21328543740

Names of 21328543740

• Cardinal: 21328543740 can be written as Twenty-one billion, three hundred twenty-eight million, five hundred forty-three thousand, seven hundred forty.

Scientific notation

• Scientific notation: 2.132854374 × 10¹⁰

Factors of 21328543740

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 795

Divisors of 21328543740

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 31 34 35 42 51 60 62 68 70 84 85 93 102 105 119 124 140 155 170 173 186 204 210 217 238 255 310 340 346 357 372 420 434 465 476 510 519 527 557 595 620 651 692 714 865 868 930 1020 1038 1054 1085 1114 1190 1211 1302 1428 1581 1671 1730 1785 1860 2076 2108 2170 2228 2380 2422 2595 2604 2635 2785 2941 3162 3255 3342 3460 3570 3633 3689 3899 4340 4844 5190 5270 5363 5570 5882 6055 6324 6510 6684 7140 7266 7378 7798 7905 8355 8823 9469 10380 10540 10726 11067 11140 11697 11764 12110 13020 14532 14705 14756 15596 15810 16089 16710 17267 17646 18165 18445 18938 19495 20587 21452 22134 23394 24220 26815 28407 29410 31620 32178 33420 34534 35292 36330 36890 37541 37876 38990 41174 44115 44268 46788 47345 51801 53630 55335 56814 58485 58820 61761 64356 66283 69068 72660 73780 75082 77980 80445 82348 86335 88230 91171 94690 96361 102935 103602 107260 110670 112623 113628 116970 120869 123522 132566 142035 150164 160890 172670 176460 182342 187705 189380 192722 198849 205870 207204 221340 225246 233940 241738 247044 259005 265132 273513 284070 289083 293539 308805 321780 331415 345340 362607 364684 375410 385444 397698 411740 450492 455855 481805 483476 518010 547026 563115 568140 578166 587078 604345 617610 638197 662830 674527 725214 750820 795396 880617 911710 963610 994245 1036020 1094052 1126230 1156332 1174156 1208690 1235220 1276394 1325660 1349054 1367565 1445415 1450428 1467695 1638137 1761234 1813035 1823420 1914591 1927220 1988490 2023581 2054773 2252460 2417380 2552788 2698108 2735130 2890830 2935390 2987191 3190985 3276274 3372635 3522468 3626070 3829182 3976980 4047162 4109546 4403085 4914411 5470260 5781660 5870780 5974382 6164319 6381970 6552548 6745270 7252140 7658364 8094324 8190685 8219092 8806170 8961573 9572955 9828822 10117905 10273865 11466959 11948764 12328638 12763940 13490540 14935955 16381370 17612340 17923146 19145910 19657644 20235810 20547730 20910337 22933918 24572055 24657276 29871910 30821595 32762740 34400877 35846292 38291820 40471620 41095460 41820674 44807865 45867836 49144110 50782247 57334795 59743820 61643190 62731011 68801754 83641348 89615730 98288220 101564494 104551685 114669590 123286380 125462022 137603508 152346741 172004385 179231460 203128988 209103370 229339180 250924044 253911235 304693482 313655055 344008770 355475729 418206740 507822470 609386964 627310110 688017540 710951458 761733705 1015644940 1066427187 1254620220 1421902916 1523467410 1777378645 2132854374 3046934820 3554757290 4265708748 5332135935 7109514580 10664271870 21328543740
• Sum of all divisors σ(n): 75163189248
• Sum of proper divisors (its aliquot sum) s(n): 53834645508
• 21328543740 is an abundant number, because the sum of its proper divisors (53834645508) is greater than itself. Its abundance is 32506101768

Bases of 21328543740

• Binary: 10011110111010001111011111111111100₂
• Hexadecimal: 0x4F747BFFC
• Base-36: 9SQGPOC

Squares and roots of 21328543740

• 21328543740 squared (21328543740²) is 454906778069093187600
• 21328543740 cubed (21328543740³) is 9702499113669126793862625624000
• The square root of 21328543740 is 146042.9516957253
• The cube root of 21328543740 is 2773.2375244589

Scales and comparisons

• 21,328,543,740 seconds is equal to 678 years, 9 weeks, 3 days, 3 hours, 29 minutes.
• To count from 1 to 21,328,543,740 would take you about one thousand, three hundred fifty-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 21328543740 cubic inches would be around 231.1 feet tall.

Recreational maths with 21328543740

• 21328543740 backwards is 04734582312
• The number of decimal digits it has is: 11
• The sum of 21328543740's digits is 39
• More coming soon!