21494329164

Names of 21494329164

• Cardinal: 21494329164 can be written as Twenty-one billion, four hundred ninety-four million, three hundred twenty-nine thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 2.1494329164 × 10¹⁰

Factors of 21494329164

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9025

Divisors of 21494329164

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 63 66 77 79 84 99 121 126 132 154 158 198 231 237 242 252 308 316 363 396 462 474 484 553 693 711 726 847 869 924 948 1089 1106 1386 1422 1452 1659 1694 1738 2178 2212 2541 2607 2772 2844 3318 3388 3476 4356 4977 5082 5214 6083 6636 7623 7821 8923 9559 9954 10164 10428 12166 15246 15642 17846 18249 19118 19908 24332 26769 28677 30492 31284 35692 36498 38236 53538 54747 57354 62461 66913 72996 80307 86031 98153 107076 109494 114708 124922 133826 160614 172062 187383 196306 200739 218988 249844 267652 294459 321228 344124 374766 392612 401478 562149 588918 602217 687071 704917 749532 802956 883377 1079683 1124298 1177836 1204434 1374142 1409834 1766754 2061213 2114751 2159366 2248596 2408868 2748284 2819668 3239049 3533508 4122426 4229502 4318732 4934419 6183639 6344253 6478098 7557781 7754087 8244852 8459004 9717147 9868838 12367278 12688506 12956196 14803257 15115562 15508174 19434294 19737676 22673343 23262261 24734556 25377012 29606514 30231124 31016348 38868588 44409771 45346686 46524522 54278609 59213028 68020029 69786783 85294957 88819542 90693372 93049044 108557218 136040058 139573566 162835827 170589914 177639084 217114436 255884871 272080116 279147132 325671654 341179828 488507481 511769742 597064699 651343308 767654613 977014962 1023539484 1194129398 1535309226 1791194097 1954029924 2388258796 3070618452 3582388194 5373582291 7164776388 10747164582 21494329164
• Sum of all divisors σ(n): 69124590080
• Sum of proper divisors (its aliquot sum) s(n): 47630260916
• 21494329164 is an abundant number, because the sum of its proper divisors (47630260916) is greater than itself. Its abundance is 26135931752

Bases of 21494329164

• Binary: 10100000001001010010110111101001100₂
• Hexadecimal: 0x501296F4C
• Base-36: 9VH62J0

Squares and roots of 21494329164

• 21494329164 squared (21494329164²) is 462006186210380938896
• 21494329164 cubed (21494329164³) is 9930513042210205654461994762944
• The square root of 21494329164 is 146609.4443206165
• The cube root of 21494329164 is 2780.4043872859

Scales and comparisons

• 21,494,329,164 seconds is equal to 683 years, 23 weeks, 3 days, 22 hours, 59 minutes, 24 seconds.
• To count from 1 to 21,494,329,164 would take you about one thousand, three hundred sixty-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 21494329164 cubic inches would be around 231.7 feet tall.

Recreational maths with 21494329164

• 21494329164 backwards is 46192349412
• The number of decimal digits it has is: 11
• The sum of 21494329164's digits is 45
• More coming soon!