21555342984240

Names of 21555342984240

• Cardinal: 21555342984240 can be written as Twenty-one trillion, five hundred fifty-five billion, three hundred forty-two million, nine hundred eighty-four thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.155534298424 × 10¹³

Factors of 21555342984240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2302921282

Divisors of 21555342984240

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 45 48 52 60 65 72 78 80 90 104 117 120 130 144 156 180 195 208 234 240 260 312 360 390 468 520 585 624 720 780 936 1040 1170 1560 1872 2340 3120 4680 9360 2302921259 4605842518 6908763777 9211685036 11514606295 13817527554 18423370072 20726291331 23029212590 27635055108 29937976367 34543818885 36846740144 41452582662 46058425180 55270110216 59875952734 69087637770 82905165324 89813929101 92116850360 103631456655 110540220432 119751905468 138175275540 149689881835 165810330648 179627858202 184233700720 207262913310 239503810936 269441787303 276350551080 299379763670 331620661296 359255716404 414525826620 449069645505 479007621872 538883574606 552701102160 598759527340 718511432808 829051653240 898139291010 1077767149212 1197519054680 1347208936515 1437022865616 1658103306480 1796278582020 2155534298424 2395038109360 2694417873030 3592557164040 4311068596848 5388835746060 7185114328080 10777671492120 21555342984240
• Sum of all divisors σ(n): 77958490493520
• Sum of proper divisors (its aliquot sum) s(n): 56403147509280
• 21555342984240 is an abundant number, because the sum of its proper divisors (56403147509280) is greater than itself. Its abundance is 34847804525040

Bases of 21555342984240

• Binary: 100111001101010111110100011111100010000110000₂
• Hexadecimal: 0x139ABE8FC430
• Base-36: 7N2DYO4S0

Squares and roots of 21555342984240

• 21555342984240 squared (21555342984240²) is 464632811168224588888377600
• 21555342984240 cubed (21555342984240³) is 10015319606462698610511748360635969024000
• The square root of 21555342984240 is 4642773.1997417233
• The cube root of 21555342984240 is 27830.3272130683

Scales and comparisons

• 21,555,342,984,240 seconds is equal to 685,393 years, 12 weeks, 9 hours, 24 minutes.
• To count from 1 to 21,555,342,984,240 would take you about one million, seven hundred thirteen thousand, four hundred eighty-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 21555342984240 cubic inches would be around 2319.2 feet tall.

Recreational maths with 21555342984240

• 21555342984240 backwards is 04248924355512
• The number of decimal digits it has is: 14
• The sum of 21555342984240's digits is 54
• More coming soon!