51381864768

Names of 51381864768

• Cardinal: 51381864768 can be written as Fifty-one billion, three hundred eighty-one million, eight hundred sixty-four thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 5.1381864768 × 10¹⁰

Factors of 51381864768

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 364

Divisors of 51381864768

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 48 52 57 64 67 76 78 96 103 104 114 134 152 156 157 192 201 206 208 228 247 268 304 309 312 314 402 412 416 456 471 494 536 608 618 624 628 741 804 824 832 871 912 942 988 1072 1216 1236 1248 1256 1273 1339 1482 1608 1648 1742 1824 1884 1957 1976 2041 2144 2472 2496 2512 2546 2613 2678 2964 2983 3216 3296 3484 3648 3768 3819 3914 3952 4017 4082 4288 4944 5024 5092 5226 5356 5871 5928 5966 6123 6432 6592 6901 6968 7536 7638 7828 7904 8034 8164 8949 9888 10048 10184 10452 10519 10712 11742 11856 11932 12246 12864 13802 13936 15072 15276 15656 15808 16068 16171 16328 16549 17898 19776 20368 20703 20904 21038 21424 23484 23712 23864 24492 25441 27604 27872 30144 30552 31312 31557 32136 32342 32656 33098 35796 38779 40736 41406 41808 42076 42848 46968 47424 47728 48513 48984 49647 50882 55208 55744 61104 62624 63114 64272 64684 65312 66196 71592 76323 77558 81472 82812 83616 84152 85696 89713 93936 95456 97026 97968 99294 101764 110416 116337 122208 125248 126228 128544 129368 130624 131119 132392 136747 143184 152646 155116 165624 167232 168304 179426 187872 190912 194052 195936 198588 199861 203528 210223 220832 232674 244416 252456 257088 258736 262238 264784 269139 273494 286368 305292 307249 310232 331248 336608 358852 375744 388104 391872 393357 397176 399722 407056 410241 420446 441664 465348 504912 517472 524476 529568 538278 546988 572736 599583 610584 614498 620464 630669 662496 673216 717704 776208 786714 794352 799444 814112 820482 840892 921747 930696 1009824 1034944 1048952 1059136 1076556 1083457 1093976 1199166 1221168 1228996 1240928 1261338 1324992 1435408 1552416 1573428 1588704 1598888 1628224 1640964 1681784 1704547 1843494 1861392 2019648 2097904 2153112 2166914 2187952 2398332 2442336 2457992 2481856 2522676 2598193 2870816 3104832 3146856 3177408 3197776 3250371 3281928 3363568 3409094 3686988 3722784 3994237 4195808 4306224 4333828 4375904 4796664 4884672 4915984 5045352 5113641 5196386 5741632 6293712 6395552 6500742 6563856 6727136 6818188 7373976 7445568 7794579 7988474 8391616 8612448 8667656 8751808 9593328 9831968 10090704 10227282 10392772 11982711 12587424 12791104 13001484 13127712 13454272 13636376 14084941 14747952 15589158 15976948 17224896 17335312 19186656 19663936 20181408 20454564 20585683 20785544 23965422 25174848 26002968 26255424 27272752 28169882 29495904 31178316 31953896 34670624 38373312 40362816 40909128 41171366 41571088 42254823 47930844 52005936 54545504 56339764 58991808 61757049 62356632 63907792 69341248 81818256 82342732 83142176 84509646 95861688 104011872 109091008 112679528 123514098 124713264 127815584 163636512 164685464 166284352 169019292 191723376 208023744 225359056 247028196 249426528 255631168 267613879 327273024 329370928 338038584 383446752 450718112 494056392 498853056 535227758 658741856 676077168 766893504 802841637 901436224 988112784 1070455516 1317483712 1352154336 1605683274 1976225568 2140911032 2704308672 3211366548 3952451136 4281822064 6422733096 8563644128 12845466192 17127288256 25690932384 51381864768
• Sum of all divisors σ(n): 158935562240
• Sum of proper divisors (its aliquot sum) s(n): 107553697472
• 51381864768 is an abundant number, because the sum of its proper divisors (107553697472) is greater than itself. Its abundance is 56171832704

Bases of 51381864768

• Binary: 101111110110100110010000100101000000₂
• Hexadecimal: 0xBF6990940
• Base-36: NLRFOLC

Squares and roots of 51381864768

• 51381864768 squared (51381864768²) is 2640096027037039693824
• 51381864768 cubed (51381864768³) is 135653057035751245275112892792832
• The square root of 51381864768 is 226675.6819069923
• The cube root of 51381864768 is 3717.6624417209

Scales and comparisons

• 51,381,864,768 seconds is equal to 1,633 years, 40 weeks, 5 days, 12 hours, 12 minutes, 48 seconds.
• To count from 1 to 51,381,864,768 would take you about three thousand, two hundred sixty-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 51381864768 cubic inches would be around 309.8 feet tall.

Recreational maths with 51381864768

• 51381864768 backwards is 86746818315
• 51381864768 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 51381864768's digits is 57
• More coming soon!