188428670820

Names of 188428670820

• Cardinal: 188428670820 can be written as One hundred eighty-eight billion, four hundred twenty-eight million, six hundred seventy thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.8842867082 × 10¹¹

Factors of 188428670820

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 124

Divisors of 188428670820

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 17 18 20 26 27 30 31 34 36 39 45 51 52 53 54 60 62 65 68 78 85 90 93 102 106 108 117 124 130 135 153 155 156 159 170 180 186 195 204 212 221 234 255 260 265 270 279 306 310 318 340 351 372 390 403 442 459 465 468 477 510 527 530 540 558 585 612 620 636 663 689 702 765 780 795 806 837 884 901 918 930 954 961 1020 1054 1060 1105 1116 1170 1209 1326 1378 1395 1404 1431 1530 1581 1590 1612 1643 1674 1755 1802 1836 1860 1908 1922 1989 2015 2067 2108 2210 2295 2340 2385 2418 2635 2652 2703 2756 2790 2862 2883 3060 3162 3180 3286 3315 3348 3445 3510 3604 3627 3844 3978 4030 4134 4185 4420 4505 4590 4743 4770 4805 4836 4929 5270 5406 5580 5724 5766 5967 6045 6201 6324 6572 6630 6851 6890 7020 7155 7254 7905 7956 8060 8109 8215 8268 8370 8649 9010 9180 9486 9540 9610 9858 9945 10335 10540 10812 10881 11532 11713 11934 12090 12402 12493 13260 13515 13702 13780 14229 14310 14415 14508 14787 15810 16218 16337 16430 16740 17298 18020 18135 18603 18972 19220 19716 19890 20553 20670 21359 21762 23426 23715 23868 24180 24327 24645 24804 24986 25947 27030 27404 27931 28458 28620 28830 29574 29791 29835 31005 31620 32436 32674 32860 34255 34596 35139 36270 37206 37479 39780 40545 41106 41340 42718 43245 43524 44361 46852 47430 48654 49011 49290 49972 50933 51894 54060 54405 55862 56916 57660 58565 59148 59582 59670 61659 62010 62465 64077 65348 68510 70278 71145 72540 73935 74412 74958 81090 81685 82212 83793 85436 86490 88722 89373 93015 94860 97308 98022 98580 101866 102765 103788 105417 106795 108810 111724 112437 117130 119164 119340 121635 123318 124020 124930 128154 129735 137020 139655 140556 142290 147033 147870 148955 149916 152799 162180 163370 167586 172980 175695 177444 178746 184977 186030 187395 192231 196044 203732 205530 210834 212381 213590 217620 221805 224874 234260 243270 245055 246636 249860 251379 254665 256308 259470 268119 279310 284580 294066 295740 297910 305598 308295 316251 320385 326740 335172 337311 351390 357492 363103 369954 372060 374790 384462 387283 411060 418965 421668 424762 427180 441099 443610 446865 449748 458397 486540 490110 502758 506447 509330 518940 527085 536238 558620 562185 576693 588132 595820 611196 616590 632502 637143 640770 662129 674622 702780 726206 735165 739908 749580 754137 763995 768924 774566 804357 837930 849524 865861 882198 887220 893730 916794 924885 961155 980220 1005516 1012894 1018660 1054170 1061905 1072476 1089309 1124370 1153386 1161849 1233180 1256895 1265004 1274286 1281540 1324258 1340595 1349244 1375191 1452412 1470330 1508274 1519341 1527990 1549132 1578923 1581255 1608714 1675860 1686555 1731722 1764396 1787460 1815515 1833588 1849770 1911429 1922310 1936415 1986387 2025788 2108340 2123810 2178618 2205495 2248740 2291985 2306772 2323698 2513790 2532235 2548572 2597583 2648516 2681190 2750382 2883465 2940660 3016548 3038682 3055980 3157846 3162510 3185715 3217428 3267927 3310645 3373110 3463444 3485547 3631030 3699540 3770685 3822858 3844620 3872830 3972774 4021785 4247620 4329305 4357236 4410990 4558023 4583970 4647396 4736769 5027580 5064470 5195166 5362380 5446545 5500764 5734287 5766930 5809245 5959161 6077364 6315692 6325020 6371430 6535854 6583811 6621290 6746220 6875955 6971094 7262060 7541370 7596705 7645716 7745660 7792749 7894615 7945548 8043570 8658610 8821980 9116046 9167940 9473538 9557145 9803781 9931935 10128940 10390332 10456641 10893090 11256193 11468574 11533860 11618490 11918322 12742860 12987915 13071708 13167622 13242580 13674069 13751910 13942188 14210307 15082740 15193410 15585498 15789230 16087140 16339635 17317220 17427735 17877483 18232092 18947076 19114290 19607562 19751433 19863870 20525999 20913282 21786180 22512386 22790115 22937148 23236980 23378247 23683845 23836644 25975830 26335244 26841691 27348138 27503820 28420614 28671435 29795805 30386820 31170996 31578460 32679270 32919055 33768579 34855470 35754966 38228580 38963745 39215124 39502866 39727740 41051998 41826564 42630921 45024772 45580230 46756494 47367690 49018905 51951660 52283205 53683382 54696276 56280965 56841228 57342870 59254299 59591610 61577997 65358540 65838110 67537158 68370345 69710940 71051535 71509932 77927490 79005732 80525073 82103996 85261842 89387415 91160460 93512988 94735380 98037810 98757165 101305737 102629995 104566410 107366764 112561930 114685740 116891235 118508598 119183220 123155994 131676220 134208455 135074316 136740690 142103070 155854980 161050146 168842895 170523684 177762897 178774830 184733991 196075620 197514330 202611474 205259990 209132820 213154605 225123860 233782470 237017196 241575219 246311988 268416910 273481380 284206140 296271495 303917211 307889985 322100292 337685790 348941983 355525794 357549660 369467982 395028660 402625365 405222948 410519980 426309210 467564940 483150438 506528685 536833820 554201973 592542990 607834422 615779970 675371580 697883966 711051588 724725657 738935964 805250730 852618420 888814485 923669955 966300876 1013057370 1046825949 1108403946 1185085980 1207876095 1215668844 1231559940 1395767932 1449451314 1519586055 1610501460 1744709915 1777628970 1847339910 2026114740 2093651898 2216807892 2415752190 2771009865 2898902628 3039172110 3140477847 3489419830 3555257940 3623628285 3694679820 4187303796 4831504380 5234129745 5542019730 6078344220 6280955694 6978839660 7247256570 9421433541 10468259490 11084039460 12561911388 14494513140 15702389235 18842867082 20936518980 31404778470 37685734164 47107167705 62809556940 94214335410 188428670820
• Sum of all divisors σ(n): 703766568960
• Sum of proper divisors (its aliquot sum) s(n): 515337898140
• 188428670820 is an abundant number, because the sum of its proper divisors (515337898140) is greater than itself. Its abundance is 326909227320

Bases of 188428670820

• Binary: 10101111011111001110010101011101100100₂
• Hexadecimal: 0x2BDF395764
• Base-36: 2EK9KCX0

Squares and roots of 188428670820

• 188428670820 squared (188428670820²) is 35505363986991919472400
• 188428670820 cubed (188428670820³) is 6690228543049183156264807675368000
• The square root of 188428670820 is 434083.7140690723
• The cube root of 188428670820 is 5733.0051011465

Scales and comparisons

• 188,428,670,820 seconds is equal to 5,991 years, 23 weeks, 2 days, 9 hours, 27 minutes.
• To count from 1 to 188,428,670,820 would take you about eleven thousand, nine hundred eighty-two 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 188428670820 cubic inches would be around 477.8 feet tall.

Recreational maths with 188428670820

• 188428670820 backwards is 028076824881
• 188428670820 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 188428670820's digits is 54
• More coming soon!