28428801408

Names of 28428801408

• Cardinal: 28428801408 can be written as Twenty-eight billion, four hundred twenty-eight million, eight hundred one thousand, four hundred eight.

Scientific notation

• Scientific notation: 2.8428801408 × 10¹⁰

Factors of 28428801408

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 831

Divisors of 28428801408

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 37 42 48 56 63 64 72 74 84 96 111 112 126 128 144 148 151 168 192 222 224 252 259 288 296 302 333 336 384 444 448 453 504 518 576 592 604 631 666 672 777 888 896 906 1008 1036 1057 1152 1184 1208 1262 1332 1344 1359 1554 1776 1812 1893 2016 2072 2114 2331 2368 2416 2524 2664 2688 2718 3108 3171 3552 3624 3786 4032 4144 4228 4417 4662 4736 4832 5048 5328 5436 5587 5679 6216 6342 7104 7248 7572 8064 8288 8456 8834 9324 9513 9664 10096 10656 10872 11174 11358 12432 12684 13251 14208 14496 15144 16576 16761 16912 17668 18648 19026 19328 20192 21312 21744 22348 22716 23347 24864 25368 26502 28992 30288 33152 33522 33824 35336 37296 38052 39109 39753 40384 42624 43488 44696 45432 46694 49728 50283 50736 53004 57984 60576 67044 67648 70041 70672 74592 76104 78218 79506 80768 86976 89392 90864 93388 95281 99456 100566 101472 106008 117327 121152 134088 135296 140082 141344 149184 152208 156436 159012 163429 173952 178784 181728 186776 190562 201132 202944 210123 212016 234654 242304 268176 280164 282688 285843 298368 304416 312872 318024 326858 351981 357568 363456 373552 381124 402264 405888 420246 424032 469308 490287 536352 560328 565376 571686 608832 625744 636048 653716 666967 703962 715136 726912 747104 762248 804528 840492 848064 857529 938616 980574 1072704 1120656 1143372 1217664 1251488 1272096 1307432 1333934 1407924 1470861 1494208 1524496 1609056 1680984 1696128 1715058 1877232 1961148 2000901 2145408 2241312 2286744 2502976 2544192 2614864 2667868 2815848 2941722 2988416 3048992 3218112 3361968 3430116 3525397 3754464 3922296 4001802 4482624 4573488 5005952 5088384 5229728 5335736 5631696 5883444 6002703 6097984 6436224 6723936 6860232 7050794 7508928 7844592 8003604 8965248 9146976 10459456 10576191 10671472 11263392 11766888 12005406 12195968 13447872 13720464 14101588 15017856 15689184 16007208 18293952 20918912 21152382 21342944 22526784 23533776 24010812 24677779 26895744 27440928 28203176 31378368 31728573 32014416 36587904 42304764 42685888 45053568 47067552 48021624 49355558 54881856 56406352 62756736 63457146 64028832 74033337 84609528 85371776 94135104 96043248 98711116 109763712 112812704 126914292 128057664 148066674 169219056 188270208 192086496 197422232 222100011 225625408 253828584 256115328 296133348 338438112 384172992 394844464 444200022 451250816 507657168 592266696 676876224 768345984 789688928 888400044 1015314336 1184533392 1353752448 1579377856 1776800088 2030628672 2369066784 3158755712 3553600176 4061257344 4738133568 7107200352 9476267136 14214400704 28428801408
• Sum of all divisors σ(n): 96809456640
• Sum of proper divisors (its aliquot sum) s(n): 68380655232
• 28428801408 is an abundant number, because the sum of its proper divisors (68380655232) is greater than itself. Its abundance is 39951853824

Bases of 28428801408

• Binary: 11010011110011111010001010110000000₂
• Hexadecimal: 0x69E7D1580
• Base-36: D25RVK0

Squares and roots of 28428801408

• 28428801408 squared (28428801408²) is 808196749495502782464
• 28428801408 cubed (28428801408³) is 22976064889998772791780480909312
• The square root of 28428801408 is 168608.4262663051
• The cube root of 28428801408 is 3052.0116231557

Scales and comparisons

• 28,428,801,408 seconds is equal to 903 years, 49 weeks, 2 days, 1 hour, 16 minutes, 48 seconds.
• To count from 1 to 28,428,801,408 would take you about one thousand, eight hundred seven 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 28428801408 cubic inches would be around 254.3 feet tall.

Recreational maths with 28428801408

• 28428801408 backwards is 80410882482
• The number of decimal digits it has is: 11
• The sum of 28428801408's digits is 45
• More coming soon!