18147928790880

Names of 18147928790880

• Cardinal: 18147928790880 can be written as Eighteen trillion, one hundred forty-seven billion, nine hundred twenty-eight million, seven hundred ninety thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.814792879088 × 10¹³

Factors of 18147928790880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 449

Divisors of 18147928790880

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 70 72 80 84 90 96 105 112 120 126 140 144 151 160 168 180 210 224 240 252 280 281 288 302 315 336 360 420 453 480 504 560 562 604 630 672 720 755 840 843 906 1008 1057 1120 1124 1208 1260 1359 1405 1440 1510 1680 1686 1812 1967 2016 2114 2248 2265 2416 2520 2529 2718 2810 3020 3171 3360 3372 3624 3934 4215 4228 4496 4530 4832 5040 5058 5285 5436 5620 5901 6040 6342 6744 6795 7248 7868 8430 8456 8992 9060 9513 9835 10080 10116 10570 10872 11240 11802 12080 12645 12684 13488 13590 14496 15736 15855 16860 16912 17703 18120 19026 19670 20232 21140 21744 22480 22801 23604 24160 25290 25368 26976 27180 29505 31472 31710 33720 33824 35406 36240 38052 39340 40464 42280 42431 43488 44960 45602 47208 47565 50580 50736 54360 59010 62944 63420 67440 68403 70812 72480 76104 78680 78961 80928 84560 84862 88515 91204 94416 95130 101160 101472 108720 114005 118020 126840 127293 134880 136806 141624 152208 157360 157922 159607 169120 169724 177030 182408 188832 190260 202320 205209 212155 217440 228010 236040 236883 253680 254586 273612 283248 297017 304416 314720 315844 319214 339448 342015 354060 364816 380520 381879 394805 404640 410418 424310 456020 472080 473766 478821 507360 509172 547224 552727 566496 594034 631688 636465 638428 678896 684030 708120 710649 729632 761040 763758 789610 798035 820836 848620 891051 912040 944160 947532 957642 1018344 1026045 1094448 1105454 1184415 1188068 1263376 1272930 1276856 1357792 1368060 1416240 1421298 1436463 1485085 1522080 1527516 1579220 1596070 1641672 1658181 1697240 1782102 1824080 1895064 1909395 1915284 2036688 2052090 2188896 2210908 2368830 2376136 2394105 2526752 2545860 2553712 2673153 2736120 2763635 2832480 2842596 2872926 2970170 3055032 3158440 3192140 3283344 3316362 3394480 3553245 3564204 3648160 3790128 3818790 3830568 4073376 4104180 4421816 4455255 4737660 4752272 4788210 4974543 5091720 5107424 5346306 5472240 5527270 5685192 5745852 5940340 6110064 6316880 6384280 6407081 6566688 6632724 6788960 7106490 7128408 7182315 7580256 7637580 7661136 8208360 8290905 8843632 8910510 9475320 9504544 9576420 9949086 10183440 10692612 10944480 11054540 11370384 11491704 11880680 11923111 12220128 12633760 12768560 12814162 13265448 13365765 14212980 14256816 14364630 15275160 15322272 16416720 16581810 17687264 17821020 18950640 19152840 19221243 19898172 20366880 21385224 22109080 22740768 22983408 23761360 23846222 24872715 25537120 25628324 26530896 26731530 28425960 28513632 28729260 30550320 32035405 32833440 33163620 35642040 35769333 37901280 38305680 38442486 39796344 42770448 44218160 44849567 45966816 47522720 47692444 49745430 51256648 53061792 53463060 56851920 57458520 57663729 59615555 61100640 64070810 66327240 71284080 71538666 76611360 76884972 79592688 83461777 85540896 88436320 89699134 95384888 96106215 99490860 102513296 106926120 107307999 113703840 114917040 115327458 119231110 128141620 132654480 134548701 142568160 143077332 153769944 159185376 166923554 178846665 179398268 190769776 192212430 198981720 205026592 213852240 214615998 224247835 229834080 230654916 238462220 250385331 256283240 265308960 269097402 286154664 288318645 307539888 333847108 357693330 358796536 381539552 384424860 397963440 403646103 417308885 427704480 429231996 448495670 461309832 476924440 500770662 512566480 536539995 538194804 572309328 576637290 615079776 667694216 672743505 715386660 717593072 751155993 768849720 795926880 807292206 834617770 858463992 896991340 922619664 953848880 1001541324 1025132960 1073079990 1076389608 1144618656 1153274580 1251926655 1335388432 1345487010 1430773320 1435186144 1502311986 1537699440 1614584412 1669235540 1716927984 1793982680 1800389761 1845239328 1907697760 2003082648 2018230515 2146159980 2152779216 2306549160 2503853310 2670776864 2690974020 2861546640 3004623972 3075398880 3229168824 3338471080 3433855968 3587965360 3600779522 3755779965 4006165296 4036461030 4292319960 4305558432 4613098320 5007706620 5381948040 5401169283 5723093280 6009247944 6458337648 6676942160 7175930720 7201559044 7511559930 8012330592 8072922060 8584639920 9001948805 9226196640 10015413240 10763896080 10802338566 12018495888 12602728327 12916675296 13353884320 14403118088 15023119860 16145844120 16203507849 17169279840 18003897610 20030826480 21527792160 21604677132 24036991776 25205456654 27005846415 28806236176 30046239720 32291688240 32407015698 36007795220 37808184981 40061652960 43209354264 50410913308 54011692830 57612472352 60092479440 63013641635 64583376480 64814031396 72015590440 75616369962 81017539245 86418708528 100821826616 108023385660 113424554943 120184958880 126027283270 129628062792 144031180880 151232739924 162035078490 172837417056 189040924905 201643653232 216046771320 226849109886 252054566540 259256125584 288062361760 302465479848 324070156980 378081849810 403287306464 432093542640 453698219772 504109133080 518512251168 567122774715 604930959696 648140313960 756163699620 864187085280 907396439544 1008218266160 1134245549430 1209861919392 1296280627920 1512327399240 1814792879088 2016436532320 2268491098860 2592561255840 3024654798480 3629585758176 4536982197720 6049309596960 9073964395440 18147928790880
• Sum of all divisors σ(n): 71503204329648
• Sum of proper divisors (its aliquot sum) s(n): 53355275538768
• 18147928790880 is an abundant number, because the sum of its proper divisors (53355275538768) is greater than itself. Its abundance is 35207346747888

Bases of 18147928790880

• Binary: 100001000000101100100110110010101011101100000₂
• Hexadecimal: 0x108164D95760
• Base-36: 6FL1K8IG0

Squares and roots of 18147928790880

• 18147928790880 squared (18147928790880²) is 329347319398851218771174400
• 18147928790880 cubed (18147928790880³) is 5976971699917563167134973388389609472000
• The square root of 18147928790880 is 4260038.5903040831
• The cube root of 18147928790880 is 26279.0113310707

Scales and comparisons

• 18,147,928,790,880 seconds is equal to 577,048 years, 2 hours, 48 minutes.
• To count from 1 to 18,147,928,790,880 would take you about one million, four hundred forty-two thousand, six hundred twenty 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 18147928790880 cubic inches would be around 2189.9 feet tall.

Recreational maths with 18147928790880

• 18147928790880 backwards is 08809782974181
• 18147928790880 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18147928790880's digits is 72
• More coming soon!