21078936000

Names of 21078936000

• Cardinal: 21078936000 can be written as Twenty-one billion, seventy-eight million, nine hundred thirty-six thousand.

Scientific notation

• Scientific notation: 2.1078936 × 10¹⁰

Factors of 21078936000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 6286

Divisors of 21078936000

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 47 48 50 60 64 72 75 80 90 94 96 100 120 125 141 144 150 160 180 188 192 200 225 235 240 250 282 288 300 320 360 375 376 400 423 450 470 480 500 564 576 600 705 720 750 752 800 846 900 940 960 1000 1125 1128 1175 1200 1410 1440 1500 1504 1600 1692 1800 1880 2000 2115 2250 2256 2350 2400 2820 2880 3000 3008 3384 3525 3600 3760 4000 4230 4500 4512 4700 4800 5640 5875 6000 6229 6768 7050 7200 7520 8000 8460 9000 9024 9400 10575 11280 11750 12000 12458 13536 14100 14400 15040 16920 17625 18000 18687 18800 21150 22560 23500 24000 24916 27072 28200 31145 33840 35250 36000 37374 37600 42300 45120 47000 49832 52875 56061 56400 62290 67680 70500 72000 74748 75200 84600 93435 94000 99664 105750 112122 112800 124580 135360 141000 149496 155725 169200 186870 188000 199328 211500 224244 225600 249160 280305 282000 292763 298992 311450 338400 373740 376000 398656 423000 448488 467175 498320 560610 564000 585526 597984 622900 676800 747480 778625 846000 878289 896976 934350 996640 1121220 1128000 1171052 1195968 1245800 1401525 1463815 1494960 1557250 1692000 1756578 1793952 1868700 1993280 2242440 2335875 2342104 2491600 2634867 2803050 2927630 2989920 3114500 3384000 3513156 3587904 3737400 4391445 4484880 4671750 4684208 4983200 5269734 5606100 5855260 5979840 6229000 7007625 7026312 7319075 7474800 8782890 8969760 9343500 9368416 9966400 10539468 11212200 11710520 12458000 13174335 14015250 14052624 14638150 14949600 17565780 17939520 18687000 18736832 21078936 21957225 22424400 23421040 24916000 26348670 28030500 28105248 29276300 29899200 35131560 36595375 37374000 42157872 43914450 44848800 46842080 49832000 52697340 56061000 56210496 58552600 65871675 70263120 73190750 74748000 84315744 87828900 89697600 93684160 105394680 109786125 112122000 117105200 131743350 140526240 146381500 149496000 168631488 175657800 210789360 219572250 224244000 234210400 263486700 281052480 292763000 329358375 351315600 421578720 439144500 448488000 468420800 526973400 585526000 658716750 702631200 843157440 878289000 1053946800 1171052000 1317433500 1405262400 1756578000 2107893600 2342104000 2634867000 3513156000 4215787200 5269734000 7026312000 10539468000 21078936000
• Sum of all divisors σ(n): 77019546240
• Sum of proper divisors (its aliquot sum) s(n): 55940610240
• 21078936000 is an abundant number, because the sum of its proper divisors (55940610240) is greater than itself. Its abundance is 34861674240

Bases of 21078936000

• Binary: 10011101000011001110000100111000000₂
• Hexadecimal: 0x4E86709C0
• Base-36: 9OLUR40

Squares and roots of 21078936000

• 21078936000 squared (21078936000²) is 444321542892096000000
• 21078936000 cubed (21078936000³) is 9365825366043746489856000000000
• The square root of 21078936000 is 145185.8670807871
• The cube root of 21078936000 is 2762.3766548123

Scales and comparisons

• 21,078,936,000 seconds is equal to 670 years, 12 weeks, 5 days, 4 hours.
• To count from 1 to 21,078,936,000 would take you about one thousand, three hundred forty 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 21078936000 cubic inches would be around 230.2 feet tall.

Recreational maths with 21078936000

• 21078936000 backwards is 00063987012
• 21078936000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21078936000's digits is 36
• More coming soon!