18968842464

Names of 18968842464

• Cardinal: 18968842464 can be written as Eighteen billion, nine hundred sixty-eight million, eight hundred forty-two thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8968842464 × 10¹⁰

Factors of 18968842464

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 142

Divisors of 18968842464

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 22 24 26 29 31 32 33 39 44 48 52 53 58 62 66 78 87 88 93 96 104 106 116 124 132 143 156 159 174 176 186 208 212 232 248 264 286 312 318 319 341 348 352 372 377 403 416 424 429 464 496 528 572 583 624 636 638 682 689 696 744 754 806 841 848 858 899 928 957 992 1023 1056 1131 1144 1166 1209 1248 1272 1276 1364 1378 1392 1488 1508 1537 1612 1643 1682 1696 1716 1749 1798 1914 2046 2067 2262 2288 2332 2418 2523 2544 2552 2697 2728 2756 2784 2976 3016 3074 3224 3286 3364 3432 3498 3596 3828 4092 4134 4147 4433 4524 4576 4611 4664 4836 4929 5046 5088 5104 5394 5456 5512 6032 6148 6448 6572 6728 6864 6996 7192 7579 7656 8184 8268 8294 8866 9048 9222 9251 9328 9672 9858 9889 10092 10208 10788 10912 10933 11024 11687 12064 12296 12441 12896 13144 13299 13456 13728 13992 14384 15158 15312 16368 16536 16588 16907 17732 18073 18096 18444 18502 18656 19344 19716 19778 19981 20184 21359 21576 21866 22048 22737 23374 24592 24882 26071 26288 26598 26912 27753 27984 28768 29667 30316 30624 32736 32799 33072 33176 33814 35061 35464 36146 36192 36888 37004 38688 39432 39556 39962 40368 42718 43152 43732 44573 45474 46748 47647 49184 49764 50721 52142 52576 53196 54219 55506 55968 59334 59943 60632 64077 65598 66144 66352 67628 70122 70928 72292 73776 74008 78213 78864 79112 79924 80736 85436 86304 87464 89146 90948 93496 95294 99528 101442 104284 106392 108438 111012 118668 119886 120263 121264 128154 128557 131196 132704 133719 135256 140244 141856 142941 144584 147552 148016 156426 157728 158224 159848 170872 174928 178292 181896 186992 190588 199056 202884 208568 212784 216876 219791 222024 234949 237336 239772 240526 242528 256308 257114 262392 267438 270512 280488 285882 286781 289168 296032 312852 316448 319696 338923 341744 349856 356584 360789 363792 373984 381176 385671 398112 405768 417136 425568 433752 439582 444048 469898 474672 479544 481052 490303 512616 514228 524117 524784 534876 541024 560976 571764 573562 578336 579449 619411 625704 639392 659373 677846 683488 704847 713168 721578 727584 762352 771342 811536 834272 860343 867504 879164 888096 939796 949344 959088 962104 980606 1016769 1025232 1028456 1048234 1049568 1069752 1121952 1143528 1147124 1158898 1238822 1251408 1318746 1355692 1381763 1409694 1426336 1443156 1470909 1524704 1542684 1572351 1623072 1720686 1735008 1738347 1758328 1858233 1879592 1918176 1924208 1961212 2033538 2050464 2056912 2096468 2139504 2287056 2294248 2317796 2477644 2502816 2637492 2711384 2763526 2819388 2886312 2941818 3085368 3144702 3441372 3476694 3516656 3716466 3728153 3759184 3848416 3922424 4067076 4113824 4145289 4192936 4279008 4574112 4588496 4635592 4955288 5274984 5422768 5527052 5638776 5772624 5883636 6170736 6289404 6373939 6813521 6882744 6953388 7033312 7432932 7456306 7518368 7844848 8134152 8290578 8385872 9176992 9271184 9910576 10549968 10845536 11054104 11184459 11277552 11545248 11767272 12341472 12578808 12747878 13627042 13765488 13906776 14865864 14912612 15199393 15689696 16268304 16581156 16771744 17962919 18542368 19121817 19821152 20440563 21099936 22108208 22368918 22555104 23534544 25157616 25495756 27254084 27530976 27813552 29731728 29825224 30398786 32536608 33162312 35925838 38243634 40881126 44216416 44737836 45598179 47069088 50315232 50991512 53888757 54508168 55627104 59463456 59650448 60797572 66324624 71851676 76487268 81762252 89475672 91196358 101983024 107777514 109016336 119300896 121595144 132649248 143703352 152974536 163524504 178951344 182392716 197592109 203966048 215555028 218032672 243190288 287406704 305949072 327049008 357902688 364785432 395184218 431110056 486380576 574813408 592776327 611898144 654098016 729570864 790368436 862220112 1185552654 1459141728 1580736872 1724440224 2371105308 3161473744 4742210616 6322947488 9484421232 18968842464
• Sum of all divisors σ(n): 63719405568
• Sum of proper divisors (its aliquot sum) s(n): 44750563104
• 18968842464 is an abundant number, because the sum of its proper divisors (44750563104) is greater than itself. Its abundance is 25781720640

Bases of 18968842464

• Binary: 10001101010101000011001000011100000₂
• Hexadecimal: 0x46AA190E0
• Base-36: 8PPK4IO

Squares and roots of 18968842464

• 18968842464 squared (18968842464²) is 359816984424049591296
• 18968842464 cubed (18968842464³) is 6825311693411338470217409593344
• The square root of 18968842464 is 137727.4208863289
• The cube root of 18968842464 is 2666.9422397991

Scales and comparisons

• 18,968,842,464 seconds is equal to 603 years, 7 weeks, 5 days, 18 hours, 54 minutes, 24 seconds.
• To count from 1 to 18,968,842,464 would take you about one thousand, two hundred six 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 18968842464 cubic inches would be around 222.2 feet tall.

Recreational maths with 18968842464

• 18968842464 backwards is 46424886981
• The number of decimal digits it has is: 11
• The sum of 18968842464's digits is 60
• More coming soon!