21188862858020

Names of 21188862858020

• Cardinal: 21188862858020 can be written as Twenty-one trillion, one hundred eighty-eight billion, eight hundred sixty-two million, eight hundred fifty-eight thousand and twenty.

Scientific notation

• Scientific notation: 2.118886285802 × 10¹³

Factors of 21188862858020

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4330156

Divisors of 21188862858020

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 11 13 20 22 26 29 44 52 55 58 59 65 110 116 118 130 143 145 220 236 260 286 290 295 319 377 572 580 590 638 649 715 754 767 1180 1276 1298 1430 1508 1534 1595 1711 1885 2596 2860 3068 3190 3245 3422 3770 3835 4147 6380 6490 6844 7540 7670 8294 8437 8555 12980 15340 16588 16874 17110 18821 20735 22243 33748 34220 37642 41470 42185 44486 75284 82940 84370 88972 94105 111215 168740 188210 222430 244673 376420 444860 489346 978692 1223365 2446730 4330037 4893460 8660074 17320148 21650185 43300370 47630407 56290481 86600740 95260814 112580962 125571073 190521628 225161924 238152035 251142146 255472183 281452405 476304070 502284292 510944366 562904810 619195291 627855365 952608140 1021888732 1125809620 1238390582 1255710730 1277360915 1381281803 1632423949 2476781164 2511421460 2554721830 2762563606 2810194013 3095976455 3264847898 3321138379 5109443660 5525127212 5620388026 6191952910 6529695796 6642276758 6906409015 7408693307 8162119745 11240776052 12383905820 13284553516 13812818030 14050970065 14817386614 16324239490 16605691895 17956663439 27625636060 28101940130 29634773228 32648478980 33211383790 35913326878 36532522169 37043466535 56203880260 66422767580 71826653756 73065044338 74086933070 81495626377 89783317195 96313012991 146130088676 148173866140 162991252754 179566634390 182662610845 192626025982 325982505508 359133268780 365325221690 385252051964 407478131885 481565064955 730650443380 814956263770 963130129910 1059443142901 1629912527540 1926260259820 2118886285802 4237772571604 5297215714505 10594431429010 21188862858020
• Sum of all divisors σ(n): 54994946630400
• Sum of proper divisors (its aliquot sum) s(n): 33806083772380
• 21188862858020 is an abundant number, because the sum of its proper divisors (33806083772380) is greater than itself. Its abundance is 12617220914360

Bases of 21188862858020

• Binary: 100110100010101101010101001001101001100100100₂
• Hexadecimal: 0x13456AA4D324
• Base-36: 7IE11V5LW

Squares and roots of 21188862858020

• 21188862858020 squared (21188862858020²) is 448967909215979482678320400
• 21188862858020 cubed (21188862858020³) is 9513119456029362918797037075037269608000
• The square root of 21188862858020 is 4603136.1980740913
• The cube root of 21188862858020 is 27671.7027197501

Scales and comparisons

• 21,188,862,858,020 seconds is equal to 673,740 years, 15 weeks, 3 days, 6 hours, 20 minutes, 20 seconds.
• To count from 1 to 21,188,862,858,020 would take you about one million, six hundred eighty-four thousand, three hundred fifty 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 21188862858020 cubic inches would be around 2306 feet tall.

Recreational maths with 21188862858020

• 21188862858020 backwards is 02085826888112
• 21188862858020 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21188862858020's digits is 59
• More coming soon!