20874399840

Names of 20874399840

• Cardinal: 20874399840 can be written as Twenty billion, eight hundred seventy-four million, three hundred ninety-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.087439984 × 10¹⁰

Factors of 20874399840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 10974

Divisors of 20874399840

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 49 54 56 60 63 70 72 80 81 84 90 96 98 105 108 112 120 126 135 140 144 147 160 162 168 180 189 196 210 216 224 240 243 245 252 270 280 288 294 315 324 336 360 378 392 405 420 432 441 480 486 490 504 540 560 567 588 630 648 672 720 735 756 784 810 840 864 882 945 972 980 1008 1080 1120 1134 1176 1215 1260 1296 1323 1440 1470 1512 1568 1620 1680 1701 1764 1890 1944 1960 2016 2160 2205 2268 2352 2430 2520 2592 2646 2835 2940 3024 3240 3360 3402 3528 3780 3888 3920 3969 4320 4410 4536 4704 4860 5040 5292 5670 5880 6048 6480 6615 6804 7056 7560 7776 7840 7938 8505 8820 9072 9720 10080 10584 10957 11340 11760 11907 12960 13230 13608 14112 15120 15876 17010 17640 18144 19440 19845 21168 21914 22680 23520 23814 26460 27216 30240 31752 32871 34020 35280 38880 39690 42336 43828 45360 47628 52920 54432 54785 59535 63504 65742 68040 70560 76699 79380 87656 90720 95256 98613 105840 109570 119070 127008 131484 136080 153398 158760 164355 175312 190512 197226 211680 219140 230097 238140 262968 272160 295839 306796 317520 328710 350624 381024 383495 394452 438280 460194 476280 493065 525936 536893 591678 613592 635040 657420 690291 766990 788904 876560 887517 920388 952560 986130 1051872 1073786 1150485 1183356 1227184 1314840 1380582 1479195 1533980 1577808 1610679 1753120 1775034 1840776 1905120 1972260 2070873 2147572 2300970 2366712 2454368 2629680 2662551 2684465 2761164 2958390 3067960 3155616 3221358 3451455 3550068 3681552 3944520 4141746 4295144 4437585 4601940 4733424 4832037 5259360 5325102 5368930 5522328 5916780 6135920 6212619 6442716 6902910 7100136 7363104 7889040 8053395 8283492 8590288 8875170 9203880 9466848 9664074 10354365 10650204 10737860 11044656 11833560 12271840 12425238 12885432 13312755 13805820 14200272 14496111 15778080 16106790 16566984 17180576 17750340 18407760 18637857 19328148 20708730 21300408 21475720 22089312 23667120 24160185 24850476 25770864 26625510 27611640 28400544 28992222 31063095 32213580 33133968 35500680 36815520 37275714 38656296 41417460 42600816 42951440 43488333 47334240 48320370 49700952 51541728 53251020 55223280 57984444 62126190 64427160 66267936 71001360 72480555 74551428 77312592 82834920 85201632 85902880 86976666 93189285 96640740 99401904 106502040 110446560 115968888 124252380 128854320 130464999 142002720 144961110 149102856 154625184 165669840 173953332 186378570 193281480 198803808 213004080 217441665 231937776 248504760 257708640 260929998 289922220 298205712 331339680 347906664 372757140 386562960 426008160 434883330 463875552 497009520 521859996 579844440 596411424 652324995 695813328 745514280 773125920 869766660 994019040 1043719992 1159688880 1304649990 1391626656 1491028560 1739533320 2087439984 2319377760 2609299980 2982057120 3479066640 4174879968 5218599960 6958133280 10437199920 20874399840
• Sum of all divisors σ(n): 85940788752
• Sum of proper divisors (its aliquot sum) s(n): 65066388912
• 20874399840 is an abundant number, because the sum of its proper divisors (65066388912) is greater than itself. Its abundance is 44191989072

Bases of 20874399840

• Binary: 10011011100001101100001000001100000₂
• Hexadecimal: 0x4DC361060
• Base-36: 9L82U00

Squares and roots of 20874399840

• 20874399840 squared (20874399840²) is 435740568680192025600
• 20874399840 cubed (20874399840³) is 9095822857139309430353915904000
• The square root of 20874399840 is 144479.7558137471
• The cube root of 20874399840 is 2753.4128356501

Scales and comparisons

• 20,874,399,840 seconds is equal to 663 years, 38 weeks, 3 days, 20 hours, 24 minutes.
• To count from 1 to 20,874,399,840 would take you about one thousand, three hundred twenty-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 20874399840 cubic inches would be around 229.5 feet tall.

Recreational maths with 20874399840

• 20874399840 backwards is 04899347802
• 20874399840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20874399840's digits is 54
• More coming soon!