27991249020

Names of 27991249020

• Cardinal: 27991249020 can be written as Twenty-seven billion, nine hundred ninety-one million, two hundred forty-nine thousand and twenty.

Scientific notation

• Scientific notation: 2.799124902 × 10¹⁰

Factors of 27991249020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 26703

Divisors of 27991249020

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 17 18 20 21 28 30 34 35 36 42 45 49 51 60 63 68 70 84 85 90 98 102 105 119 126 140 147 153 170 180 196 204 210 238 245 252 255 294 306 315 340 343 357 420 441 476 490 510 588 595 612 630 686 714 735 765 833 882 980 1020 1029 1071 1190 1260 1372 1428 1470 1530 1666 1715 1764 1785 2058 2142 2205 2380 2499 2940 3060 3087 3332 3430 3570 4116 4165 4284 4410 4998 5145 5355 5831 6174 6860 7140 7497 8330 8820 9996 10290 10710 11662 12348 12495 14994 15435 16660 17493 20580 21420 23324 24990 26669 29155 29988 30870 34986 37485 49980 52479 53338 58310 61740 69972 74970 80007 87465 104958 106676 116620 133345 149940 160014 174930 186683 209916 240021 262395 266690 320028 349860 373366 400035 453373 480042 524790 533380 560049 746732 800070 906746 933415 960084 1049580 1120098 1200105 1306781 1360119 1600140 1680147 1813492 1866830 2240196 2266865 2400210 2613562 2720238 2800245 3173611 3360294 3733660 3920343 4080357 4533730 4800420 5227124 5440476 5600490 6347222 6533905 6720588 6800595 7840686 8160714 8400735 9067460 9147467 9520833 11200980 11761029 12694444 13067810 13601190 15681372 15868055 16321428 16801470 18294934 19041666 19601715 20401785 22215277 23522058 26135620 27202380 27442401 28562499 31736110 33602940 36589868 38083332 39203430 40803570 44430554 45737335 47044116 47604165 54884802 57124998 58805145 63472220 66645831 78406860 81607140 82327203 88861108 91474670 95208330 109769604 111076385 114249996 117610290 133291662 137212005 142812495 155506939 164654406 182949340 190416660 199937493 222152770 235220580 266583324 274424010 285624990 311013878 329308812 333229155 399874986 411636015 444305540 466520817 548848020 571249980 622027756 666458310 777534695 799749972 823272030 933041634 999687465 1332916620 1399562451 1555069390 1646544060 1866083268 1999374930 2332604085 2799124902 3110138780 3998749860 4665208170 5598249804 6997812255 9330416340 13995624510 27991249020
• Sum of all divisors σ(n): 104845104000
• Sum of proper divisors (its aliquot sum) s(n): 76853854980
• 27991249020 is an abundant number, because the sum of its proper divisors (76853854980) is greater than itself. Its abundance is 48862605960

Bases of 27991249020

• Binary: 11010000100011010001001000001111100₂
• Hexadecimal: 0x68468907C
• Base-36: CUX9LZ0

Squares and roots of 27991249020

• 27991249020 squared (27991249020²) is 783510021699650960400
• 27991249020 cubed (27991249020³) is 21931424127060533679638558808000
• The square root of 27991249020 is 167305.8547092719
• The cube root of 27991249020 is 3036.2725921353

Scales and comparisons

• 27,991,249,020 seconds is equal to 890 years, 1 week, 5 days, 18 hours, 57 minutes.
• To count from 1 to 27,991,249,020 would take you about one thousand, seven hundred eighty 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 27991249020 cubic inches would be around 253 feet tall.

Recreational maths with 27991249020

• 27991249020 backwards is 02094219972
• 27991249020 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 27991249020's digits is 45
• More coming soon!