61491346540

Names of 61491346540

• Cardinal: 61491346540 can be written as Sixty-one billion, four hundred ninety-one million, three hundred forty-six thousand, five hundred forty.

Scientific notation

• Scientific notation: 6.149134654 × 10¹⁰

Factors of 61491346540

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 109

Divisors of 61491346540

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 10 13 19 20 26 29 38 41 52 58 65 76 82 95 116 130 145 164 190 205 247 260 290 361 377 380 410 494 533 551 580 722 754 779 820 841 988 1066 1102 1189 1235 1444 1508 1558 1682 1805 1885 2132 2204 2378 2470 2665 2755 3116 3364 3610 3770 3895 4205 4693 4756 4940 5330 5510 5945 6859 7163 7220 7540 7790 8410 9386 10127 10469 10660 10933 11020 11890 13718 14326 14801 15457 15580 15979 16820 18772 20254 20938 21866 22591 23465 23780 27436 28652 29602 30914 31958 34295 34481 35815 40508 41876 43732 45182 46930 50635 52345 54665 59204 61828 63916 68590 68962 71630 74005 77285 79895 89167 90364 93860 101270 104690 109330 112955 136097 137180 137924 143260 148010 154570 159790 172405 178334 192413 198911 202540 207727 209380 218660 225910 272194 281219 293683 296020 303601 309140 319580 344810 356668 384826 397822 415454 429229 445835 448253 451820 544388 562438 587366 607202 655139 680485 689620 769652 795644 830908 858458 891670 896506 962065 994555 1038635 1124876 1174732 1214404 1310278 1360970 1406095 1468415 1518005 1716916 1783340 1793012 1924130 1989110 2077270 2146145 2241265 2585843 2620556 2721940 2812190 2936830 3036010 3275695 3655847 3848260 3946813 3978220 4154540 4292290 4482530 5171686 5579977 5624380 5768419 5873660 6072020 6551390 7311694 7893626 8155351 8516807 8584580 8965060 10343372 11159954 11536838 12447641 12929215 13102780 14623388 15787252 16310702 17033614 18279235 19734065 22319908 23073676 24895282 25858430 27899885 28842095 32621404 34067228 36558470 39468130 40776755 42584035 49790564 51716860 55799770 57684190 62238205 73116940 74989447 78936260 81553510 85168070 106019563 111599540 115368380 124476410 149978894 161819333 163107020 170336140 212039126 236505179 248952820 299957788 323638666 374947235 424078252 473010358 530097815 647277332 749894470 809096665 946020716 1060195630 1182525895 1499788940 1618193330 2120391260 2365051790 3074567327 3236386660 4730103580 6149134654 12298269308 15372836635 30745673270 61491346540
• Sum of all divisors σ(n): 155733963840
• Sum of proper divisors (its aliquot sum) s(n): 94242617300
• 61491346540 is an abundant number, because the sum of its proper divisors (94242617300) is greater than itself. Its abundance is 32751270760

Bases of 61491346540

• Binary: 111001010001001010110111110001101100₂
• Hexadecimal: 0xE512B7C6C
• Base-36: S8YCYNG

Squares and roots of 61491346540

• 61491346540 squared (61491346540²) is 3781185699302369971600
• 61491346540 cubed (61491346540³) is 232510200167894268166945558264000
• The square root of 61491346540 is 247974.4876796805
• The cube root of 61491346540 is 3947.0382442517

Scales and comparisons

• 61,491,346,540 seconds is equal to 1,955 years, 12 weeks, 1 day, 9 hours, 35 minutes, 40 seconds.
• To count from 1 to 61,491,346,540 would take you about three thousand, nine hundred ten 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 61491346540 cubic inches would be around 328.9 feet tall.

Recreational maths with 61491346540

• 61491346540 backwards is 04564319416
• The number of decimal digits it has is: 11
• The sum of 61491346540's digits is 43
• More coming soon!