21388565499136

Names of 21388565499136

• Cardinal: 21388565499136 can be written as Twenty-one trillion, three hundred eighty-eight billion, five hundred sixty-five million, four hundred ninety-nine thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 2.1388565499136 × 10¹³

Factors of 21388565499136

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1395

Divisors of 21388565499136

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 127 128 176 254 256 281 331 352 508 562 643 662 704 1016 1124 1286 1324 1397 1408 2032 2248 2572 2648 2794 2816 3091 3641 4064 4496 5144 5296 5588 6182 7073 7282 8128 8992 10288 10592 11176 12364 14146 14564 16256 17984 20576 21184 22352 24728 28292 29128 32512 35687 35968 41152 42037 42368 44704 49456 56584 58256 71374 71936 81661 82304 84074 84736 89408 93011 98912 113168 116512 142748 163322 164608 168148 178816 180683 186022 197824 212833 226336 233024 285496 326644 336296 357632 361366 372044 392557 395648 425666 452672 462407 466048 570992 653288 672592 722732 744088 785114 791296 851332 898271 905344 924814 932096 1023121 1141984 1306576 1345184 1445464 1488176 1570228 1702664 1796542 1810688 1849628 1987513 2046242 2283968 2341163 2613152 2690368 2890928 2976352 3140456 3405328 3593084 3699256 3975026 4092484 4567936 4682326 5226304 5380736 5781856 5952704 6280912 6810656 7186168 7398512 7950052 8184968 9135872 9364652 10452608 10761472 11563712 11812397 11905408 12561824 13621312 14372336 14797024 15900104 16369936 18729304 20905216 22946741 23127424 23624794 23810816 25123648 27029791 27242624 28744672 29594048 31800208 32739872 37458608 45893482 46254848 47249588 50247296 54059582 54485248 57489344 59188096 59806073 63600416 65479744 74917216 91786964 94499176 100494592 108119164 114978688 118376192 119612146 127200832 129936367 130959488 149834432 183573928 188998352 216238328 229957376 239224292 252414151 254401664 259872734 261918976 297327701 299668864 367147856 377996704 432476656 478448584 504828302 508803328 519745468 594655402 599337728 657866803 734295712 755993408 864953312 956897168 1009656604 1039490936 1189310804 1315733606 1468591424 1511986816 1729906624 1913794336 2019313208 2078981872 2378621608 2631467212 2937182848 3023973632 3459813248 3827588672 4038626416 4157963744 4757243216 5262934424 5874365696 6919626496 7595371271 7655177344 8077252832 8315927488 9514486432 10525868848 15190742542 15310354688 16154505664 16631854976 19028972864 21051737696 30381485084 32309011328 33263709952 38057945728 42103475392 60762970168 64618022656 76115891456 83549083981 84206950784 121525940336 167098167962 168413901568 243051880672 334196335924 486103761344 668392671848 972207522688 1336785343696 1944415045376 2673570687392 5347141374784 10694282749568 21388565499136
• Sum of all divisors σ(n): 47324406398976
• Sum of proper divisors (its aliquot sum) s(n): 25935840899840
• 21388565499136 is an abundant number, because the sum of its proper divisors (25935840899840) is greater than itself. Its abundance is 4547275400704

Bases of 21388565499136

• Binary: 100110111001111101001110110010100110100000000₂
• Hexadecimal: 0x1373E9D94D00
• Base-36: 7KXRRNTOG

Squares and roots of 21388565499136

• 21388565499136 squared (21388565499136²) is 457470734110830808816746496
• 21388565499136 cubed (21388565499136³) is 9784642760467334299523202107773819027456
• The square root of 21388565499136 is 4624777.3458985029
• The cube root of 21388565499136 is 27758.3652508423

Scales and comparisons

• 21,388,565,499,136 seconds is equal to 680,090 years, 11 weeks, 4 days, 10 hours, 12 minutes, 16 seconds.
• To count from 1 to 21,388,565,499,136 would take you about one million, seven hundred thousand, two hundred twenty-five 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 21388565499136 cubic inches would be around 2313.2 feet tall.

Recreational maths with 21388565499136

• 21388565499136 backwards is 63199456588312
• The number of decimal digits it has is: 14
• The sum of 21388565499136's digits is 70
• More coming soon!