21489317500

Names of 21489317500

• Cardinal: 21489317500 can be written as Twenty-one billion, four hundred eighty-nine million, three hundred seventeen thousand, five hundred.

Scientific notation

• Scientific notation: 2.14893175 × 10¹⁰

Factors of 21489317500

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 638

Divisors of 21489317500

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 5 7 10 14 17 20 25 28 34 35 49 50 68 70 85 98 100 119 125 140 170 175 196 238 245 250 289 340 350 425 476 490 500 578 595 607 625 700 833 850 875 980 1156 1190 1214 1225 1250 1445 1666 1700 1750 2023 2125 2380 2428 2450 2500 2890 2975 3035 3332 3500 4046 4165 4249 4250 4375 4900 5780 5950 6070 6125 7225 8092 8330 8498 8500 8750 10115 10319 10625 11900 12140 12250 14161 14450 14875 15175 16660 16996 17500 20230 20638 20825 21245 21250 24500 28322 28900 29743 29750 30350 30625 36125 40460 41276 41650 42490 42500 50575 51595 56644 59486 59500 60700 61250 70805 72233 72250 74375 75875 83300 84980 101150 103190 104125 106225 118972 122500 141610 144466 144500 148715 148750 151750 175423 180625 202300 206380 208250 212450 252875 257975 283220 288932 297430 297500 303500 350846 354025 361165 361250 379375 416500 424900 505631 505750 515950 520625 531125 594860 701692 708050 722330 722500 743575 758750 877115 1011262 1011500 1031900 1041250 1062250 1227961 1264375 1289875 1416100 1444660 1487150 1517500 1754230 1770125 1805825 2022524 2082500 2124500 2455922 2528155 2528750 2579750 2655625 2974300 3508460 3540250 3611650 3717875 4385575 4911844 5056310 5057500 5159500 5311250 6139805 6449375 7080500 7223300 7435750 8595727 8771150 8850625 9029125 10112620 10622500 12279610 12640775 12898750 14871500 17191454 17542300 17701250 18058250 18589375 21927875 24559220 25281550 25797500 30699025 34382908 35402500 36116500 37178750 42978635 43855750 45145625 50563100 61398050 63203875 74357500 85957270 87711500 90291250 109639375 122796100 126407750 153495125 171914540 180582500 214893175 219278750 252815500 306990250 316019375 429786350 438557500 613980500 632038750 767475625 859572700 1074465875 1264077500 1534951250 2148931750 3069902500 4297863500 5372329375 10744658750 21489317500
• Sum of all divisors σ(n): 58165556064
• Sum of proper divisors (its aliquot sum) s(n): 36676238564
• 21489317500 is an abundant number, because the sum of its proper divisors (36676238564) is greater than itself. Its abundance is 15186921064

Bases of 21489317500

• Binary: 10100000000110111001111011001111100₂
• Hexadecimal: 0x500DCF67C
• Base-36: 9VE6NI4

Squares and roots of 21489317500

• 21489317500 squared (21489317500²) is 461790766615806250000
• 21489317500 cubed (21489317500³) is 9923568402375461024734375000000
• The square root of 21489317500 is 146592.3514375835
• The cube root of 21489317500 is 2780.1882754671

Scales and comparisons

• 21,489,317,500 seconds is equal to 683 years, 15 weeks, 1 day, 22 hours, 51 minutes, 40 seconds.
• To count from 1 to 21,489,317,500 would take you about one thousand, three hundred sixty-six 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 21489317500 cubic inches would be around 231.7 feet tall.

Recreational maths with 21489317500

• 21489317500 backwards is 00571398412
• The number of decimal digits it has is: 11
• The sum of 21489317500's digits is 40
• More coming soon!