21349347264

Names of 21349347264

• Cardinal: 21349347264 can be written as Twenty-one billion, three hundred forty-nine million, three hundred forty-seven thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 2.1349347264 × 10¹⁰

Factors of 21349347264

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 6555

Divisors of 21349347264

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 32 36 38 42 43 48 56 57 63 64 72 76 84 86 96 112 114 126 129 133 144 152 168 171 172 192 224 228 252 258 266 288 301 304 336 342 344 387 399 448 456 504 516 532 576 602 608 672 684 688 774 798 817 903 912 1008 1032 1064 1197 1204 1216 1344 1368 1376 1548 1596 1634 1806 1824 2016 2064 2128 2394 2408 2451 2709 2736 2752 3096 3192 3268 3612 3648 4032 4128 4256 4788 4816 4902 5418 5472 5719 6192 6384 6481 6536 7224 7353 8256 8512 9576 9632 9804 10836 10944 11438 12384 12768 12962 13072 14448 14706 17157 19152 19264 19443 19608 21672 22876 24768 25536 25924 26144 28896 29412 34314 38304 38886 39216 43344 45367 45752 51471 51848 52288 57792 58329 58824 68628 76608 77772 78432 86688 90734 91504 102942 103696 116658 117648 123139 136101 137256 155544 156864 173376 181468 183008 205884 207392 233316 235296 246278 272202 274512 278683 311088 362936 366016 369417 408303 411768 414784 466632 470592 492556 544404 549024 557366 622176 725872 738834 816606 823536 836049 861973 933264 985112 1088808 1098048 1108251 1114732 1244352 1451744 1477668 1633212 1647072 1672098 1723946 1866528 1950781 1970224 2177616 2216502 2229464 2508147 2585919 2903488 2955336 3266424 3294144 3344196 3447892 3733056 3901562 3940448 4355232 4433004 4458928 5016294 5171838 5294977 5852343 5910672 6532848 6688392 6895784 7757757 7803124 7880896 8710464 8866008 8917856 10032588 10343676 10589954 11704686 11821344 13065696 13376784 13791568 15515514 15606248 15884931 17557029 17732016 17835712 20065176 20687352 21179908 23409372 23642688 26131392 26753568 27583136 31031028 31212496 31769862 35114058 35464032 37064839 40130352 41374704 42359816 46818744 47654793 53507136 55166272 62062056 62424992 63539724 70228116 70928064 74129678 80260704 82749408 84719632 93637488 95309586 111194517 124124112 124849984 127079448 140456232 148259356 160521408 165498816 169439264 187274976 190619172 222389034 248248224 254158896 280912464 296518712 333583551 338878528 374549952 381238344 444778068 496496448 508317792 561824928 593037424 667167102 762476688 889556136 1016635584 1123649856 1186074848 1334334204 1524953376 1779112272 2372149696 2668668408 3049906752 3558224544 5337336816 7116449088 10674673632 21349347264
• Sum of all divisors σ(n): 75340545280
• Sum of proper divisors (its aliquot sum) s(n): 53991198016
• 21349347264 is an abundant number, because the sum of its proper divisors (53991198016) is greater than itself. Its abundance is 32641850752

Bases of 21349347264

• Binary: 10011111000100001010010111111000000₂
• Hexadecimal: 0x4F8852FC0
• Base-36: 9T2ULS0

Squares and roots of 21349347264

• 21349347264 squared (21349347264²) is 455794628598864285696
• 21349347264 cubed (21349347264³) is 9730917807023059391331211935744
• The square root of 21349347264 is 146114.1583283427
• The cube root of 21349347264 is 2774.1388887935

Scales and comparisons

• 21,349,347,264 seconds is equal to 678 years, 43 weeks, 5 days, 22 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,349,347,264 would take you about one thousand, three hundred fifty-seven 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 21349347264 cubic inches would be around 231.2 feet tall.

Recreational maths with 21349347264

• 21349347264 backwards is 46274394312
• The number of decimal digits it has is: 11
• The sum of 21349347264's digits is 45
• More coming soon!