20718790740

Names of 20718790740

• Cardinal: 20718790740 can be written as Twenty billion, seven hundred eighteen million, seven hundred ninety thousand, seven hundred forty.

Scientific notation

• Scientific notation: 2.071879074 × 10¹⁰

Factors of 20718790740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 249

Divisors of 20718790740

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 29 30 36 45 53 54 58 60 81 87 90 106 108 116 135 145 157 159 162 174 180 212 261 265 270 290 314 318 324 348 405 435 471 477 522 530 540 580 628 636 783 785 795 810 870 942 954 1044 1060 1305 1413 1431 1537 1566 1570 1590 1620 1740 1884 1908 2349 2355 2385 2610 2809 2826 2862 3074 3132 3140 3180 3915 4239 4293 4553 4611 4698 4710 4770 5220 5618 5652 5724 6148 7065 7155 7685 7830 8321 8427 8478 8586 9106 9222 9396 9420 9540 11236 11745 12717 13659 13833 14045 14130 14310 15370 15660 16642 16854 16956 17172 18212 18444 21195 21465 22765 23055 23490 24963 25281 25434 27318 27666 28090 28260 28620 30740 33284 33708 40977 41499 41605 42135 42390 42930 45530 46110 46980 49926 50562 50868 54636 55332 56180 63585 68295 69165 74889 75843 81461 81954 82998 83210 84270 84780 85860 91060 92220 99852 101124 122931 124497 124815 126405 127170 136590 138330 149778 151686 162922 163908 165996 166420 168540 204885 207495 224667 227529 241309 244383 245862 248994 249630 252810 254340 273180 276660 299556 303372 325844 368793 374445 379215 407305 409770 414990 441013 449334 455058 482618 488766 491724 497988 499260 505620 614655 622485 674001 723927 733149 737586 748890 758430 814610 819540 829980 882026 898668 910116 965236 977532 1123335 1137645 1206545 1221915 1229310 1244970 1323039 1348002 1447854 1466298 1475172 1497780 1516860 1629220 1764052 1843965 2171781 2199447 2205065 2246670 2275290 2413090 2443830 2458620 2489940 2646078 2696004 2895708 2932596 3370005 3619635 3665745 3687930 3969117 4343562 4398894 4410130 4493340 4550580 4826180 4887660 5292156 6515343 6598341 6615195 6740010 7239270 7331490 7375860 7938234 8687124 8797788 8820260 10858905 10997235 11907351 12789377 13030686 13196682 13230390 13480020 14478540 14662980 15876468 19546029 19845585 21717810 21994470 23814702 25578754 26061372 26393364 26460780 32576715 32991705 35722053 38368131 39092058 39691170 43435620 43988940 47629404 51157508 59536755 63946885 65153430 65983410 71444106 76736262 78184116 79382340 97730145 115104393 119073510 127893770 130306860 131966820 142888212 153472524 178610265 191840655 195460290 230208786 238147020 255787540 345313179 357220530 383681310 390920580 460417572 575521965 690626358 714441060 767362620 1035939537 1151043930 1381252716 1726565895 2071879074 2302087860 3453131790 4143758148 5179697685 6906263580 10359395370 20718790740
• Sum of all divisors σ(n): 68965890840
• Sum of proper divisors (its aliquot sum) s(n): 48247100100
• 20718790740 is an abundant number, because the sum of its proper divisors (48247100100) is greater than itself. Its abundance is 27528309360

Bases of 20718790740

• Binary: 10011010010111011111010100001010100₂
• Hexadecimal: 0x4D2EFA854
• Base-36: 9INFL90

Squares and roots of 20718790740

• 20718790740 squared (20718790740²) is 429268289727909747600
• 20718790740 cubed (20718790740³) is 8893919866190253598130617224000
• The square root of 20718790740 is 143940.2332219869
• The cube root of 20718790740 is 2746.5539530665

Scales and comparisons

• 20,718,790,740 seconds is equal to 658 years, 41 weeks, 1 day, 19 hours, 39 minutes.
• To count from 1 to 20,718,790,740 would take you about one thousand, three hundred seventeen 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 20718790740 cubic inches would be around 228.9 feet tall.

Recreational maths with 20718790740

• 20718790740 backwards is 04709781702
• 20718790740 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20718790740's digits is 45
• More coming soon!