27990001980

Names of 27990001980

• Cardinal: 27990001980 can be written as Twenty-seven billion, nine hundred ninety million, one thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 2.799000198 × 10¹⁰

Factors of 27990001980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6695

Divisors of 27990001980

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 37 45 54 60 71 74 81 90 108 111 135 142 148 162 180 185 213 222 270 284 324 333 355 370 405 426 444 540 555 639 666 710 740 810 852 999 1065 1110 1278 1332 1420 1620 1665 1917 1998 2130 2220 2556 2627 2997 3195 3330 3834 3996 4260 4995 5254 5751 5994 6390 6577 6660 7668 7881 9585 9990 10508 11502 11988 12780 13135 13154 14985 15762 19170 19731 19980 23004 23643 26270 26308 28755 29970 31524 32885 38340 39405 39462 47286 52540 57510 59193 59940 65770 70929 78810 78924 94572 98655 115020 118215 118386 131540 141858 157620 177579 197310 212787 236430 236772 243349 283716 295965 354645 355158 394620 425574 466967 472860 486698 532737 591930 709290 710316 730047 851148 887895 933934 973396 1063935 1065474 1183860 1216745 1400901 1418580 1460094 1775790 1867868 2127870 2130948 2190141 2334835 2433490 2663685 2801802 2920188 3551580 3650235 4202703 4255740 4380282 4669670 4866980 5327370 5603604 6570423 7004505 7300470 8405406 8760564 9339340 10654740 10950705 12608109 13140846 14009010 14600940 16810812 17277779 19711269 21013515 21901410 25216218 26281692 28018020 32852115 34555558 37824327 39422538 42027030 43802820 50432436 51833337 63040545 65704230 69111116 75648654 78845076 84054060 86388895 98556345 103666674 126081090 131408460 151297308 155500011 172777790 189121635 197112690 207333348 252162180 259166685 311000022 345555580 378243270 394225380 466500033 518333370 622000044 756486540 777500055 933000066 1036666740 1399500099 1555000110 1866000132 2332500165 2799000198 3110000220 4665000330 5598000396 6997500495 9330000660 13995000990 27990001980
• Sum of all divisors σ(n): 91462827456
• Sum of proper divisors (its aliquot sum) s(n): 63472825476
• 27990001980 is an abundant number, because the sum of its proper divisors (63472825476) is greater than itself. Its abundance is 35482823496

Bases of 27990001980

• Binary: 11010000100010101011000100100111100₂
• Hexadecimal: 0x68455893C
• Base-36: CUWIVR0

Squares and roots of 27990001980

• 27990001980 squared (27990001980²) is 783440210840403920400
• 27990001980 cubed (27990001980³) is 21928493052634523195995762392000
• The square root of 27990001980 is 167302.1278406225
• The cube root of 27990001980 is 3036.2275017383

Scales and comparisons

• 27,990,001,980 seconds is equal to 889 years, 51 weeks, 5 days, 8 hours, 33 minutes.
• To count from 1 to 27,990,001,980 would take you about one thousand, seven hundred seventy-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 27990001980 cubic inches would be around 253 feet tall.

Recreational maths with 27990001980

• 27990001980 backwards is 08910009972
• 27990001980 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 27990001980's digits is 45
• More coming soon!