61450729920

Names of 61450729920

• Cardinal: 61450729920 can be written as Sixty-one billion, four hundred fifty million, seven hundred twenty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.145072992 × 10¹⁰

Factors of 61450729920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 85784

Divisors of 61450729920

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 83 90 96 108 120 135 144 160 166 180 192 216 240 249 270 288 320 332 360 415 432 480 498 540 576 664 720 747 830 864 960 996 1080 1245 1328 1440 1494 1660 1728 1992 2160 2241 2490 2656 2880 2988 3320 3735 3984 4320 4482 4980 5312 5976 6640 7470 7968 8640 8964 9960 11205 11952 13280 14940 15936 17928 19920 22410 23904 26560 29880 35856 39840 44820 47808 59760 71712 79680 85691 89640 119520 143424 171382 179280 239040 257073 342764 358560 428455 514146 685528 717120 771219 856910 1028292 1285365 1371056 1542438 1713820 2056584 2313657 2570730 2742112 3084876 3427640 3856095 4113168 4627314 5141460 5484224 6169752 6855280 7112353 7712190 8226336 9254628 10282920 11568285 12339504 13710560 14224706 15424380 16452672 18509256 20565840 21337059 23136570 24679008 27421120 28449412 30848760 35561765 37018512 41131680 42674118 46273140 49358016 56898824 61697520 64011177 71123530 74037024 82263360 85348236 92546280 106685295 113797648 123395040 128022354 142247060 148074048 170696472 185092560 192033531 213370590 227595296 246790080 256044708 284494120 320055885 341392944 370185120 384067062 426741180 455190592 512089416 568988240 640111770 682785888 740370240 768134124 853482360 960167655 1024178832 1137976480 1280223540 1365571776 1536268248 1706964720 1920335310 2048357664 2275952960 2560447080 3072536496 3413929440 3840670620 4096715328 5120894160 6145072992 6827858880 7681341240 10241788320 12290145984 15362682480 20483576640 30725364960 61450729920
• Sum of all divisors σ(n): 219398941440
• Sum of proper divisors (its aliquot sum) s(n): 157948211520
• 61450729920 is an abundant number, because the sum of its proper divisors (157948211520) is greater than itself. Its abundance is 96497481600

Bases of 61450729920

• Binary: 111001001110101111111011100111000000₂
• Hexadecimal: 0xE4EBFB9C0
• Base-36: S8A6EO0

Squares and roots of 61450729920

• 61450729920 squared (61450729920²) is 3776192207700783206400
• 61450729920 cubed (61450729920³) is 232049767481429372988958015488000
• The square root of 61450729920 is 247892.5773797997
• The cube root of 61450729920 is 3946.1690126609

Scales and comparisons

• 61,450,729,920 seconds is equal to 1,953 years, 49 weeks, 7 hours, 12 minutes.
• To count from 1 to 61,450,729,920 would take you about three thousand, nine hundred 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 61450729920 cubic inches would be around 328.8 feet tall.

Recreational maths with 61450729920

• 61450729920 backwards is 02992705416
• 61450729920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 61450729920's digits is 45
• More coming soon!