21442772800

Names of 21442772800

• Cardinal: 21442772800 can be written as Twenty-one billion, four hundred forty-two million, seven hundred seventy-two thousand, eight hundred.

Scientific notation

• Scientific notation: 2.14427728 × 10¹⁰

Factors of 21442772800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1614

Divisors of 21442772800

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 37 40 50 64 74 80 100 148 160 185 200 281 296 320 370 400 562 592 740 800 925 1124 1184 1289 1405 1480 1600 1850 2248 2368 2578 2810 2960 3700 4496 5156 5620 5920 6445 7025 7400 8992 10312 10397 11240 11840 12890 14050 14800 17984 20624 20794 22480 25780 28100 29600 32225 41248 41588 44960 47693 51560 51985 56200 59200 64450 82496 83176 89920 95386 103120 103970 112400 128900 166352 190772 206240 207940 224800 238465 257800 259925 332704 362209 381544 412480 415880 449600 476930 515600 519850 665408 724418 763088 831760 953860 1031200 1039700 1192325 1448836 1526176 1663520 1811045 1907720 2062400 2079400 2384650 2897672 3052352 3327040 3622090 3815440 4158800 4769300 5795344 7244180 7630880 8317600 9055225 9538600 11590688 13401733 14488360 15261760 16635200 18110450 19077200 23181376 26803466 28976720 36220900 38154400 53606932 57953440 67008665 72441800 76308800 107213864 115906880 134017330 144883600 214427728 268034660 289767200 335043325 428855456 536069320 579534400 670086650 857710912 1072138640 1340173300 2144277280 2680346600 4288554560 5360693200 10721386400 21442772800
• Sum of all divisors σ(n): 54423670680
• Sum of proper divisors (its aliquot sum) s(n): 32980897880
• 21442772800 is an abundant number, because the sum of its proper divisors (32980897880) is greater than itself. Its abundance is 11538125080

Bases of 21442772800

• Binary: 10011111110000101101011111101000000₂
• Hexadecimal: 0x4FE16BF40
• Base-36: 9UMH1DS

Squares and roots of 21442772800

• 21442772800 squared (21442772800²) is 459792505352419840000
• 21442772800 cubed (21442772800³) is 9859226227414722559332352000000
• The square root of 21442772800 is 146433.5098261323
• The cube root of 21442772800 is 2778.1795786893

Scales and comparisons

• 21,442,772,800 seconds is equal to 681 years, 42 weeks, 2 days, 5 hours, 46 minutes, 40 seconds.
• To count from 1 to 21,442,772,800 would take you about one thousand, three hundred sixty-three 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 21442772800 cubic inches would be around 231.5 feet tall.

Recreational maths with 21442772800

• 21442772800 backwards is 00827724412
• 21442772800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21442772800's digits is 37
• More coming soon!