21402036544

Names of 21402036544

• Cardinal: 21402036544 can be written as Twenty-one billion, four hundred two million, thirty-six thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 2.1402036544 × 10¹⁰

Factors of 21402036544

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 148

Divisors of 21402036544

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 7 8 14 16 19 23 28 32 38 46 49 56 64 76 92 97 98 112 133 152 161 184 194 196 224 266 304 322 343 368 388 392 437 448 529 532 608 644 679 686 736 776 784 874 931 1058 1064 1127 1216 1288 1358 1372 1472 1552 1568 1748 1843 1862 2116 2128 2231 2254 2576 2716 2744 3059 3104 3136 3496 3686 3703 3724 4232 4256 4462 4508 4753 5152 5432 5488 6118 6208 6517 6992 7372 7406 7448 7889 8464 8512 8924 9016 9506 10051 10304 10864 10976 12236 12901 13034 13984 14744 14812 14896 15617 15778 16928 17848 18032 19012 20102 21413 21728 21952 24472 25802 25921 26068 27968 29488 29624 29792 31234 31556 33271 33856 35696 36064 38024 40204 42389 42826 43456 48944 51313 51604 51842 52136 58976 59248 59584 62468 63112 66542 70357 71392 72128 76048 80408 84778 85652 90307 97888 102626 103208 103684 104272 109319 117952 118496 124936 126224 133084 140714 142784 149891 152096 160816 169556 171304 180614 181447 195776 205252 206416 207368 208544 218638 236992 249872 252448 266168 281428 296723 299782 304192 321632 339112 342608 359191 361228 362894 410504 412832 414736 417088 437276 492499 499744 504896 532336 562856 593446 599564 632149 643264 678224 685216 718382 722456 725788 765233 821008 825664 829472 874552 974947 984998 999488 1064672 1125712 1186892 1199128 1264298 1356448 1370432 1436764 1444912 1451576 1530466 1642016 1658944 1749104 1949894 1969996 2077061 2129344 2251424 2373784 2398256 2514337 2528596 2712896 2873528 2889824 2903152 3060932 3284032 3447493 3498208 3899788 3939992 4154122 4502848 4747568 4796512 5028674 5057192 5747056 5779648 5806304 6121864 6824629 6894986 6996416 7799576 7879984 8308244 9495136 9593024 10057348 10114384 11494112 11612608 12243728 13649258 13789972 14539427 15599152 15759968 16616488 17600359 18990272 20114696 20228768 22988224 24487456 27298516 27579944 29078854 31198304 31519936 33232976 35200718 40229392 40457536 47772403 48974912 54597032 55159888 58157708 62396608 66465952 70401436 80458784 95544806 109194064 110319776 116315416 132931904 140802872 160917568 191089612 218388128 220639552 232630832 281605744 334406821 382179224 436776256 465261664 563211488 668813642 764358448 930523328 1126422976 1337627284 1528716896 2675254568 3057433792 5350509136 10701018272 21402036544
• Sum of all divisors σ(n): 55061104000
• Sum of proper divisors (its aliquot sum) s(n): 33659067456
• 21402036544 is an abundant number, because the sum of its proper divisors (33659067456) is greater than itself. Its abundance is 12257030912

Bases of 21402036544

• Binary: 10011111011101010010010100101000000₂
• Hexadecimal: 0x4FBA92940
• Base-36: 9TY7X34

Squares and roots of 21402036544

• 21402036544 squared (21402036544²) is 458047168230711463936
• 21402036544 cubed (21402036544³) is 9803142233349402574278010077184
• The square root of 21402036544 is 146294.3489817703
• The cube root of 21402036544 is 2776.4191661639

Scales and comparisons

• 21,402,036,544 seconds is equal to 680 years, 26 weeks, 6 days, 18 hours, 9 minutes, 4 seconds.
• To count from 1 to 21,402,036,544 would take you about one thousand, three hundred sixty-one 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 21402036544 cubic inches would be around 231.4 feet tall.

Recreational maths with 21402036544

• 21402036544 backwards is 44563020412
• The number of decimal digits it has is: 11
• The sum of 21402036544's digits is 31
• More coming soon!