21236832456

Names of 21236832456

• Cardinal: 21236832456 can be written as Twenty-one billion, two hundred thirty-six million, eight hundred thirty-two thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 2.1236832456 × 10¹⁰

Factors of 21236832456

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 390

Divisors of 21236832456

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 19 21 24 28 38 42 49 53 56 57 76 79 84 98 106 114 133 147 152 158 159 168 196 212 227 228 237 266 294 316 318 371 392 399 424 454 456 474 532 553 588 632 636 681 742 798 908 931 948 1007 1064 1106 1113 1176 1272 1362 1484 1501 1589 1596 1659 1816 1862 1896 2014 2212 2226 2597 2724 2793 2968 3002 3021 3178 3192 3318 3724 3871 4028 4187 4313 4424 4452 4503 4767 5194 5448 5586 6004 6042 6356 6636 7049 7448 7742 7791 8056 8374 8626 8904 9006 9534 10388 10507 11123 11172 11613 12008 12031 12084 12561 12712 12939 13272 14098 15484 15582 16748 17252 17933 18012 19068 20776 21014 21147 22246 22344 23226 24062 24168 25122 25878 28196 29309 30191 30968 31164 31521 33369 33496 34504 35866 36024 36093 38136 42028 42294 44492 46452 48124 49343 50244 51756 53799 56392 58618 60382 62328 63042 66738 71732 72186 73549 79553 84056 84217 84588 87927 88984 90573 92904 96248 98686 100488 103512 107598 117236 120764 125531 126084 133476 143464 144372 147098 148029 159106 168434 169176 175854 181146 197372 205163 211337 215196 220647 228589 234472 238659 241528 251062 252168 252651 266952 288744 294196 296058 318212 336868 340727 351708 362292 376593 394744 410326 422674 430392 441294 457178 477318 502124 505302 556871 588392 589519 592116 615489 634011 636424 673736 681454 685767 703416 724584 753186 820652 845348 878717 882588 914356 950449 954636 1004248 1010604 1022181 1113742 1179038 1184232 1230978 1268022 1362908 1371534 1506372 1600123 1641304 1670613 1690696 1757434 1765176 1768557 1828712 1900898 1909272 2021208 2044362 2227484 2358076 2385089 2461956 2536044 2636151 2725816 2743068 2851347 3012744 3200246 3341226 3514868 3537114 3801796 3898097 4088724 4454968 4716152 4770178 4800369 4923912 5072088 5272302 5486136 5702694 6400492 6653143 6682452 7029736 7074228 7155267 7603592 7796194 8177448 9540356 9600738 10544604 11200861 11405388 11694291 12800984 13306286 13364904 14148456 14310534 15592388 16695623 18058531 19080712 19201476 19959429 21089208 22401722 22810776 23388582 26612572 28621068 31184776 33391246 33602583 36117062 38402952 39918858 44803444 46572001 46777164 50086869 53225144 54175593 57242136 66782492 67205166 72234124 79837716 89606888 93144002 93554328 100173738 108351186 126409717 133564984 134410332 139716003 144468248 159675432 186288004 200347476 216702372 252819434 268820664 279432006 372576008 379229151 400694952 433404744 505638868 558864012 758458302 884868019 1011277736 1117728024 1516916604 1769736038 2654604057 3033833208 3539472076 5309208114 7078944152 10618416228 21236832456
• Sum of all divisors σ(n): 67371264000
• Sum of proper divisors (its aliquot sum) s(n): 46134431544
• 21236832456 is an abundant number, because the sum of its proper divisors (46134431544) is greater than itself. Its abundance is 24897599088

Bases of 21236832456

• Binary: 10011110001110100000101100011001000₂
• Hexadecimal: 0x4F1D058C8
• Base-36: 9R7V0SO

Squares and roots of 21236832456

• 21236832456 squared (21236832456²) is 451003052764214991936
• 21236832456 cubed (21236832456³) is 9577876268698161456108223074816
• The square root of 21236832456 is 145728.6260691427
• The cube root of 21236832456 is 2769.2569027653

Scales and comparisons

• 21,236,832,456 seconds is equal to 675 years, 13 weeks, 5 days, 16 hours, 7 minutes, 36 seconds.
• To count from 1 to 21,236,832,456 would take you about one thousand, three hundred fifty 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 21236832456 cubic inches would be around 230.8 feet tall.

Recreational maths with 21236832456

• 21236832456 backwards is 65423863212
• 21236832456 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21236832456's digits is 42
• More coming soon!