20420472072

Names of 20420472072

• Cardinal: 20420472072 can be written as Twenty billion, four hundred twenty million, four hundred seventy-two thousand and seventy-two.

Scientific notation

• Scientific notation: 2.0420472072 × 10¹⁰

Factors of 20420472072

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 138

Divisors of 20420472072

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 13 14 19 21 22 24 26 28 33 38 39 42 44 49 52 56 57 66 76 77 78 83 84 88 91 98 104 114 121 132 133 143 147 152 154 156 166 168 182 196 209 228 231 242 247 249 264 266 273 286 294 308 312 332 343 363 364 392 399 418 429 456 462 484 494 498 532 539 546 572 581 588 616 627 637 664 686 726 728 741 798 836 847 858 913 924 931 968 988 996 1001 1029 1064 1078 1079 1092 1144 1162 1176 1254 1274 1372 1452 1463 1482 1573 1577 1596 1617 1672 1694 1716 1729 1743 1826 1848 1862 1911 1976 1992 2002 2058 2156 2158 2184 2299 2324 2508 2541 2548 2717 2739 2744 2793 2904 2926 2964 3003 3146 3154 3192 3234 3237 3388 3432 3458 3486 3652 3724 3773 3822 4004 4067 4116 4312 4316 4389 4459 4598 4648 4719 4731 5016 5082 5096 5187 5434 5478 5586 5852 5928 5929 6006 6292 6308 6391 6468 6474 6517 6776 6897 6916 6972 7007 7304 7448 7546 7553 7644 8008 8134 8151 8232 8632 8778 8918 9196 9438 9462 10043 10164 10241 10374 10868 10956 11011 11039 11172 11319 11704 11858 11869 12012 12103 12201 12584 12616 12782 12936 12948 13034 13377 13794 13832 13944 14014 15092 15106 15288 16093 16268 16302 17347 17556 17787 17836 18392 18876 18924 19019 19173 19551 20086 20328 20482 20501 20748 21021 21736 21912 22022 22078 22344 22638 22659 23716 23738 24024 24206 24402 25564 25896 26068 26754 27588 28028 28469 29887 30129 30184 30212 30723 32186 32536 32604 33033 33117 34694 35112 35574 35607 35672 36309 37752 37848 38038 38346 39102 40172 40964 41002 41496 41503 42042 44044 44156 44737 45276 45318 47432 47476 48279 48412 48804 49049 51128 52041 52136 52871 53508 55176 56056 56938 57057 59774 60258 60424 61446 61503 64372 65208 66066 66234 69388 70301 71148 71214 71687 72618 76076 76692 77077 77273 78204 80344 81928 82004 83006 83083 84084 84721 85407 88088 88312 89474 89661 90552 90636 94952 96558 96824 97608 98098 104082 105742 107016 112651 113876 114114 119548 120516 121429 122892 123006 124509 128744 130559 132132 132468 133133 134211 138776 140602 142296 142428 143374 143507 145236 147147 152152 153384 154154 154546 156408 158613 164008 166012 166166 168168 169442 170814 178948 179322 181272 190817 193116 196196 208164 209209 210903 211484 215061 225302 225511 227752 228228 231231 231819 239096 241032 242858 245784 246012 249018 249249 254163 261118 264264 264936 266266 268422 281204 284856 286748 287014 290472 294294 308308 309092 313159 317226 332024 332332 337953 338884 341628 357896 358644 364287 370097 381634 386232 391677 392392 399399 416328 418418 421806 422968 430122 430521 450604 451022 456456 462462 463638 485716 492024 492107 498036 498498 508326 522236 532532 536844 539539 540911 562408 572451 573496 574028 581581 588588 616616 618184 626318 627627 634452 664664 675906 676533 677768 683256 717288 728574 740194 763268 783354 788557 798798 836836 843612 850003 860244 861042 901208 902044 913913 924924 927276 931931 939477 971432 984214 996072 996996 1004549 1016652 1044472 1065064 1073688 1079078 1081822 1110291 1144902 1148056 1163162 1177176 1252636 1255254 1268904 1335719 1351812 1353066 1457148 1464463 1476321 1480388 1526536 1566708 1577114 1578577 1597596 1618617 1622733 1673672 1687224 1700006 1720488 1722084 1744743 1804088 1827826 1849848 1854552 1863862 1878954 1968428 1993992 2009098 2033304 2158156 2163644 2220582 2289804 2326324 2365671 2480621 2505272 2510508 2550009 2671438 2703624 2706132 2741739 2795793 2914296 2928926 2952642 2960776 3013647 3133416 3154228 3157154 3195192 3237234 3245466 3400012 3444168 3444749 3489486 3655652 3727724 3757908 3936856 4007157 4018196 4071067 4316312 4327288 4393389 4441164 4579608 4652648 4731342 4735731 4961242 5021016 5100018 5342876 5412264 5483478 5591586 5857852 5905284 5950021 6027294 6308456 6314308 6397391 6474468 6490932 6800024 6889498 6978972 7031843 7311304 7441863 7455448 7515816 8014314 8036392 8142134 8786778 8882328 9350033 9462684 9471462 9922484 10200036 10251241 10334247 10685752 10966956 11050039 11183172 11715704 11810568 11900042 12054588 12213201 12628616 12794782 12948936 12981864 13778996 13957944 14063686 14883726 16028628 16284268 17364347 17573556 17850063 18700066 18925368 18942924 19192173 19844968 20400072 20502482 20668494 21095529 21933912 22100078 22366344 23800084 24109176 24426402 25589564 27557992 28050099 28127372 29767452 30753723 32057256 32568536 33150117 34728694 35147112 35700126 37400132 37885848 38384346 41004964 41336988 42191058 44200156 44781737 47600168 48852804 51179128 52093041 56100198 56254744 59534904 61507446 65450231 66300234 69457388 71400252 74800264 76768692 77350273 82009928 82673976 84382116 88400312 89563474 97705608 104186082 112200396 121550429 123014892 130900462 132600468 134345211 138914776 142800504 153537384 154700546 168764232 179126948 196350693 208372164 224400792 232050819 243100858 246029784 261800924 265200936 268690422 309401092 358253896 364651287 392701386 416744328 464101638 486201716 523601848 537380844 618802184 729302574 785402772 850853003 928203276 972403432 1074761688 1458605148 1570805544 1701706006 1856406552 2552559009 2917210296 3403412012 5105118018 6806824024 10210236036 20420472072
• Sum of all divisors σ(n): 75075840000
• Sum of proper divisors (its aliquot sum) s(n): 54655367928
• 20420472072 is an abundant number, because the sum of its proper divisors (54655367928) is greater than itself. Its abundance is 34234895856

Bases of 20420472072

• Binary: 10011000001001001111010110100001000₂
• Hexadecimal: 0x4C127AD08
• Base-36: 9DPTL3C

Squares and roots of 20420472072

• 20420472072 squared (20420472072²) is 416995679643331973184
• 20420472072 cubed (20420472072³) is 8515248630301319479428524917248
• The square root of 20420472072 is 142900.2171866789
• The cube root of 20420472072 is 2733.3081264513

Scales and comparisons

• 20,420,472,072 seconds is equal to 649 years, 16 weeks, 1 hour, 21 minutes, 12 seconds.
• To count from 1 to 20,420,472,072 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 20420472072 cubic inches would be around 227.8 feet tall.

Recreational maths with 20420472072

• 20420472072 backwards is 27027402402
• The number of decimal digits it has is: 11
• The sum of 20420472072's digits is 30
• More coming soon!