21825389520

Names of 21825389520

• Cardinal: 21825389520 can be written as Twenty-one billion, eight hundred twenty-five million, three hundred eighty-nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.182538952 × 10¹⁰

Factors of 21825389520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 873

Divisors of 21825389520

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 33 36 40 44 45 48 54 55 60 66 72 80 88 90 99 108 110 113 120 121 132 135 144 165 176 180 198 216 220 226 240 242 264 270 297 330 339 360 363 396 432 440 452 484 495 528 540 565 594 605 660 678 720 726 739 792 880 904 968 990 1017 1080 1089 1130 1188 1210 1243 1320 1356 1452 1478 1485 1584 1695 1808 1815 1936 1980 2034 2160 2178 2217 2260 2376 2420 2486 2640 2712 2904 2956 2970 3051 3267 3390 3630 3695 3729 3960 4068 4356 4434 4520 4752 4840 4972 5085 5424 5445 5808 5912 5940 6102 6215 6534 6651 6780 7260 7390 7458 7920 8129 8136 8712 8868 9040 9680 9944 10170 10890 11085 11187 11824 11880 12204 12430 13068 13302 13560 13673 14520 14780 14916 15255 16258 16272 16335 17424 17736 18645 19888 19953 20340 21780 22170 22374 23760 24387 24408 24860 26136 26604 27120 27346 29040 29560 29832 30510 32516 32670 33255 33561 35472 37290 39906 40645 40680 41019 43560 44340 44748 48774 48816 49720 52272 53208 54692 55935 59120 59664 61020 65032 65340 66510 67122 68365 73161 74580 79812 81290 81360 82038 83507 87120 88680 89419 89496 97548 99440 99765 106416 109384 111870 121935 122040 123057 130064 130680 133020 134244 136730 146322 149160 159624 162580 164076 167014 167805 177360 178838 178992 195096 199530 205095 218768 219483 223740 243870 244080 246114 250521 261360 266040 268257 268488 273460 292644 298320 319248 325160 328152 334028 335610 357676 365805 369171 390192 399060 410190 417535 438966 447095 447480 487740 492228 501042 532080 536514 536976 546920 585288 615285 650320 656304 668056 671220 715352 731610 738342 751563 798120 804771 820380 835070 877932 894190 894960 918577 975480 984456 1002084 1073028 1093840 1097415 1170576 1230570 1252605 1336112 1341285 1342440 1430704 1463220 1476684 1503126 1596240 1609542 1640760 1670140 1755864 1788380 1837154 1845855 1950960 1968912 2004168 2146056 2194830 2254689 2414313 2461140 2505210 2682570 2684880 2755731 2926440 2953368 3006252 3219084 3281520 3340280 3511728 3576760 3674308 3691710 3757815 4008336 4023855 4292112 4389660 4509378 4592885 4828626 4922280 5010420 5365140 5511462 5852880 5906736 6012504 6438168 6680560 7153520 7348616 7383420 7515630 8047710 8267193 8779320 9018756 9185770 9657252 9844560 10020840 10104347 10730280 11022924 11273445 12025008 12071565 12876336 13778655 14697232 14766840 15031260 16095420 16534386 17558640 18037512 18371540 19314504 20041680 20208694 21460560 22045848 22546890 24143130 24801579 27557310 29533680 30062520 30313041 32190840 33068772 36075024 36743080 38629008 40417388 41335965 44091696 45093780 48286260 49603158 50521735 55114620 60125040 60626082 64381680 66137544 73486160 80834776 82671930 90187560 90939123 96572520 99206316 101043470 110229240 121252164 124007895 132275088 151565205 161669552 165343860 180375120 181878246 193145040 198412632 202086940 220458480 242504328 248015790 272817369 303130410 330687720 363756492 396825264 404173880 454695615 485008656 496031580 545634738 606260820 661375440 727512984 808347760 909391230 992063160 1091269476 1212521640 1364086845 1455025968 1818782460 1984126320 2182538952 2425043280 2728173690 3637564920 4365077904 5456347380 7275129840 10912694760 21825389520
• Sum of all divisors σ(n): 83475907200
• Sum of proper divisors (its aliquot sum) s(n): 61650517680
• 21825389520 is an abundant number, because the sum of its proper divisors (61650517680) is greater than itself. Its abundance is 39825128160

Bases of 21825389520

• Binary: 10100010100111001010000001111010000₂
• Hexadecimal: 0x514E503D0
• Base-36: A0Y9UC0

Squares and roots of 21825389520

• 21825389520 squared (21825389520²) is 476347627699725830400
• 21825389520 cubed (21825389520³) is 10396472521474457845685457408000
• The square root of 21825389520 is 147734.1853465203
• The cube root of 21825389520 is 2794.6065188745

Scales and comparisons

• 21,825,389,520 seconds is equal to 693 years, 50 weeks, 6 days, 16 hours, 12 minutes.
• To count from 1 to 21,825,389,520 would take you about one thousand, three hundred eighty-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 21825389520 cubic inches would be around 232.9 feet tall.

Recreational maths with 21825389520

• 21825389520 backwards is 02598352812
• 21825389520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21825389520's digits is 45
• More coming soon!