16381257816

Names of 16381257816

• Cardinal: 16381257816 can be written as Sixteen billion, three hundred eighty-one million, two hundred fifty-seven thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.6381257816 × 10¹⁰

Factors of 16381257816

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 198

Divisors of 16381257816

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 19 21 22 24 28 33 38 42 44 49 56 57 66 73 76 77 83 84 88 98 114 121 132 133 146 147 152 154 166 168 196 209 219 228 231 242 249 264 266 292 294 308 332 363 392 399 418 438 456 462 484 498 511 532 539 581 584 588 616 627 664 726 798 803 836 847 876 913 924 931 968 996 1022 1064 1078 1162 1176 1254 1387 1452 1463 1533 1577 1596 1606 1617 1672 1694 1743 1752 1826 1848 1862 1992 2044 2156 2299 2324 2409 2508 2541 2739 2774 2793 2904 2926 3066 3154 3192 3212 3234 3388 3486 3577 3652 3724 4067 4088 4161 4312 4389 4598 4648 4731 4818 5016 5082 5478 5548 5586 5621 5852 5929 6059 6132 6308 6391 6424 6468 6776 6897 6972 7154 7304 7448 8134 8322 8778 8833 9196 9462 9636 9709 10043 10164 10241 10731 10956 11039 11096 11172 11242 11704 11858 12118 12201 12264 12616 12782 12936 13794 13944 14308 15257 16093 16268 16644 16863 17347 17556 17666 17787 18177 18392 18924 19173 19272 19418 20086 20328 20482 21462 21912 22078 22344 22484 23716 24236 24402 25564 26499 27588 28616 29127 30129 30514 30723 32186 32536 33117 33288 33726 34694 35112 35332 35574 36354 37848 38346 38836 39347 40172 40964 42413 42924 44156 44737 44968 45771 47432 48279 48472 48804 51128 52041 52998 55176 58254 60258 61028 61446 61831 64372 66234 66649 67452 67963 69388 70301 70664 71148 72708 76692 77273 77672 78694 80344 81928 84826 85848 88312 89474 91542 96558 97608 104082 105996 106799 112651 115121 116508 118041 120516 121429 122056 122892 123662 127239 128744 132468 133298 134211 134904 135926 138776 140602 142296 145416 153384 154546 157388 167827 169652 178948 183084 185493 190817 193116 199947 203889 208164 210903 211992 213598 225302 230242 231819 233016 236082 241032 242858 245784 247324 254478 264936 266596 268422 271852 281204 296891 309092 314776 320397 335654 337953 339304 345363 357896 364287 366168 370986 381634 386232 399894 407778 416328 421806 427196 432817 450604 460484 463638 466543 472164 485716 492107 494648 503481 508956 533192 536844 543704 562408 572451 593782 618184 640794 671308 675906 690726 728574 733139 741972 747593 763268 799788 805847 815556 843612 850003 854392 865634 890673 901208 920968 927276 933086 944328 971432 984214 1006962 1017912 1073688 1144902 1174789 1187564 1266331 1281588 1298451 1335719 1342616 1351812 1381452 1399629 1457148 1466278 1476321 1483944 1495186 1526536 1599576 1611694 1631112 1687224 1700006 1731268 1781346 1854552 1866172 1968428 2013924 2199417 2242779 2289804 2349578 2375128 2417541 2532662 2550009 2563176 2596902 2671438 2703624 2762904 2799258 2914296 2932556 2952642 2990372 3223388 3265801 3400012 3462536 3524367 3562692 3732344 3798993 3936856 4007157 4027848 4398834 4485558 4579608 4699156 4835082 5065324 5100018 5131973 5193804 5342876 5598516 5640929 5865112 5905284 5980744 6446776 6531602 6800024 7048734 7125384 7597986 8014314 8223523 8797668 8864317 8971116 9350033 9398312 9670164 9797403 10130648 10200036 10263946 10387608 10685752 11197032 11281858 11810568 13063204 13929641 14097468 15195972 15395919 16028628 16447046 16922787 17595336 17728634 17942232 18700066 19340328 19594806 20400072 20527892 22563716 24670569 26126408 26592951 27859282 28050099 28194936 30391944 30791838 32057256 32894092 33845574 35457268 35923811 37400132 39189612 41055784 41788923 45127432 49341138 53185902 55718564 56100198 61583676 62050219 65788184 67691148 70914536 71847622 74800264 78379224 83577846 97507487 98682276 106371804 107771433 111437128 112200396 123167352 124100438 135382296 143695244 167155692 186150657 195014974 197364552 212743608 215542866 224400792 248200876 287390488 292522461 334311384 372301314 390029948 431085732 496401752 585044922 682552409 744602628 780059896 862171464 1170089844 1365104818 1489205256 2047657227 2340179688 2730209636 4095314454 5460419272 8190628908 16381257816
• Sum of all divisors σ(n): 56548195200
• Sum of proper divisors (its aliquot sum) s(n): 40166937384
• 16381257816 is an abundant number, because the sum of its proper divisors (40166937384) is greater than itself. Its abundance is 23785679568

Bases of 16381257816

• Binary: 1111010000011001100010100001011000₂
• Hexadecimal: 0x3D0662858
• Base-36: 7IWZ7FC

Squares and roots of 16381257816

• 16381257816 squared (16381257816²) is 268345607634261089856
• 16381257816 cubed (16381257816³) is 4395838582448008747588278314496
• The square root of 16381257816 is 127989.2878955111
• The cube root of 16381257816 is 2539.6999777897

Scales and comparisons

• 16,381,257,816 seconds is equal to 520 years, 45 weeks, 2 days, 21 hours, 23 minutes, 36 seconds.
• To count from 1 to 16,381,257,816 would take you about one thousand and forty-one 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 16381257816 cubic inches would be around 211.6 feet tall.

Recreational maths with 16381257816

• 16381257816 backwards is 61875218361
• The number of decimal digits it has is: 11
• The sum of 16381257816's digits is 48
• More coming soon!