168315157920

Names of 168315157920

• Cardinal: 168315157920 can be written as One hundred sixty-eight billion, three hundred fifteen million, one hundred fifty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.6831515792 × 10¹¹

Factors of 168315157920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 181

Divisors of 168315157920

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 48 52 56 60 65 70 78 80 84 91 96 104 105 112 120 130 140 151 156 160 168 169 182 195 208 210 224 240 260 273 280 302 312 336 338 364 390 416 420 453 455 480 507 520 546 560 604 624 672 676 728 755 780 840 845 906 910 1014 1040 1057 1092 1120 1183 1208 1248 1352 1365 1456 1510 1560 1680 1690 1812 1820 1963 2028 2080 2114 2184 2197 2265 2366 2416 2535 2704 2730 2912 3020 3120 3171 3360 3380 3549 3624 3640 3926 4056 4228 4368 4394 4530 4732 4832 5070 5285 5408 5460 5889 5915 6040 6240 6342 6591 6760 7098 7248 7280 7852 8112 8456 8736 8788 9060 9464 9815 10140 10570 10920 10985 11778 11830 12080 12684 13182 13520 13741 14196 14496 14560 15379 15704 15855 16224 16912 17576 17745 18120 18928 19630 20280 21140 21840 21970 22801 23556 23660 24160 25368 25519 26364 27040 27482 28392 29445 30758 31408 31710 32955 33824 35152 35490 36240 37856 39260 40560 41223 42280 43680 43940 45602 46137 47112 47320 50736 51038 52728 54964 56784 58890 61516 62816 63420 65910 68403 68705 70304 70980 72480 76557 76895 78520 81120 82446 84560 87880 91204 92274 94224 94640 101472 102076 105456 109928 113568 114005 117780 123032 126840 127595 131820 136806 137410 141960 153114 153790 157040 159607 164892 169120 175760 178633 182408 184548 188448 189280 204152 206115 210912 219856 228010 230685 235560 246064 253680 255190 263640 273612 274820 283920 296413 306228 307580 314080 319214 329784 331747 342015 351520 357266 364816 369096 382785 408304 412230 439712 456020 461370 471120 478821 492128 507360 510380 527280 535899 547224 549640 567840 592826 612456 615160 638428 659568 663494 684030 714532 729632 738192 765570 798035 816608 824460 889239 893165 912040 922740 942240 957642 995241 1020760 1054560 1071798 1094448 1099280 1185652 1224912 1230320 1276856 1319136 1326988 1368060 1429064 1476384 1482065 1531140 1596070 1648920 1658735 1778478 1786330 1824080 1845480 1915284 1990482 2041520 2074891 2143596 2188896 2198560 2322229 2371304 2394105 2449824 2460640 2553712 2653976 2679495 2736120 2858128 2964130 3062280 3192140 3297840 3317470 3556956 3572660 3648160 3690960 3830568 3853369 3980964 4083040 4149782 4287192 4446195 4644458 4742608 4788210 4976205 5107424 5307952 5358990 5472240 5716256 5928260 6124560 6224673 6384280 6595680 6634940 6966687 7113912 7145320 7381920 7661136 7706738 7961928 8299564 8574384 8892390 9288916 9485216 9576420 9952410 10374455 10615904 10717980 10944480 11560107 11611145 11856520 12249120 12449346 12768560 13269880 13933374 14227824 14290640 15322272 15413476 15923856 16599128 17148768 17784780 18577832 19152840 19266845 19904820 20748910 21435960 23120214 23222290 23713040 24898692 25537120 26539760 26973583 27866748 28455648 28581280 30826952 31123365 31847712 33198256 34833435 35569560 37155664 38305680 38533690 39809640 41497820 42871920 46240428 46444580 47426080 49797384 50093797 53079520 53947166 55733496 57800535 61653904 62246730 66396512 69666870 71139120 74311328 76611360 77067380 79619280 80920749 82995640 85743840 92480856 92889160 99594768 100187594 107894332 111466992 115601070 123307808 124493460 134867915 139333740 142278240 150281391 154134760 159238560 161841498 165991280 184961712 185778320 199189536 200375188 215788664 222933984 231202140 248986920 250468985 269735830 278667480 300562782 308269520 323682996 331982560 350656579 369923424 371556640 400750376 404603745 431577328 462404280 497973840 500937970 539471660 557334960 601125564 616539040 647365992 701313158 751406955 801500752 809207490 863154656 924808560 995947680 1001875940 1051969737 1078943320 1114669920 1202251128 1294731984 1402626316 1502813910 1603001504 1618414980 1753282895 1849617120 2003751880 2103939474 2157886640 2404502256 2589463968 2805252632 3005627820 3236829960 3506565790 4007503760 4207878948 4315773280 4809004512 5259848685 5610505264 6011255640 6473659920 7013131580 8015007520 8415757896 10519697370 11221010528 12022511280 12947319840 14026263160 16831515792 21039394740 24045022560 28052526320 33663031584 42078789480 56105052640 84157578960 168315157920
• Sum of all divisors σ(n): 660781981440
• Sum of proper divisors (its aliquot sum) s(n): 492466823520
• 168315157920 is an abundant number, because the sum of its proper divisors (492466823520) is greater than itself. Its abundance is 324151665600

Bases of 168315157920

• Binary: 10011100110000010111010111110110100000₂
• Hexadecimal: 0x27305D7DA0
• Base-36: 25BMHZ1C

Squares and roots of 168315157920

• 168315157920 squared (168315157920²) is 28329992385634538726400
• 168315157920 cubed (168315157920³) is 4768367142260474925140371673088000
• The square root of 168315157920 is 410262.3038008735
• The cube root of 168315157920 is 5521.2965815833

Scales and comparisons

• 168,315,157,920 seconds is equal to 5,351 years, 46 weeks, 6 days, 2 hours, 32 minutes.
• To count from 1 to 168,315,157,920 would take you about ten thousand, seven hundred three 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 168315157920 cubic inches would be around 460.1 feet tall.

Recreational maths with 168315157920

• 168315157920 backwards is 029751513861
• 168315157920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 168315157920's digits is 48
• More coming soon!