18997740021708

Names of 18997740021708

• Cardinal: 18997740021708 can be written as Eighteen trillion, nine hundred ninety-seven billion, seven hundred forty million, twenty-one thousand, seven hundred eight.

Scientific notation

• Scientific notation: 1.8997740021708 × 10¹³

Factors of 18997740021708

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 293592

Divisors of 18997740021708

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 17 18 21 23 27 28 34 36 42 46 51 54 63 68 69 73 81 84 92 102 108 119 126 138 146 153 161 162 189 204 207 219 238 252 276 292 306 322 324 357 378 391 414 438 459 476 483 511 567 612 621 644 657 714 756 782 828 876 918 966 1022 1071 1134 1173 1241 1242 1314 1377 1428 1449 1533 1564 1679 1836 1863 1932 1971 2044 2142 2268 2346 2482 2484 2628 2737 2754 2898 3066 3213 3358 3519 3723 3726 3942 4284 4347 4599 4692 4964 5037 5474 5508 5796 5913 6132 6426 6716 7038 7446 7452 7884 8211 8687 8694 9198 9639 10074 10557 10948 11169 11753 11826 12852 13041 13797 14076 14892 15111 16422 17374 17388 18396 19278 20148 21114 22338 23506 23652 24633 26061 26082 27594 28543 30222 31671 32844 33507 34748 35259 38556 41391 42228 44676 45333 47012 49266 52122 52164 55188 57086 60444 63342 67014 70518 73899 78183 82782 85629 90666 98532 100521 104244 105777 114172 126684 134028 135999 141036 147798 156366 165564 171258 181332 199801 201042 211554 221697 234549 256887 271998 293467 295596 312732 317331 342516 399602 402084 423108 443394 469098 513774 543996 586934 599403 634662 703647 770661 799204 880401 886788 938196 951993 1027548 1173868 1198806 1269324 1407294 1541322 1760802 1798209 1903986 2054269 2311983 2397612 2641203 2814588 3082644 3521604 3596418 3807972 4108538 4623966 4988939 5282406 5394627 6162807 6749741 7192836 7923609 8217076 9247932 9977878 10564812 10789254 12325614 13499482 14966817 15847218 16183881 18488421 19955756 20249223 21423091 21578508 23770827 24651228 26998964 29933634 31694436 32367762 34922573 36976842 40498446 42846182 44900451 47248187 47541654 55465263 59867268 60747669 64269273 64735524 69845146 73953684 80996892 85692364 89800902 94496374 95083308 104767719 110930526 114745597 121495338 128538546 134701353 139690292 141744561 149961637 166395789 179601804 182243007 188992748 192807819 209535438 221861052 229491194 242990676 257077092 269402706 283489122 299923274 314303157 332791578 344236791 364192547 364486014 385615638 404104059 419070876 425233683 449884911 458982388 492731093 538805412 546729021 566978244 578423457 599846548 628606314 665583156 688473582 728385094 728972028 771231276 803219179 808208118 850467366 899769822 942909471 985462186 1032710373 1092577641 1093458042 1156846914 1257212628 1275701049 1349654733 1376947164 1456770188 1478193279 1606438358 1616416236 1700934732 1735270371 1799539644 1885818942 1970924372 2065420746 2185155282 2186916084 2313693828 2409657537 2549347829 2551402098 2699309466 2828728413 2956386558 3098131119 3212876716 3277732923 3449117651 3470540742 3771637884 3827103147 4048964199 4130841492 4370310564 4434579837 4819315074 5098695658 5102804196 5398618932 5657456826 5912773116 6196262238 6555465846 6898235302 6941081484 7228972611 7648043487 7654206294 8097928398 8376428581 8869159674 9294393357 9638630148 9833198769 10197391316 10347352953 11314913652 12146892597 12392524476 13110931692 13303739511 13796470604 14457945222 15296086974 15308412588 16195856796 16752857162 17738319348 18588786714 19666397538 20694705906 21686917833 22944130461 24293785194 25129285743 26607479022 28915890444 29499596307 30592173948 31042058859 33505714324 37177573428 39332795076 39911218533 41389411812 43373835666 45888260922 48587570388 50258571486 53214958044 58635000067 58999192614 62084117718 65060753499 68832391383 75387857229 79822437066 86747671332 91776521844 93126176577 100517142972 117270000134 117998385228 124168235436 130121506998 137664782766 150775714458 159644874132 175905000201 186252353154 206497174149 226163571687 234540000268 260243013996 275329565532 279378529731 301551428916 351810000402 372504706308 412994348298 452327143374 527715000603 558757059462 678490715061 703620000804 825988696596 904654286748 1055430001206 1117514118924 1356981430122 1583145001809 2110860002412 2713962860244 3166290003618 4749435005427 6332580007236 9498870010854 18997740021708
• Sum of all divisors σ(n): 63569620122624
• Sum of proper divisors (its aliquot sum) s(n): 44571880100916
• 18997740021708 is an abundant number, because the sum of its proper divisors (44571880100916) is greater than itself. Its abundance is 25574140079208

Bases of 18997740021708

• Binary: 100010100011101000001100010111010011111001100₂
• Hexadecimal: 0x1147418BA7CC
• Base-36: 6QFFVWGR0

Squares and roots of 18997740021708

• 18997740021708 squared (18997740021708²) is 360914125932405880311237264
• 18997740021708 cubed (18997740021708³) is 6856552734625828334364671469579698526912
• The square root of 18997740021708 is 4358639.6985421955
• The cube root of 18997740021708 is 26682.9584575845

Scales and comparisons

• 18,997,740,021,708 seconds is equal to 604,069 years, 19 weeks, 1 day, 6 hours, 1 minute, 48 seconds.
• To count from 1 to 18,997,740,021,708 would take you about one million, five hundred ten thousand, one hundred seventy-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 18997740021708 cubic inches would be around 2223.6 feet tall.

Recreational maths with 18997740021708

• 18997740021708 backwards is 80712004779981
• 18997740021708 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18997740021708's digits is 63
• More coming soon!