401978488428

Names of 401978488428

• Cardinal: 401978488428 can be written as Four hundred one billion, nine hundred seventy-eight million, four hundred eighty-eight thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 4.01978488428 × 10¹¹

Factors of 401978488428

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 202

Divisors of 401978488428

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 73 81 99 108 113 121 132 146 162 198 219 226 242 292 297 324 339 363 396 438 452 484 594 657 678 726 803 876 891 1017 1089 1188 1243 1314 1331 1356 1452 1606 1782 1971 2034 2178 2409 2486 2628 2662 3051 3212 3267 3564 3729 3942 3993 4068 4356 4818 4972 5324 5913 6102 6534 7227 7458 7884 7986 8249 8833 9153 9636 9801 11187 11826 11979 12204 12769 13068 13673 14454 14916 15972 16498 17666 18306 19602 21681 22374 23652 23958 24747 25538 26499 27346 28908 32996 33561 35332 35937 36612 38307 39204 41019 43362 44748 47916 49494 51076 52998 54692 65043 67122 71874 74241 76614 79497 82038 86724 90739 97163 98988 100683 105996 107811 114921 123057 130086 134244 140459 143748 148482 150403 153228 158994 164076 181478 194326 201366 215622 222723 229842 238491 246114 260172 272217 280918 291489 296964 300806 317988 344763 362956 369171 388652 402732 421377 431244 445446 451209 459684 476982 492228 544434 561836 582978 601612 668169 689526 715473 738342 816651 842754 874467 890892 902418 932137 953964 998129 1034289 1088868 1107513 1165956 1264131 1336338 1353627 1379052 1430946 1476684 1545049 1633302 1685508 1748934 1804836 1864274 1996258 2068578 2215026 2449953 2528262 2623401 2672676 2707254 2796411 2861892 2994387 3090098 3266604 3497868 3728548 3792393 3992516 4060881 4137156 4430052 4635147 4899906 5056524 5246802 5414508 5592822 5988774 6180196 7349859 7584786 7870203 8121762 8389233 8983161 9270294 9799812 10253507 10493604 10979419 11185644 11377179 11977548 12182643 13905441 14699718 15169572 15740406 16243524 16778466 16995539 17966322 18540588 20507014 21958838 22754358 24365286 25167699 26949483 27810882 29399436 30760521 31480812 32938257 33556932 33991078 35932644 41014028 41716323 43917676 45508716 48730572 50335398 50986617 53898966 55621764 61521042 65876514 67982156 75503097 80848449 83432646 92281563 98814771 100670796 101973234 107797932 112788577 123042084 125148969 131753028 151006194 152959851 161696898 166865292 184563126 197629542 203946468 225577154 250297938 276844689 296444313 302012388 305919702 323393796 338365731 369126252 395259084 451154308 458879553 500595876 553689378 592888626 611839404 676731462 830534067 889332939 917759106 1015097193 1107378756 1185777252 1240674347 1353462924 1376638659 1661068134 1778665878 1835518212 2030194386 2481348694 2753277318 3045291579 3322136268 3557331756 3722023041 4060388772 4962697388 5506554636 6090583158 7444046082 9135874737 11166069123 12181166316 14888092164 18271749474 22332138246 33498207369 36543498948 44664276492 66996414738 100494622107 133992829476 200989244214 401978488428
• Sum of all divisors σ(n): 1182151706736
• Sum of proper divisors (its aliquot sum) s(n): 780173218308
• 401978488428 is an abundant number, because the sum of its proper divisors (780173218308) is greater than itself. Its abundance is 378194729880

Bases of 401978488428

• Binary: 101110110010111110010001111011001101100₂
• Hexadecimal: 0x5D97C8F66C
• Base-36: 54NZM2R0

Squares and roots of 401978488428

• 401978488428 squared (401978488428²) is 161586705158859729911184
• 401978488428 cubed (401978488428³) is 64954379489819343841778083011778752
• The square root of 401978488428 is 634017.7351052573
• The cube root of 401978488428 is 7380.1910460161

Scales and comparisons

• 401,978,488,428 seconds is equal to 12,781 years, 34 weeks, 6 days, 19 hours, 13 minutes, 48 seconds.
• To count from 1 to 401,978,488,428 would take you about twenty-five thousand, five hundred sixty-three 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 401978488428 cubic inches would be around 615 feet tall.

Recreational maths with 401978488428

• 401978488428 backwards is 824884879104
• The number of decimal digits it has is: 12
• The sum of 401978488428's digits is 63
• More coming soon!