21171214080

Names of 21171214080

• Cardinal: 21171214080 can be written as Twenty-one billion, one hundred seventy-one million, two hundred fourteen thousand and eighty.

Scientific notation

• Scientific notation: 2.117121408 × 10¹⁰

Factors of 21171214080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3724

Divisors of 21171214080

• Number of divisors d(n): 288
• 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 90 96 108 120 128 135 144 160 173 180 192 216 240 256 270 288 320 346 360 384 432 480 519 540 576 640 692 720 768 864 865 960 1038 1080 1152 1280 1384 1440 1557 1728 1730 1920 2076 2160 2304 2595 2768 2880 3114 3456 3460 3541 3840 4152 4320 4671 5190 5536 5760 6228 6912 6920 7082 7785 8304 8640 9342 10380 10623 11072 11520 12456 13840 14164 15570 16608 17280 17705 18684 20760 21246 22144 23355 24912 27680 28328 31140 31869 33216 34560 35410 37368 41520 42492 44288 46710 49824 53115 55360 56656 62280 63738 66432 70820 74736 83040 84984 93420 95607 99648 106230 110720 113312 124560 127476 132864 141640 149472 159345 166080 169968 186840 191214 199296 212460 221440 226624 249120 254952 283280 298944 318690 332160 339936 373680 382428 398592 424920 453248 478035 498240 509904 566560 597888 612593 637380 664320 679872 747360 764856 849840 906496 956070 996480 1019808 1133120 1195776 1225186 1274760 1359744 1494720 1529712 1699680 1837779 1912140 1992960 2039616 2266240 2450372 2549520 2719488 2989440 3059424 3062965 3399360 3675558 3824280 4079232 4532480 4900744 5099040 5513337 5978880 6118848 6125930 6798720 7351116 7648560 8158464 9188895 9801488 10198080 11026674 12237696 12251860 13597440 14702232 15297120 16540011 18377790 19602976 20396160 22053348 24475392 24503720 27566685 29404464 30594240 33080022 36755580 39205952 40792320 44106696 49007440 55133370 58808928 61188480 66160044 73511160 78411904 82700055 88213392 98014880 110266740 117617856 122376960 132320088 147022320 156823808 165400110 176426784 196029760 220533480 235235712 264640176 294044640 330800220 352853568 392059520 441066960 470471424 529280352 588089280 661600440 705707136 784119040 882133920 1058560704 1176178560 1323200880 1411414272 1764267840 2117121408 2352357120 2646401760 3528535680 4234242816 5292803520 7057071360 10585607040 21171214080
• Sum of all divisors σ(n): 75584013120
• Sum of proper divisors (its aliquot sum) s(n): 54412799040
• 21171214080 is an abundant number, because the sum of its proper divisors (54412799040) is greater than itself. Its abundance is 33241584960

Bases of 21171214080

• Binary: 10011101101111001110001011100000000₂
• Hexadecimal: 0x4EDE71700
• Base-36: 9Q4SLC0

Squares and roots of 21171214080

• 21171214080 squared (21171214080²) is 448220305621190246400
• 21171214080 cubed (21171214080³) is 9489368045309246090942349312000
• The square root of 21171214080 is 145503.3129519737
• The cube root of 21171214080 is 2766.4017748679

Scales and comparisons

• 21,171,214,080 seconds is equal to 673 years, 9 weeks, 2 days, 4 hours, 48 minutes.
• To count from 1 to 21,171,214,080 would take you about one thousand, three hundred forty-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 21171214080 cubic inches would be around 230.5 feet tall.

Recreational maths with 21171214080

• 21171214080 backwards is 08041217112
• 21171214080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21171214080's digits is 27
• More coming soon!