21268743308880128

Names of 21268743308880128

• Cardinal: 21268743308880128 can be written as Twenty-one quadrillion, two hundred sixty-eight trillion, seven hundred forty-three billion, three hundred eight million, eight hundred eighty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1268743308880128 × 10¹⁶

Factors of 21268743308880128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 859

Divisors of 21268743308880128

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 8 16 17 32 34 53 64 68 106 128 136 212 256 272 424 544 787 848 901 1088 1574 1696 1802 2176 2809 3148 3392 3604 4352 5618 6296 6784 7208 11236 12592 13379 13568 14416 22472 25184 26758 28832 41711 44944 47753 50368 53516 57664 83422 89888 95506 100736 107032 115328 148877 166844 179776 191012 201472 214064 230656 297754 333688 359552 382024 428128 595508 619369 667376 709087 719104 764048 856256 1191016 1238738 1334752 1418174 1528096 1712512 2210683 2382032 2477476 2530909 2669504 2836348 3056192 3425024 4421366 4764064 4954952 5061818 5339008 5672696 6112384 7890481 8842732 9528128 9909904 10123636 10529273 10678016 11345392 12224768 15780962 17685464 19056256 19819808 20247272 21058546 22690784 31561924 32826557 35370928 37581611 38112512 39639616 40494544 42117092 45381568 63123848 65653114 70741856 75163222 79279232 80989088 84234184 90763136 117166199 126247696 131306228 134138177 141483712 150326444 158558464 161978176 168468368 181526272 234332398 252495392 262612456 268276354 282967424 300652888 323956352 336936736 468664796 504990784 525224912 536552708 558051469 565934848 601305776 647912704 673873472 937329592 1009981568 1050449824 1073105416 1116102938 1202611552 1347746944 1739807521 1874659184 1991825383 2019963136 2100899648 2146210832 2232205876 2405223104 2695493888 3479615042 3749318368 3983650766 4201799296 4292421664 4464411752 4810446208 6209808547 6959230084 7498636736 7967301532 8403598592 8584843328 8928823504 9620892416 12419617094 13918460168 14997273472 15934603064 17169686656 17857647008 24839234188 27836920336 29576727857 29994546944 31869206128 34339373312 35715294016 49678468376 55673840672 59153455714 63738412256 71430588032 92209798613 99356936752 105566745299 111347681344 118306911428 127476824512 142861176064 184419597226 198713873504 211133490598 222695362688 236613822856 254953649024 368839194452 397427747008 422266981196 445390725376 473227645712 509907298048 737678388904 794855494016 844533962392 946455291424 1475356777808 1567566576421 1589710988032 1689067924784 1892910582848 2950713555616 3135133152842 3378135849568 3785821165696 4887119326489 5901427111232 6270266305684 6756271699136 7571642331392 9774238652978 11802854222464 12540532611368 13512543398272 19548477305956 23605708444928 25081065222736 27025086796544 39096954611912 50162130445472 78193909223824 83081028550313 100324260890944 156387818447648 166162057100626 200648521781888 312775636895296 332324114201252 401297043563776 625551273790592 664648228402504 1251102547581184 1329296456805008 2658592913610016 5317185827220032 10634371654440064 21268743308880128
• Sum of all divisors σ(n): 45874469888715006
• Sum of proper divisors (its aliquot sum) s(n): 24605726579834878
• 21268743308880128 is an abundant number, because the sum of its proper divisors (24605726579834878) is greater than itself. Its abundance is 3336983270954750

Bases of 21268743308880128

• Binary: 1001011100011111100111100110001101111101010100100000000₂
• Hexadecimal: 0x4B8FCF31BEA900
• Base-36: 5TF51SFFF28

Squares and roots of 21268743308880128

• 21268743308880128 squared (21268743308880128²) is 452359441939033215885141473296384
• 21268743308880128 cubed (21268743308880128³) is 9621116853949561465261739433036285695207671857152
• The square root of 21268743308880128 is 145838072.2201172269
• The cube root of 21268743308880128 is 277064.3253969085

Scales and comparisons

• 21,268,743,308,880,128 seconds is equal to 676,280,248 years, 35 weeks, 2 days, 10 hours, 42 minutes, 8 seconds.
• To count from 1 to 21,268,743,308,880,128 would take you about two billion, twenty-eight million, eight hundred forty thousand, seven hundred forty-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 21268743308880128 cubic inches would be around 23088.7 feet tall.

Recreational maths with 21268743308880128

• 21268743308880128 backwards is 82108880334786212
• The number of decimal digits it has is: 17
• The sum of 21268743308880128's digits is 71
• More coming soon!