20827978470

Names of 20827978470

• Cardinal: 20827978470 can be written as Twenty billion, eight hundred twenty-seven million, nine hundred seventy-eight thousand, four hundred seventy.

Scientific notation

• Scientific notation: 2.082797847 × 10¹⁰

Factors of 20827978470

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1266

Divisors of 20827978470

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 61 65 78 89 90 117 122 130 135 178 183 195 234 267 270 305 351 366 390 445 534 549 585 610 702 793 801 890 915 1093 1098 1157 1170 1335 1586 1602 1647 1755 1830 2186 2314 2379 2403 2670 2745 3279 3294 3471 3510 3965 4005 4758 4806 5429 5465 5490 5785 6558 6942 7137 7930 8010 8235 9837 10413 10858 10930 11570 11895 12015 14209 14274 16287 16395 16470 17355 19674 20826 21411 23790 24030 27145 28418 29511 31239 32574 32790 34710 35685 42627 42822 48861 49185 52065 54290 59022 62478 66673 70577 71045 71370 81435 85254 97277 97722 98370 104130 107055 127881 133346 141154 142090 146583 147555 156195 162870 194554 200019 211731 213135 214110 244305 255762 291831 293166 295110 312390 333365 352885 383643 400038 423462 426270 486385 488610 583662 600057 635193 639405 666730 705770 732915 767286 866749 875493 972770 1000095 1058655 1200114 1264601 1270386 1278810 1459155 1465830 1733498 1750986 1800171 1905579 1918215 2000190 2117310 2529202 2600247 2626479 2918310 3000285 3175965 3600342 3793803 3811158 3836430 4333745 4377465 5200494 5252958 5933897 6000570 6323005 6351930 7587606 7800741 8667490 8754930 9000855 9527895 11381409 11867794 12646010 13001235 13132395 15601482 17801691 18001710 18969015 19055790 22762818 23402223 26002470 26264790 29669485 34144227 35603382 37938030 39003705 46804446 53405073 56907045 59338970 68288454 77140661 78007410 89008455 106810146 113814090 117011115 154281322 160215219 170721135 178016910 231421983 234022230 267025365 320430438 341442270 385703305 462843966 534050730 694265949 771406610 801076095 1157109915 1388531898 1602152190 2082797847 2314219830 3471329745 4165595694 6942659490 10413989235 20827978470
• Sum of all divisors σ(n): 61533561600
• Sum of proper divisors (its aliquot sum) s(n): 40705583130
• 20827978470 is an abundant number, because the sum of its proper divisors (40705583130) is greater than itself. Its abundance is 19877604660

Bases of 20827978470

• Binary: 10011011001011100011011101011100110₂
• Hexadecimal: 0x4D971BAE6
• Base-36: 9KGFV1I

Squares and roots of 20827978470

• 20827978470 squared (20827978470²) is 433804687146783540900
• 20827978470 cubed (20827978470³) is 9035274684078293319615564423000
• The square root of 20827978470 is 144319.0163145523
• The cube root of 20827978470 is 2751.3702689553

Scales and comparisons

• 20,827,978,470 seconds is equal to 662 years, 13 weeks, 5 days, 13 hours, 34 minutes, 30 seconds.
• To count from 1 to 20,827,978,470 would take you about one thousand, three hundred twenty-four 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 20827978470 cubic inches would be around 229.3 feet tall.

Recreational maths with 20827978470

• 20827978470 backwards is 07487972802
• 20827978470 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20827978470's digits is 54
• More coming soon!