20400476928

Names of 20400476928

• Cardinal: 20400476928 can be written as Twenty billion, four hundred million, four hundred seventy-six thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 2.0400476928 × 10¹⁰

Factors of 20400476928

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 182

Divisors of 20400476928

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 41 43 48 52 57 61 64 76 78 82 86 96 104 114 122 123 128 129 152 156 164 172 183 192 208 228 244 246 247 256 258 304 312 328 344 366 384 416 456 488 492 494 516 533 559 608 624 656 688 732 741 768 779 793 817 832 912 976 984 988 1032 1066 1118 1159 1216 1248 1312 1376 1464 1482 1558 1586 1599 1634 1664 1677 1763 1824 1952 1968 1976 2064 2132 2236 2318 2337 2379 2432 2451 2496 2501 2623 2624 2752 2928 2964 3116 3172 3198 3268 3328 3354 3477 3526 3648 3904 3936 3952 4128 4264 4472 4636 4674 4758 4864 4902 4992 5002 5246 5248 5289 5504 5856 5928 6232 6344 6396 6536 6708 6954 7052 7296 7503 7808 7869 7872 7904 8256 8528 8944 9272 9348 9516 9804 9984 10004 10127 10492 10496 10578 10621 11008 11712 11856 12464 12688 12792 13072 13416 13908 14104 14592 15006 15067 15616 15738 15744 15808 16512 17056 17888 18544 18696 19032 19608 20008 20254 20984 21156 21242 22919 23424 23712 24928 25376 25584 26144 26832 27816 28208 30012 30134 30381 31476 31488 31616 31863 32513 33024 33497 34099 34112 35776 37088 37392 38064 39216 40016 40508 41968 42312 42484 45201 45838 46848 47424 47519 49837 49856 50752 51168 52288 53664 55632 56416 60024 60268 60762 62952 63232 63726 65026 66994 68198 68224 68757 71552 74176 74784 76128 78432 80032 81016 83936 84624 84968 90402 91676 94848 95038 97539 99674 99712 100491 101504 102297 102336 104576 107328 107543 111264 112832 120048 120536 121524 125904 127452 130052 133988 136396 136448 137514 142557 143104 148352 149511 149568 152256 156864 160064 162032 167872 169248 169936 180804 183352 189696 190076 195078 199348 199424 200982 203008 204594 204672 209152 214656 215086 222528 225664 240096 241072 243048 251808 254904 260104 267976 272792 275028 285114 296704 299022 299136 304512 313728 320128 322629 324064 335744 338496 339872 361608 366704 380152 390156 398696 401964 409188 409344 429312 430172 435461 445056 451328 480192 482144 486096 503616 509808 520208 535952 545584 550056 570228 598044 598272 609024 617747 627456 640256 645258 647881 648128 671488 676992 679744 723216 733408 760304 780312 797392 803928 818376 860344 870922 890112 960384 964288 972192 1007232 1019616 1040416 1071904 1091168 1100112 1140456 1196088 1235494 1290516 1295762 1296256 1306383 1353984 1359488 1398059 1446432 1466816 1520608 1560624 1594784 1607856 1636752 1720688 1741844 1853241 1920768 1928576 1943643 1944384 2014464 2039232 2043317 2080832 2143808 2182336 2200224 2280912 2392176 2470988 2581032 2591524 2592512 2612766 2718976 2796118 2892864 2933632 3041216 3121248 3189568 3215712 3273504 3441376 3483688 3706482 3857152 3887286 3888768 4078464 4086634 4161664 4194177 4287616 4364672 4400448 4561824 4784352 4941976 5162064 5183048 5225532 5592236 5785728 5867264 6082432 6129951 6242496 6379136 6431424 6547008 6882752 6967376 7412964 7774572 7777536 8156928 8173268 8323328 8388354 8575232 8729344 8800896 9123648 9568704 9883952 10324128 10366096 10451064 11184472 11571456 12164864 12259902 12484992 12758272 12862848 13094016 13765504 13934752 14825928 15549144 16346536 16776708 17601792 18247296 19137408 19767904 20648256 20732192 20902128 22368944 24519804 24969984 25725696 26188032 26563121 27531008 27869504 29651856 31098288 32693072 33553416 36494592 38274816 39535808 41296512 41464384 41804256 44737888 49039608 53126242 55739008 59303712 62196576 65386144 67106832 79071616 79689363 82593024 82928768 83608512 89475776 98079216 106252484 111478016 118607424 124393152 130772288 134213664 158143232 159378726 165857536 167217024 178951552 196158432 212504968 237214848 248786304 261544576 268427328 318757452 334434048 357903104 392316864 425009936 474429696 497572608 523089152 536854656 637514904 784633728 850019872 1073709312 1275029808 1569267456 1700039744 2550059616 3400079488 5100119232 6800158976 10200238464 20400476928
• Sum of all divisors σ(n): 65574136320
• Sum of proper divisors (its aliquot sum) s(n): 45173659392
• 20400476928 is an abundant number, because the sum of its proper divisors (45173659392) is greater than itself. Its abundance is 24773182464

Bases of 20400476928

• Binary: 10010111111111101101001001100000000₂
• Hexadecimal: 0x4BFF69300
• Base-36: 9DDX0QO

Squares and roots of 20400476928

• 20400476928 squared (20400476928²) is 416179458889860317184
• 20400476928 cubed (20400476928³) is 8490259448990119893854953930752
• The square root of 20400476928 is 142830.2381430485
• The cube root of 20400476928 is 2732.4157093175

Scales and comparisons

• 20,400,476,928 seconds is equal to 648 years, 34 weeks, 6 days, 15 hours, 8 minutes, 48 seconds.
• To count from 1 to 20,400,476,928 would take you about one thousand, two hundred ninety-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 20400476928 cubic inches would be around 227.7 feet tall.

Recreational maths with 20400476928

• 20400476928 backwards is 82967400402
• The number of decimal digits it has is: 11
• The sum of 20400476928's digits is 42
• More coming soon!