21423338040

Names of 21423338040

• Cardinal: 21423338040 can be written as Twenty-one billion, four hundred twenty-three million, three hundred thirty-eight thousand and forty.

Scientific notation

• Scientific notation: 2.142333804 × 10¹⁰

Factors of 21423338040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 14650

Divisors of 21423338040

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 20 23 24 26 30 39 40 41 46 52 60 65 69 78 82 92 104 115 120 123 130 138 156 164 184 195 205 230 246 260 276 299 312 328 345 390 410 460 492 520 533 552 598 615 690 780 820 897 920 943 984 1066 1196 1230 1380 1495 1560 1599 1640 1794 1886 2132 2392 2460 2665 2760 2829 2990 3198 3588 3772 4264 4485 4715 4920 5330 5658 5980 6396 7176 7544 7995 8970 9430 10660 11316 11960 12259 12792 14145 14563 15990 17940 18860 21320 22632 24518 28290 29126 31980 35880 36777 37720 43689 49036 56580 58252 61295 63960 72815 73554 87378 98072 113160 116504 122590 145630 147108 174756 183885 189319 218445 245180 291260 294216 334949 349512 367770 378638 436890 490360 567957 582520 597083 669898 735540 757276 873780 946595 1004847 1135914 1194166 1339796 1471080 1514552 1674745 1747560 1791249 1893190 2009694 2271828 2388332 2679592 2839785 2985415 3349490 3582498 3786380 4019388 4354337 4543656 4776664 5024235 5679570 5970830 6698980 7164996 7572760 7762079 8038776 8708674 8956245 10048470 11359140 11941660 13063011 13397960 13732909 14329992 15524158 17417348 17912490 20096940 21771685 22718280 23286237 23883320 26126022 27465818 31048316 34834696 35824980 38810395 40193880 41198727 43543370 46572474 52252044 54931636 62096632 65315055 68664545 71649960 77620790 82397454 87086740 93144948 104504088 109863272 116431185 130630110 137329090 155241580 164794908 174173480 178527817 186289896 205993635 232862370 261260220 274658180 310483160 329589816 357055634 411987270 465724740 522520440 535583451 549316360 714111268 823974540 892639085 931449480 1071166902 1428222536 1647949080 1785278170 2142333804 2677917255 3570556340 4284667608 5355834510 7141112680 10711669020 21423338040
• Sum of all divisors σ(n): 73989780480
• Sum of proper divisors (its aliquot sum) s(n): 52566442440
• 21423338040 is an abundant number, because the sum of its proper divisors (52566442440) is greater than itself. Its abundance is 31143104400

Bases of 21423338040

• Binary: 10011111100111011100011001000111000₂
• Hexadecimal: 0x4FCEE3238
• Base-36: 9UAWHFC

Squares and roots of 21423338040

• 21423338040 squared (21423338040²) is 458959412776111041600
• 21423338040 cubed (21423338040³) is 9832442646542521680773302464000
• The square root of 21423338040 is 146367.1344257309
• The cube root of 21423338040 is 2777.3399861853

Scales and comparisons

• 21,423,338,040 seconds is equal to 681 years, 10 weeks, 1 day, 7 hours, 14 minutes.
• To count from 1 to 21,423,338,040 would take you about one thousand, three hundred sixty-two 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 21423338040 cubic inches would be around 231.4 feet tall.

Recreational maths with 21423338040

• 21423338040 backwards is 04083332412
• 21423338040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21423338040's digits is 30
• More coming soon!