21368528896

Names of 21368528896

• Cardinal: 21368528896 can be written as Twenty-one billion, three hundred sixty-eight million, five hundred twenty-eight thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 2.1368528896 × 10¹⁰

Factors of 21368528896

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 109

Divisors of 21368528896

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 8 11 13 16 17 22 26 29 32 34 37 44 52 58 64 68 74 88 104 116 128 136 143 148 176 187 208 221 232 256 272 286 296 319 352 374 377 407 416 442 464 481 493 512 544 572 592 629 638 704 748 754 814 832 884 928 962 986 1024 1073 1088 1144 1184 1258 1276 1408 1496 1508 1628 1664 1768 1856 1924 1972 2048 2146 2176 2288 2368 2431 2516 2552 2816 2992 3016 3256 3328 3536 3712 3848 3944 4096 4147 4292 4352 4576 4736 4862 5032 5104 5291 5423 5632 5984 6032 6409 6512 6656 6919 7072 7424 7696 7888 8177 8192 8294 8584 8704 9152 9472 9724 10064 10208 10582 10846 11264 11803 11968 12064 12818 13024 13312 13838 13949 14144 14848 15392 15776 16354 16588 17168 17408 18241 18304 18944 19448 20128 20416 21164 21692 22528 23606 23936 24128 25636 26048 26624 27676 27898 28288 29696 30784 31552 32708 33176 34336 34816 36482 36608 37888 38896 40256 40832 42328 43384 45056 47212 47872 48256 51272 52096 53248 55352 55796 56576 59392 61568 63104 65416 66352 68672 69632 70499 72964 73216 75776 77792 80512 81664 84656 86768 89947 90112 94424 95744 96512 102544 104192 106496 110704 111592 113152 118784 123136 126208 130832 132704 137344 139264 140998 145928 146432 151552 153439 155584 161024 163328 169312 173536 179894 188848 191488 193024 200651 205088 208384 221408 223184 226304 237133 237568 246272 252416 261664 265408 274688 281996 291856 292864 303104 306878 311168 322048 326656 338624 347072 359788 377696 382976 386048 401302 410176 416768 442816 446368 452608 474266 492544 504832 523328 530816 549376 563992 583712 585728 613756 622336 644096 653312 677248 694144 719576 755392 765952 772096 802604 820352 833536 885632 892736 905216 948532 985088 1009664 1046656 1061632 1098752 1127984 1167424 1171456 1227512 1244672 1288192 1306624 1354496 1388288 1439152 1510784 1531904 1544192 1605208 1640704 1667072 1771264 1785472 1810432 1897064 1970176 2019328 2093312 2123264 2197504 2255968 2334848 2455024 2489344 2576384 2608463 2613248 2708992 2776576 2878304 3021568 3088384 3210416 3281408 3334144 3542528 3570944 3794128 3940352 4038656 4186624 4246528 4395008 4511936 4669696 4910048 4978688 5152768 5216926 5417984 5553152 5756608 6043136 6420832 6562816 7085056 7141888 7588256 8373248 8493056 8790016 9023872 9339392 9820096 9957376 10433852 10835968 11106304 11513216 12086272 12841664 13125632 14170112 14283776 15176512 16746496 16986112 18047744 18678784 19640192 19914752 20867704 21671936 22212608 23026432 24172544 25683328 26251264 28340224 28567552 30353024 33492992 33972224 36095488 37357568 39280384 41735408 43343872 44425216 46052864 48345088 51366656 52502528 56680448 57135104 60706048 66985984 72190976 74715136 78560768 83470816 92105728 96690176 102733312 114270208 121412096 144381952 149430272 157121536 166941632 184211456 205466624 242824192 288763904 314243072 333883264 368422912 410933248 485648384 577527808 628486144 667766528 736845824 821866496 971296768 1256972288 1335533056 1643732992 1942593536 2671066112 5342132224 10684264448 21368528896
• Sum of all divisors σ(n): 56478098880
• Sum of proper divisors (its aliquot sum) s(n): 35109569984
• 21368528896 is an abundant number, because the sum of its proper divisors (35109569984) is greater than itself. Its abundance is 13741041088

Bases of 21368528896

• Binary: 10011111001101010011110000000000000₂
• Hexadecimal: 0x4F9A9E000
• Base-36: 9TE9QF4

Squares and roots of 21368528896

• 21368528896 squared (21368528896²) is 456614027179186978816
• 21368528896 cubed (21368528896³) is 9757170034097386326616635867136
• The square root of 21368528896 is 146179.7827881819
• The cube root of 21368528896 is 2774.9694619263

Scales and comparisons

• 21,368,528,896 seconds is equal to 679 years, 23 weeks, 3 days, 22 hours, 28 minutes, 16 seconds.
• To count from 1 to 21,368,528,896 would take you about one thousand, three hundred fifty-eight 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 21368528896 cubic inches would be around 231.2 feet tall.

Recreational maths with 21368528896

• 21368528896 backwards is 69882586312
• 21368528896 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21368528896's digits is 58
• More coming soon!