21423391440440

Names of 21423391440440

• Cardinal: 21423391440440 can be written as Twenty-one trillion, four hundred twenty-three billion, three hundred ninety-one million, four hundred forty thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.142339144044 × 10¹³

Factors of 21423391440440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 18222

Divisors of 21423391440440

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 11 20 22 31 40 44 55 62 88 110 124 131 155 220 248 262 310 341 440 524 620 655 682 691 1048 1240 1310 1364 1382 1441 1705 2620 2728 2764 2882 3410 3455 4061 5240 5528 5764 6820 6910 7205 7601 8122 11528 13640 13820 14410 15202 16244 17351 20305 21421 27640 28820 30404 32488 34702 38005 40610 42842 44671 57640 60808 69404 76010 81220 85684 86755 89342 90521 107105 138808 152020 162440 171368 173510 178684 181042 190861 214210 223355 235631 304040 347020 357368 362084 381722 428420 446710 452605 471262 537881 694040 724168 763444 856840 893420 905210 942524 954305 995731 1075762 1178155 1526888 1786840 1810420 1885048 1908610 1991462 2151524 2272981 2356310 2689405 2806151 3620840 3817220 3982924 4303048 4545962 4712620 4978655 5378810 5612302 5916691 7634440 7965848 9091924 9425240 9957310 10757620 11224604 11364905 11833382 11989541 14030755 18183848 19914620 21515240 22449208 22729810 23666764 23979082 25002791 28061510 29583455 30867661 39829240 45459620 47333528 47958164 50005582 56123020 59166910 59947705 61735322 70462411 90919240 95916328 100011164 112246040 118333820 119895410 123470644 125013955 131884951 140924822 154338305 200022328 236667640 239790820 246941288 250027910 263769902 281849644 308676610 352312055 371675771 479581640 500055820 527539804 563699288 617353220 659424755 704624110 743351542 775086521 1000111640 1055079608 1234706440 1318849510 1409248220 1486703084 1550173042 1570629871 1858378855 2637699020 2818496440 2973406168 3100346084 3141259742 3716757710 3875432605 4088433481 5275398040 6200692168 6282519484 7433515420 7750865210 7853149355 8176866962 12565038968 14867030840 15501730420 15706298710 16353733924 17276928581 20442167405 31003460840 31412597420 32707467848 34553857162 40884334810 48689526001 62825194840 69107714324 81768669620 86384642905 97379052002 138215428648 163537339240 172769285810 194758104004 243447630005 345538571620 389516208008 486895260010 535584786011 691077143240 973790520020 1071169572022 1947581040040 2142339144044 2677923930055 4284678288088 5355847860110 10711695720220 21423391440440
• Sum of all divisors σ(n): 54777637601280
• Sum of proper divisors (its aliquot sum) s(n): 33354246160840
• 21423391440440 is an abundant number, because the sum of its proper divisors (33354246160840) is greater than itself. Its abundance is 11930854720400

Bases of 21423391440440

• Binary: 100110111110000000101101000101111111000111000₂
• Hexadecimal: 0x137C05A2FE38
• Base-36: 7LDRQ4LYW

Squares and roots of 21423391440440

• 21423391440440 squared (21423391440440²) is 458961700810317858067393600
• 21423391440440 cubed (21423391440440³) is 9832516172629547812556674850900437184000
• The square root of 21423391440440 is 4628540.9623811259
• The cube root of 21423391440440 is 27773.4229380977

Scales and comparisons

• 21,423,391,440,440 seconds is equal to 681,197 years, 30 weeks, 1 day, 10 hours, 47 minutes, 20 seconds.
• To count from 1 to 21,423,391,440,440 would take you about one million, seven hundred two thousand, nine hundred ninety-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 21423391440440 cubic inches would be around 2314.5 feet tall.

Recreational maths with 21423391440440

• 21423391440440 backwards is 04404419332412
• The number of decimal digits it has is: 14
• The sum of 21423391440440's digits is 41
• More coming soon!