168821995680

Names of 168821995680

• Cardinal: 168821995680 can be written as One hundred sixty-eight billion, eight hundred twenty-one million, nine hundred ninety-five thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.6882199568 × 10¹¹

Factors of 168821995680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 18809

Divisors of 168821995680

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 37 39 40 45 48 52 60 65 72 74 78 80 90 96 104 111 117 120 130 144 148 156 160 169 180 185 195 208 222 234 240 260 288 296 312 333 338 360 370 390 416 444 468 480 481 507 520 555 585 592 624 666 676 720 740 780 845 888 936 962 1014 1040 1110 1170 1184 1248 1332 1352 1440 1443 1480 1521 1560 1665 1690 1776 1872 1924 2028 2080 2220 2340 2405 2535 2664 2704 2886 2960 3042 3120 3330 3380 3552 3744 3848 4056 4329 4440 4680 4810 5070 5328 5408 5772 5920 6084 6240 6253 6660 6760 7215 7605 7696 8112 8658 8880 9360 9620 10140 10656 11544 12168 12506 13320 13520 14430 15210 15392 16224 17316 17760 18720 18749 18759 19240 20280 21645 23088 24336 25012 26640 27040 28860 30420 31265 34632 37498 37518 38480 40560 43290 46176 48672 50024 53280 56247 56277 57720 60840 62530 69264 74996 75036 76960 81120 86580 93745 93795 100048 112494 112554 115440 121680 125060 138528 149992 150072 168741 173160 187490 187590 200096 224988 225108 230880 243360 243737 250120 281235 281385 299984 300144 337482 346320 374980 375180 449976 450216 487474 500240 562470 562770 599968 600288 674964 692640 693713 731211 749960 750360 843705 899952 900432 974948 1000480 1124940 1125540 1218685 1349928 1387426 1462422 1499920 1500720 1687410 1799904 1800864 1949896 2081139 2193633 2249880 2251080 2437370 2699856 2774852 2924844 2999840 3001440 3168581 3374820 3468565 3656055 3899792 4162278 4387266 4499760 4502160 4874740 5399712 5549704 5849688 6243417 6337162 6749640 6937130 7312110 7799584 8324556 8774532 8999520 9004320 9018269 9505743 9749480 10405695 10968165 11099408 11699376 12486834 12674324 13499280 13874260 14624220 15842905 16649112 17549064 18036538 19011486 19498960 20811390 21936330 22198816 23398752 24973668 25348648 26998560 27054807 27748520 28517229 29248440 31217085 31685810 33298224 35098128 36073076 38022972 38997920 41622780 43872660 45091345 47528715 49947336 50697296 54109614 55497040 57034458 58496880 62434170 63371620 66596448 70196256 72146152 76045944 81164421 83245560 87745320 90182690 95057430 99894672 101394592 108219228 110994080 114068916 116993760 117237497 124868340 126743240 135274035 142586145 144292304 152091888 162328842 166491120 175490640 180365380 190114860 199789344 216438456 228137832 234474994 249736680 253486480 270548070 285172290 288584608 304183776 324657684 332982240 350981280 351712491 360730760 380229720 405822105 432876912 456275664 468949988 499473360 506972960 541096140 570344580 586187485 649315368 703424982 721461520 760459440 811644210 865753824 912551328 937899976 998946720 1055137473 1082192280 1140689160 1172374970 1298630736 1406849964 1442923040 1520918880 1623288420 1758562455 1875799952 2110274946 2164384560 2281378320 2344749940 2597261472 2813699928 3246576840 3517124910 3751599904 4220549892 4328769120 4562756640 4689499880 5275687365 5627399856 6493153680 7034249820 8441099784 9378999760 10551374730 11254799712 12986307360 14068499640 16882199568 18757999520 21102749460 28136999280 33764399136 42205498920 56273998560 84410997840 168821995680
• Sum of all divisors σ(n): 640724175000
• Sum of proper divisors (its aliquot sum) s(n): 471902179320
• 168821995680 is an abundant number, because the sum of its proper divisors (471902179320) is greater than itself. Its abundance is 303080183640

Bases of 168821995680

• Binary: 10011101001110100100110011100010100000₂
• Hexadecimal: 0x274E9338A0
• Base-36: 25K099K0

Squares and roots of 168821995680

• 168821995680 squared (168821995680²) is 28500866225377938662400
• 168821995680 cubed (168821995680³) is 4811573114777012267230997778432000
• The square root of 168821995680 is 410879.5391352555
• The cube root of 168821995680 is 5526.8330157883

Scales and comparisons

• 168,821,995,680 seconds is equal to 5,368 years, 6 days, 6 hours, 48 minutes.
• To count from 1 to 168,821,995,680 would take you about ten thousand, seven hundred thirty-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 168821995680 cubic inches would be around 460.6 feet tall.

Recreational maths with 168821995680

• 168821995680 backwards is 086599128861
• The number of decimal digits it has is: 12
• The sum of 168821995680's digits is 63
• More coming soon!