28015128793899520

Names of 28015128793899520

• Cardinal: 28015128793899520 can be written as Twenty-eight quadrillion, fifteen trillion, one hundred twenty-eight billion, seven hundred ninety-three million, eight hundred ninety-nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.801512879389952 × 10¹⁶

Factors of 28015128793899520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 131098

Divisors of 28015128793899520

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 49 52 56 64 65 70 80 91 98 104 112 128 130 140 160 182 196 208 224 245 256 260 280 320 364 392 416 448 455 490 512 520 560 637 640 728 784 832 896 910 980 1040 1120 1274 1280 1456 1568 1664 1792 1820 1960 2080 2240 2548 2560 2912 3136 3185 3328 3584 3640 3920 4160 4480 5096 5824 6272 6370 6656 7280 7840 8320 8960 10192 11648 12544 12740 14560 15680 16640 17920 20384 23296 25088 25480 29120 31360 33280 40768 46592 50960 58240 62720 81536 101920 116480 125440 131071 163072 203840 232960 262142 326144 407680 524284 655355 815360 917497 1048568 1310710 1630720 1703923 1834994 2097136 2621420 3407846 3669988 4194272 4587485 5242840 6422479 6815692 7339976 8388544 8519615 9174970 10485680 11927461 12844958 13631384 14679952 16777088 17039230 18349940 20971360 23854922 25689916 27262768 29359904 32112395 33554176 34078460 36699880 41942720 47709844 51379832 54525536 58719808 59637305 64224790 67108352 68156920 73399760 83492227 83885440 95419688 102759664 109051072 117439616 119274610 128449580 136313840 146799520 166984454 167770880 190839376 205519328 218102144 234879232 238549220 256899160 272627680 293599040 333968908 335541760 381678752 411038656 417461135 436204288 469758464 477098440 513798320 545255360 587198080 667937816 763357504 822077312 834922270 872408576 954196880 1027596640 1090510720 1174396160 1335875632 1526715008 1644154624 1669844540 1908393760 2055193280 2181021440 2348792320 2671751264 3053430016 3288309248 3339689080 3816787520 4110386560 4362042880 5343502528 6106860032 6679378160 7633575040 8220773120 10687005056 13358756320 15267150080 16441546240 17179607041 21374010112 26717512640 30534300160 34359214082 42748020224 53435025280 68718428164 85898035205 106870050560 120257249287 137436856328 171796070410 213740101120 223334891533 240514498574 274873712656 343592140820 446669783066 481028997148 549747425312 601286246435 687184281640 841800745009 893339566132 962057994296 1099494850624 1116674457665 1202572492870 1374368563280 1563344240731 1683601490018 1786679132264 1924115988592 2198989701248 2233348915330 2405144985740 2748737126560 3126688481462 3367202980036 3573358264528 3848231977184 4209003725045 4397979402496 4466697830660 4810289971480 5497474253120 6253376962924 6734405960072 7146716529056 7696463954368 7816721203655 8418007450090 8795958804992 8933395661320 9620579942960 10943409685117 10994948506240 12506753925848 13468811920144 14293433058112 15392927908736 15633442407310 16836014900180 17866791322640 19241159885920 21886819370234 21989897012480 25013507851696 26937623840288 28586866116224 30785855817472 31266884814620 33672029800360 35733582645280 38482319771840 43773638740468 43979794024960 50027015703392 53875247680576 54717048425585 57173732232448 61571711634944 62533769629240 67344059600720 71467165290560 76964639543680 87547277480936 100054031406784 107750495361152 109434096851170 114347464464896 125067539258480 134688119201440 142934330581120 153929279087360 175094554961872 200108062813568 215500990722304 218868193702340 250135078516960 269376238402880 285868661162240 307858558174720 350189109923744 400216125627136 431001981444608 437736387404680 500270157033920 538752476805760 571737322324480 700378219847488 800432251254272 875472774809360 1000540314067840 1077504953611520 1400756439694976 1750945549618720 2001080628135680 2155009907223040 2801512879389952 3501891099237440 4002161256271360 5603025758779904 7003782198474880 14007564396949760 28015128793899520
• Sum of all divisors σ(n): 84148487565000012
• Sum of proper divisors (its aliquot sum) s(n): 56133358771100492
• 28015128793899520 is an abundant number, because the sum of its proper divisors (56133358771100492) is greater than itself. Its abundance is 28118229977200972

Bases of 28015128793899520

• Binary: 1100011100001111001110001111000000110001110001000000000₂
• Hexadecimal: 0x63879C7818E200
• Base-36: 7NUJ8HUP3WG

Squares and roots of 28015128793899520

• 28015128793899520 squared (28015128793899520²) is 784847441338777974153567856230400
• 28015128793899520 cubed (28015128793899520³) is 21987602152668363261576886216070180839943569408000
• The square root of 28015128793899520 is 167377205.1203494077
• The cube root of 28015128793899520 is 303713.5777318511

Scales and comparisons

• 28,015,128,793,899,520 seconds is equal to 890,794,439 years, 8 weeks, 3 days, 7 hours, 38 minutes, 40 seconds.
• To count from 1 to 28,015,128,793,899,520 would take you about two billion, six hundred seventy-two million, three hundred eighty-three thousand, three hundred seventeen 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 28015128793899520 cubic inches would be around 25309.5 feet tall.

Recreational maths with 28015128793899520

• 28015128793899520 backwards is 02599839782151082
• The number of decimal digits it has is: 17
• The sum of 28015128793899520's digits is 79
• More coming soon!