20490494976

Names of 20490494976

• Cardinal: 20490494976 can be written as Twenty billion, four hundred ninety million, four hundred ninety-four thousand, nine hundred seventy-six.

Scientific notation

• Scientific notation: 2.0490494976 × 10¹⁰

Factors of 20490494976

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 333

Divisors of 20490494976

• Number of divisors d(n): 528
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 32 36 38 42 48 56 57 63 64 72 73 76 84 96 112 114 126 128 133 144 146 152 168 171 192 219 224 228 229 252 256 266 288 292 304 336 342 384 399 438 448 456 458 504 511 512 532 576 584 608 657 672 684 687 768 798 876 896 912 916 1008 1022 1024 1064 1152 1168 1197 1216 1314 1344 1368 1374 1387 1533 1536 1596 1603 1752 1792 1824 1832 2016 2044 2061 2128 2304 2336 2394 2432 2628 2688 2736 2748 2774 3066 3072 3192 3206 3504 3584 3648 3664 4032 4088 4122 4161 4256 4351 4599 4608 4672 4788 4809 4864 5256 5376 5472 5496 5548 6132 6384 6412 7008 7168 7296 7328 8064 8176 8244 8322 8512 8702 9198 9216 9344 9576 9618 9709 9728 10512 10752 10944 10992 11096 12264 12483 12768 12824 13053 14016 14427 14592 14656 16128 16352 16488 16644 16717 17024 17404 18396 18688 19152 19236 19418 19456 21024 21504 21888 21984 22192 24528 24966 25536 25648 26106 28032 28854 29127 29184 29312 30457 32256 32704 32976 33288 33434 34048 34808 36792 37376 38304 38472 38836 39159 42048 43776 43968 44384 49056 49932 50151 51072 51296 52212 56064 57708 58254 58368 58624 60914 64512 65408 65952 66576 66868 68096 69616 73584 74752 76608 76944 77672 78318 84096 87381 87552 87936 88768 91371 98112 99864 100302 102144 102592 104424 112128 115416 116508 117019 117248 121828 130816 131904 133152 133736 136192 139232 147168 150453 153216 153888 155344 156636 168192 174762 175104 175872 177536 182742 196224 199728 200604 204288 205184 208848 224256 230832 233016 234038 234496 243656 261632 263808 266304 267472 274113 278464 294336 300906 306432 307776 310688 313272 317623 336384 349524 351057 351744 355072 365484 392448 399456 401208 408576 410368 417696 461664 466032 468076 487312 523264 527616 532608 534944 548226 556928 588672 601812 612864 615552 621376 626544 635246 672768 699048 702114 703488 710144 730968 784896 798912 802416 820736 835392 923328 932064 936152 952869 974624 1053171 1055232 1065216 1069888 1096452 1113856 1177344 1203624 1225728 1231104 1242752 1253088 1270492 1398096 1404228 1420288 1461936 1569792 1597824 1604832 1641472 1670784 1846656 1864128 1872304 1905738 1949248 2106342 2110464 2130432 2139776 2192904 2223361 2227712 2354688 2407248 2462208 2485504 2506176 2540984 2796192 2808456 2858607 2923872 3195648 3209664 3341568 3693312 3728256 3744608 3811476 3898496 4212684 4260864 4279552 4385808 4446722 4455424 4709376 4814496 4924416 4971008 5012352 5081968 5592384 5616912 5717214 5847744 6391296 6419328 6670083 6683136 7386624 7456512 7489216 7622952 7796992 8425368 8559104 8771616 8893444 9628992 9942016 10024704 10163936 11184768 11233824 11434428 11695488 12782592 12838656 13340166 13366272 14773248 14913024 14978432 15245904 15593984 16850736 17118208 17543232 17786888 19257984 20010249 20049408 20327872 22369536 22467648 22868856 23390976 25677312 26680332 29826048 29956864 30491808 31187968 33701472 35086464 35573776 38515968 40020498 40098816 40655744 44739072 44935296 45737712 46781952 51354624 53360664 59913728 60983616 67402944 70172928 71147552 77031936 80040996 81311488 89478144 89870592 91475424 93563904 106721328 119827456 121967232 134805888 140345856 142295104 154063872 160081992 162622976 179741184 182950848 213442656 243934464 269611776 280691712 284590208 320163984 325245952 359482368 365901696 426885312 487868928 539223552 569180416 640327968 731803392 853770624 975737856 1078447104 1138360832 1280655936 1463606784 1707541248 2276721664 2561311872 2927213568 3415082496 5122623744 6830164992 10245247488 20490494976
• Sum of all divisors σ(n): 72467075200
• Sum of proper divisors (its aliquot sum) s(n): 51976580224
• 20490494976 is an abundant number, because the sum of its proper divisors (51976580224) is greater than itself. Its abundance is 31486085248

Bases of 20490494976

• Binary: 10011000101010101000010010000000000₂
• Hexadecimal: 0x4C5542400
• Base-36: 9EVIF40

Squares and roots of 20490494976

• 20490494976 squared (20490494976²) is 419860384361481240576
• 20490494976 cubed (20490494976³) is 8603147096380360327940775346176
• The square root of 20490494976 is 143145.0138006909
• The cube root of 20490494976 is 2736.4287827007

Scales and comparisons

• 20,490,494,976 seconds is equal to 651 years, 27 weeks, 5 days, 12 hours, 9 minutes, 36 seconds.
• To count from 1 to 20,490,494,976 would take you about one thousand, three hundred 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 20490494976 cubic inches would be around 228 feet tall.

Recreational maths with 20490494976

• 20490494976 backwards is 67949409402
• The number of decimal digits it has is: 11
• The sum of 20490494976's digits is 54
• More coming soon!