21454489600

Names of 21454489600

• Cardinal: 21454489600 can be written as Twenty-one billion, four hundred fifty-four million, four hundred eighty-nine thousand, six hundred.

Scientific notation

• Scientific notation: 2.14544896 × 10¹⁰

Factors of 21454489600

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 181

Divisors of 21454489600

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 128 136 157 160 170 200 256 272 314 320 340 400 425 512 544 628 640 680 785 800 850 1024 1088 1256 1280 1360 1570 1600 1700 2048 2176 2512 2560 2669 2720 3140 3200 3400 3925 4352 5024 5120 5338 5440 6280 6400 6800 7850 8704 10048 10240 10676 10880 12560 12800 13345 13600 15700 17408 20096 21352 21760 24649 25120 25600 26690 27200 31400 34816 40192 42704 43520 49298 50240 51200 53380 54400 62800 66725 80384 85408 87040 98596 100480 106760 108800 123245 125600 133450 160768 170816 174080 197192 200960 213520 217600 246490 251200 266900 321536 341632 394384 401920 419033 427040 435200 492980 502400 533800 616225 683264 788768 803840 838066 854080 870400 985960 1004800 1067600 1232450 1366528 1577536 1607680 1676132 1708160 1971920 2009600 2095165 2135200 2464900 2733056 3155072 3352264 3416320 3943840 4019200 4190330 4270400 4929800 5466112 6310144 6704528 6832640 7887680 8038400 8380660 8540800 9859600 10475825 12620288 13409056 13665280 15775360 16761320 17081600 19719200 20951650 25240576 26818112 27330560 31550720 33522640 34163200 39438400 41903300 50481152 53636224 63101440 67045280 68326400 78876800 83806600 107272448 126202880 134090560 136652800 157753600 167613200 214544896 252405760 268181120 315507200 335226400 429089792 536362240 631014400 670452800 858179584 1072724480 1262028800 1340905600 2145448960 2681811200 4290897920 5363622400 10727244800 21454489600
• Sum of all divisors σ(n): 56684243070
• Sum of proper divisors (its aliquot sum) s(n): 35229753470
• 21454489600 is an abundant number, because the sum of its proper divisors (35229753470) is greater than itself. Its abundance is 13775263870

Bases of 21454489600

• Binary: 10011111110110010011000100000000000₂
• Hexadecimal: 0x4FEC98800
• Base-36: 9UTG64G

Squares and roots of 21454489600

• 21454489600 squared (21454489600²) is 460295123996508160000
• 21454489600 cubed (21454489600³) is 9875396950713794755035136000000
• The square root of 21454489600 is 146473.5115985139
• The cube root of 21454489600 is 2778.6855059103

Scales and comparisons

• 21,454,489,600 seconds is equal to 682 years, 9 weeks, 4 days, 20 hours, 26 minutes, 40 seconds.
• To count from 1 to 21,454,489,600 would take you about one thousand, three hundred sixty-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 21454489600 cubic inches would be around 231.6 feet tall.

Recreational maths with 21454489600

• 21454489600 backwards is 00698445412
• The number of decimal digits it has is: 11
• The sum of 21454489600's digits is 43
• More coming soon!