1399831840

Names of 1399831840

• Cardinal: 1399831840 can be written as One billion, three hundred ninety-nine million, eight hundred thirty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.39983184 × 10⁹

Factors of 1399831840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1099

Divisors of 1399831840

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 11 16 19 20 22 32 38 40 41 44 55 76 80 82 88 95 110 152 160 164 176 190 205 209 220 304 328 352 380 410 418 440 451 608 656 760 779 820 836 880 902 1021 1045 1312 1520 1558 1640 1672 1760 1804 2042 2090 2255 3040 3116 3280 3344 3608 3895 4084 4180 4510 5105 6232 6560 6688 7216 7790 8168 8360 8569 9020 10210 11231 12464 14432 15580 16336 16720 17138 18040 19399 20420 22462 24928 31160 32672 33440 34276 36080 38798 40840 41861 42845 44924 56155 62320 68552 72160 77596 81680 83722 85690 89848 96995 112310 124640 137104 155192 163360 167444 171380 179696 193990 209305 213389 224620 274208 310384 334888 342760 359392 387980 418610 426778 449240 460471 620768 669776 685520 775960 795359 837220 853556 898480 920942 1066945 1339552 1371040 1551920 1590718 1674440 1707112 1796960 1841884 2133890 2302355 3103840 3181436 3348880 3414224 3683768 3976795 4267780 4604710 6362872 6697760 6828448 7367536 7953590 8535560 8748949 9209420 12725744 14735072 15907180 17071120 17497898 18418840 25451488 31814360 34142240 34995796 36837680 43744745 63628720 69991592 73675360 87489490 127257440 139983184 174978980 279966368 349957960 699915920 1399831840
• Sum of all divisors σ(n): 3894065280
• Sum of proper divisors (its aliquot sum) s(n): 2494233440
• 1399831840 is an abundant number, because the sum of its proper divisors (2494233440) is greater than itself. Its abundance is 1094401600

Bases of 1399831840

• Binary: 1010011011011111011110100100000₂
• Hexadecimal: 0x536FBD20
• Base-36: N5F95S

Squares and roots of 1399831840

• 1399831840 squared (1399831840²) is 1959529180277785600
• 1399831840 cubed (1399831840³) is 2743011337961944327573504000
• The square root of 1399831840 is 37414.3266677351
• The cube root of 1399831840 is 1118.6441501135

Scales and comparisons

• 1,399,831,840 seconds is equal to 44 years, 26 weeks, 3 days, 18 hours, 10 minutes, 40 seconds.
• To count from 1 to 1,399,831,840 would take you about eighty-nine 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 1399831840 cubic inches would be around 93.2 feet tall.

Recreational maths with 1399831840

• 1399831840 backwards is 0481389931
• The number of decimal digits it has is: 10
• The sum of 1399831840's digits is 46
• More coming soon!