared (4000969728²) is 16007758764372393984
• 4000969728 cubed (4000969728³) is 64046558229380633248873316352
• The square root of 4000969728 is 63253.2191117575
• The cube root of 4000969728 is 1587.5293205405

Scales and comparisons

• 4,000,969,728 seconds is equal to 127 years, 11 weeks, 2 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 4,000,969,728 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 4000969728 cubic inches would be around 132.3 feet tall.

Recreational maths with 4000969728

• 4000969728 backwards is 8279690004
• The number of decimal digits it has is: 10
• The sum of 4000969728's digits is 45
• More coming soon!