21434632128

Names of 21434632128

• Cardinal: 21434632128 can be written as Twenty-one billion, four hundred thirty-four million, six hundred thirty-two thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1434632128 × 10¹⁰

Factors of 21434632128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 6516

Divisors of 21434632128

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 49 52 54 56 63 64 72 78 81 84 91 96 98 104 108 112 117 126 144 147 156 162 168 182 189 192 196 208 216 224 234 252 273 288 294 312 324 336 351 364 378 392 416 432 441 448 468 504 546 567 576 588 624 637 648 672 702 728 756 784 819 832 864 882 936 1008 1053 1092 1134 1176 1248 1274 1296 1323 1344 1404 1456 1512 1568 1638 1728 1764 1872 1911 2016 2106 2184 2268 2352 2457 2496 2548 2592 2646 2808 2912 3024 3136 3276 3528 3744 3822 3969 4032 4212 4368 4536 4704 4914 5096 5184 5292 5616 5733 5824 6048 6491 6552 7056 7371 7488 7644 7938 8424 8736 9072 9408 9828 10192 10584 11232 11466 12096 12982 13104 14112 14742 15288 15876 16848 17199 17472 18144 19473 19656 20384 21168 22464 22932 25964 26208 28224 29484 30576 31752 33696 34398 36288 38946 39312 40768 42336 45437 45864 51597 51928 52416 58419 58968 61152 63504 67392 68796 77892 78624 84383 84672 90874 91728 103194 103856 116838 117936 122304 127008 136311 137592 155784 157248 168766 175257 181748 183456 206388 207712 233676 235872 253149 254016 272622 275184 311568 318059 337532 350514 363496 366912 408933 412776 415424 467352 471744 506298 525771 545244 550368 590681 623136 636118 675064 701028 726992 759447 817866 825552 934704 954177 1012596 1051542 1090488 1100736 1181362 1226799 1246272 1272236 1350128 1402056 1453984 1518894 1635732 1651104 1772043 1869408 1908354 2025192 2103084 2180976 2278341 2362724 2453598 2544472 2700256 2804112 2862531 2907968 3037788 3271464 3302208 3544086 3680397 3738816 3816708 4050384 4134767 4206168 4361952 4556682 4725448 4907196 5088944 5316129 5400512 5608224 5725062 6075576 6542928 6835023 7088172 7360794 7633416 8100768 8269534 8412336 8587593 8723904 9113364 9450896 9814392 10177888 10632258 11216448 11450124 12151152 12404301 13085856 13670046 14176344 14721588 15266832 15948387 16201536 16539068 16824672 17175186 18226728 18901792 19628784 20355776 21264516 22900248 24302304 24808602 25762779 26171712 27340092 28352688 29443176 30533664 31896774 33078136 33649344 34350372 36453456 37212903 37803584 39257568 42529032 45800496 47845161 48604608 49617204 51525558 54680184 56705376 58886352 61067328 63793548 66156272 68700744 72906912 74425806 78515136 85058064 91600992 95690322 99234408 103051116 109360368 111638709 113410752 117772704 127587096 132312544 137401488 145813824 148851612 170116128 183201984 191380644 198468816 206102232 218720736 223277418 235545408 255174192 264625088 274802976 297703224 334916127 340232256 382761288 396937632 412204464 437441472 446554836 510348384 549605952 595406448 669832254 765522576 793875264 824408928 893109672 1020696768 1190812896 1339664508 1531045152 1648817856 1786219344 2381625792 2679329016 3062090304 3572438688 5358658032 7144877376 10717316064 21434632128
• Sum of all divisors σ(n): 79610526072
• Sum of proper divisors (its aliquot sum) s(n): 58175893944
• 21434632128 is an abundant number, because the sum of its proper divisors (58175893944) is greater than itself. Its abundance is 36741261816

Bases of 21434632128

• Binary: 10011111101100110101000011111000000₂
• Hexadecimal: 0x4FD9A87C0
• Base-36: 9UHMK00

Squares and roots of 21434632128

• 21434632128 squared (21434632128²) is 459443454462689808384
• 21434632128 cubed (21434632128³) is 9848001430025275944085850161152
• The square root of 21434632128 is 146405.7107082917
• The cube root of 21434632128 is 2777.8279588749

Scales and comparisons

• 21,434,632,128 seconds is equal to 681 years, 28 weeks, 6 days, 28 minutes, 48 seconds.
• To count from 1 to 21,434,632,128 would take you about one thousand, three hundred sixty-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 21434632128 cubic inches would be around 231.5 feet tall.

Recreational maths with 21434632128

• 21434632128 backwards is 82123643412
• 21434632128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21434632128's digits is 36
• More coming soon!