28079815140

Names of 28079815140

• Cardinal: 28079815140 can be written as Twenty-eight billion, seventy-nine million, eight hundred fifteen thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.807981514 × 10¹⁰

Factors of 28079815140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 605

Divisors of 28079815140

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 41 45 52 60 65 78 82 90 117 123 130 156 164 180 195 205 234 246 260 369 390 410 468 492 533 541 585 615 738 780 820 1066 1082 1170 1230 1476 1599 1623 1845 2132 2164 2340 2460 2665 2705 3198 3246 3690 4797 4869 5330 5410 6396 6492 7033 7380 7995 8115 9594 9738 10660 10820 14066 15990 16230 19188 19476 21099 22181 23985 24345 28132 31980 32460 35165 42198 44362 47970 48690 63297 66543 70330 84396 88724 95940 97380 105495 110905 126594 133086 140660 199629 210990 221810 253188 266172 288353 292681 316485 332715 399258 421980 443620 576706 585362 632970 665430 798516 865059 878043 998145 1153412 1170724 1265940 1330860 1441765 1463405 1730118 1756086 1996290 2595177 2634129 2883530 2926810 3460236 3512172 3804853 3992580 4325295 4390215 5190354 5268258 5767060 5853620 7609706 8650590 8780430 10380708 10536516 11414559 11999921 12975885 13170645 15219412 17301180 17560860 19024265 22829118 23999842 25951770 26341290 34243677 35999763 38048530 45658236 47999684 51903540 52682580 57072795 59999605 68487354 71999526 76097060 107999289 114145590 119999210 136974708 143999052 155998973 171218385 179998815 215998578 228291180 239998420 311997946 342436770 359997630 431997156 467996919 539996445 623995892 684873540 719995260 779994865 935993838 1079992890 1403990757 1559989730 1871987676 2159985780 2339984595 2807981514 3119979460 4679969190 5615963028 7019953785 9359938380 14039907570 28079815140
• Sum of all divisors σ(n): 94138657704
• Sum of proper divisors (its aliquot sum) s(n): 66058842564
• 28079815140 is an abundant number, because the sum of its proper divisors (66058842564) is greater than itself. Its abundance is 37979027424

Bases of 28079815140

• Binary: 11010001001101011111111100111100100₂
• Hexadecimal: 0x689AFF9E4
• Base-36: CWDZW10

Squares and roots of 28079815140

• 28079815140 squared (28079815140²) is 788476018296573219600
• 28079815140 cubed (28079815140³) is 22140260836091033701842624744000
• The square root of 28079815140 is 167570.3289368379
• The cube root of 28079815140 is 3039.4715414799

Scales and comparisons

• 28,079,815,140 seconds is equal to 892 years, 44 weeks, 1 day, 20 hours, 39 minutes.
• To count from 1 to 28,079,815,140 would take you about one thousand, seven hundred eighty-five 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 28079815140 cubic inches would be around 253.3 feet tall.

Recreational maths with 28079815140

• 28079815140 backwards is 04151897082
• 28079815140 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28079815140's digits is 45
• More coming soon!