20425704390

Names of 20425704390

• Cardinal: 20425704390 can be written as Twenty billion, four hundred twenty-five million, seven hundred four thousand, three hundred ninety.

Scientific notation

• Scientific notation: 2.042570439 × 10¹⁰

Factors of 20425704390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1338

Divisors of 20425704390

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 31 35 39 42 45 49 54 62 63 65 70 78 81 90 91 93 98 105 117 126 130 135 147 155 162 182 186 189 195 210 217 234 245 270 273 279 294 310 315 351 378 390 403 405 434 441 455 465 490 546 558 567 585 630 637 651 702 735 806 810 819 837 882 910 930 945 1053 1085 1134 1170 1209 1274 1277 1302 1323 1365 1395 1470 1519 1638 1674 1755 1890 1911 1953 2015 2106 2170 2205 2418 2457 2511 2554 2646 2730 2790 2821 2835 3038 3185 3255 3510 3627 3822 3831 3906 3969 4030 4095 4185 4410 4557 4914 5022 5265 5642 5670 5733 5859 6045 6370 6385 6510 6615 7254 7371 7595 7662 7938 8190 8370 8463 8939 9114 9555 9765 10530 10881 11466 11493 11718 12090 12285 12555 12770 13230 13671 14105 14742 15190 16601 16926 17199 17577 17878 18135 19110 19155 19530 19747 19845 21762 22785 22986 24570 25110 25389 26817 27342 28210 28665 29295 32643 33202 34398 34479 35154 36270 36855 38310 39494 39587 39690 41013 42315 44695 45570 49803 50778 51597 53634 54405 57330 57465 58590 59241 62573 65286 68355 68958 73710 76167 79174 80451 82026 83005 84630 85995 87885 89390 98735 99606 103194 103437 108810 114930 116207 118482 118761 123039 125146 126945 134085 136710 149409 152334 160902 163215 166010 171990 172395 175770 177723 187719 197470 197935 205065 206874 228501 232414 237522 241353 246078 249015 253890 257985 268170 277109 296205 298818 312865 326430 344790 348621 355446 356283 375438 380835 395870 402255 410130 448227 457002 482706 498030 514631 515970 517185 533169 554218 563157 581035 592410 593805 615195 625730 697242 712566 724059 747045 761670 804510 813449 831327 888615 896454 938595 1029262 1034370 1045863 1066338 1068849 1126314 1142505 1162070 1187610 1206765 1230390 1344681 1385545 1448118 1494090 1543893 1599507 1626898 1662654 1689471 1743105 1777230 1781415 1877190 1939763 2091726 2137698 2241135 2285010 2413530 2440347 2493981 2573155 2665845 2689362 2771090 2815785 3087786 3137589 3199014 3206547 3378942 3486210 3562830 3602417 3620295 3879526 4067245 4156635 4482270 4631679 4880694 4987962 5068413 5146310 5229315 5331690 5344245 5631570 5819289 6275178 6413094 6723405 7204834 7240590 7321041 7481943 7719465 7997535 8134490 8313270 8447355 9263358 9412767 9698815 10136826 10458630 10688490 10807251 11638578 12201735 12469905 13446810 13895037 14642082 14963886 15438930 15687945 15995070 16032735 16894710 17457867 18012085 18825534 19397630 21614502 21963123 22445829 23158395 24403470 24939810 25216919 25342065 27790074 29096445 31375890 32065470 32421753 34915734 36024170 36605205 37409715 41685111 43926246 44891658 46316790 47063835 50433838 50684130 52373601 54036255 58192890 64843506 65889369 69475185 73210410 74819430 75650757 83370222 87289335 94127670 97265259 104747202 108072510 109815615 112229145 126084595 131778738 138950370 151301514 157120803 162108765 174578670 194530518 208425555 219631230 224458290 226952271 252169190 261868005 291795777 314241606 324217530 329446845 378253785 416851110 453904542 486326295 523736010 583591554 658893690 680856813 756507570 785604015 972652590 1134761355 1361713626 1458978885 1571208030 2042570439 2269522710 2917957770 3404284065 4085140878 6808568130 10212852195 20425704390
• Sum of all divisors σ(n): 71079047424
• Sum of proper divisors (its aliquot sum) s(n): 50653343034
• 20425704390 is an abundant number, because the sum of its proper divisors (50653343034) is greater than itself. Its abundance is 30227638644

Bases of 20425704390

• Binary: 10011000001011101111000001111000110₂
• Hexadecimal: 0x4C17783C6
• Base-36: 9DSXQDI

Squares and roots of 20425704390

• 20425704390 squared (20425704390²) is 417209399827665272100
• 20425704390 cubed (20425704390³) is 8521795869609207791783514519000
• The square root of 20425704390 is 142918.5236069837
• The cube root of 20425704390 is 2733.5415574897

Scales and comparisons

• 20,425,704,390 seconds is equal to 649 years, 24 weeks, 4 days, 14 hours, 46 minutes, 30 seconds.
• To count from 1 to 20,425,704,390 would take you about one thousand, two hundred ninety-eight 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 20425704390 cubic inches would be around 227.8 feet tall.

Recreational maths with 20425704390

• 20425704390 backwards is 09340752402
• The number of decimal digits it has is: 11
• The sum of 20425704390's digits is 36
• More coming soon!