21273520290

Names of 21273520290

• Cardinal: 21273520290 can be written as Twenty-one billion, two hundred seventy-three million, five hundred twenty thousand, two hundred ninety.

Scientific notation

• Scientific notation: 2.127352029 × 10¹⁰

Factors of 21273520290

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 585

Divisors of 21273520290

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 10 11 15 22 30 31 33 43 55 62 66 86 93 110 129 137 155 165 186 215 258 274 310 330 341 353 411 430 465 473 645 682 685 706 822 930 946 1023 1059 1290 1333 1370 1419 1507 1705 1765 2046 2055 2118 2365 2666 2838 3014 3410 3530 3883 3999 4110 4247 4521 4730 5115 5295 5891 6665 7095 7535 7766 7998 8494 9042 10230 10590 10943 11649 11782 12741 13330 14190 14663 15070 15179 17673 19415 19995 21235 21886 22605 23298 25482 29326 29455 30358 32829 35346 38830 39990 42470 43989 45210 45537 46717 48361 54715 58245 58910 63705 64801 65658 73315 75895 87978 88365 91074 93434 96722 109430 116490 120373 127410 129602 140151 145083 146630 151790 164145 166969 176730 182621 194403 219945 227685 233585 240746 241805 280302 290166 324005 328290 333938 361119 365242 388806 439890 455370 467170 470549 483610 500907 531971 547863 601865 648010 700755 722238 725415 834845 913105 941098 972015 1001814 1063942 1095726 1203730 1401510 1411647 1450830 1499191 1595913 1669690 1805595 1826210 1944030 2008831 2079523 2352745 2504535 2659855 2739315 2823294 2998382 3191826 3611190 4017662 4159046 4497573 4705490 5009070 5176039 5319710 5478630 6026493 6238569 7058235 7495955 7979565 8995146 10044155 10352078 10397615 12052986 12477138 14116470 14991910 15528117 15959130 16491101 20088310 20795230 22487865 22874753 25880195 30132465 31056234 31192845 32982202 44975730 45749506 49473303 51760390 60264930 62385690 64465213 68624259 77640585 82455505 98946606 114373765 128930426 137248518 155281170 164911010 193395639 228747530 247366515 322326065 343121295 386791278 494733030 644652130 686242590 709117343 966978195 1418234686 1933956390 2127352029 3545586715 4254704058 7091173430 10636760145 21273520290
• Sum of all divisors σ(n): 59429044224
• Sum of proper divisors (its aliquot sum) s(n): 38155523934
• 21273520290 is an abundant number, because the sum of its proper divisors (38155523934) is greater than itself. Its abundance is 16882003644

Bases of 21273520290

• Binary: 10011110100000000000010100010100010₂
• Hexadecimal: 0x4F40028A2
• Base-36: 9RTPDB6

Squares and roots of 21273520290

• 21273520290 squared (21273520290²) is 452562665529041684100
• 21273520290 cubed (21273520290³) is 9627601047628551850957120389000
• The square root of 21273520290 is 145854.4489893949
• The cube root of 21273520290 is 2770.8506681943

Scales and comparisons

• 21,273,520,290 seconds is equal to 676 years, 22 weeks, 3 days, 7 hours, 11 minutes, 30 seconds.
• To count from 1 to 21,273,520,290 would take you about one thousand, three hundred fifty-two 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 21273520290 cubic inches would be around 230.9 feet tall.

Recreational maths with 21273520290

• 21273520290 backwards is 09202537212
• 21273520290 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21273520290's digits is 33
• More coming soon!