1399888980

Names of 1399888980

• Cardinal: 1399888980 can be written as One billion, three hundred ninety-nine million, eight hundred eighty-eight thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.39988898 × 10⁹

Factors of 1399888980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 41166

Divisors of 1399888980

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 108 126 135 140 162 180 189 210 243 252 270 315 324 378 405 420 486 540 567 630 756 810 945 972 1134 1215 1260 1620 1701 1890 2268 2430 2835 3402 3780 4860 5670 6804 8505 11340 17010 34020 41149 82298 123447 164596 205745 246894 288043 370341 411490 493788 576086 617235 740682 822980 864129 1111023 1152172 1234470 1440215 1481364 1728258 1851705 2222046 2468940 2592387 2880430 3333069 3456516 3703410 4320645 4444092 5184774 5555115 5760860 6666138 7406820 7777161 8641290 9999207 10369548 11110230 12961935 13332276 15554322 16665345 17282580 19998414 22220460 23331483 25923870 31108644 33330690 38885805 39996828 46662966 49996035 51847740 66661380 69994449 77771610 93325932 99992070 116657415 139988898 155543220 199984140 233314830 279977796 349972245 466629660 699944490 1399888980
• Sum of all divisors σ(n): 5032809600
• Sum of proper divisors (its aliquot sum) s(n): 3632920620
• 1399888980 is an abundant number, because the sum of its proper divisors (3632920620) is greater than itself. Its abundance is 2233031640

Bases of 1399888980

• Binary: 1010011011100001001110001010100₂
• Hexadecimal: 0x53709C54
• Base-36: N5GH90

Squares and roots of 1399888980

• 1399888980 squared (1399888980²) is 1959689156325440400
• 1399888980 cubed (1399888980³) is 2743347254165481309606792000
• The square root of 1399888980 is 37415.0902711727
• The cube root of 1399888980 is 1118.6593706221

Scales and comparisons

• 1,399,888,980 seconds is equal to 44 years, 26 weeks, 4 days, 10 hours, 3 minutes.
• To count from 1 to 1,399,888,980 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 1399888980 cubic inches would be around 93.2 feet tall.

Recreational maths with 1399888980

• 1399888980 backwards is 0898889931
• 1399888980 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1399888980's digits is 63
• More coming soon!