18485901120420

Names of 18485901120420

• Cardinal: 18485901120420 can be written as Eighteen trillion, four hundred eighty-five billion, nine hundred one million, one hundred twenty thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.848590112042 × 10¹³

Factors of 18485901120420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 218

Divisors of 18485901120420

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 34 36 45 51 54 60 68 85 90 102 108 135 153 170 180 191 204 255 270 289 306 340 382 459 510 540 573 578 612 764 765 867 918 955 1020 1146 1156 1445 1530 1719 1734 1836 1910 2292 2295 2601 2865 2890 3060 3247 3438 3468 3820 4335 4590 4913 5157 5202 5730 5780 6494 6876 7803 8595 8670 9180 9741 9826 10314 10404 11460 12988 13005 14739 15606 16235 17190 17340 19482 19652 20628 24565 25785 26010 29223 29478 31212 32470 34380 36481 38964 39015 44217 48705 49130 51570 52020 55199 58446 58956 64940 72962 73695 78030 87669 88434 97410 98260 103140 109443 110398 116892 132651 145924 146115 147390 156060 165597 175338 176868 182405 194820 218886 220796 221085 265302 275995 292230 294780 328329 331194 350676 364810 437772 438345 442170 496791 530604 547215 551990 584460 620177 656658 662388 663255 729620 827985 876690 884340 938383 984987 993582 1094430 1103980 1240354 1313316 1326510 1490373 1641645 1655970 1753380 1860531 1876766 1969974 1987164 2188860 2480708 2483955 2653020 2815149 2980746 3100885 3283290 3311940 3721062 3753532 3939948 4691915 4924935 4967910 5581593 5630298 5961492 6201770 6566580 6967871 7442124 7451865 8445447 9302655 9383830 9849870 9935820 10543009 11163186 11260596 12403540 13935742 14075745 14903730 16744779 16890894 18605310 18767660 19699740 20903613 21086018 22326372 25336341 27871484 27907965 28151490 29807460 31629027 33489558 33781788 34839355 37210620 41807226 42172036 42227235 50672682 52715045 55815930 56302980 62710839 63258054 66979116 69678710 83614452 83723895 84454470 94887081 101345364 104518065 105430090 111631860 118453807 125421678 126516108 126681705 139357420 158145135 167447790 168908940 179231153 188132517 189774162 209036130 210860180 236907614 250843356 253363410 284661243 313554195 316290270 334895580 355361421 358462306 376265034 379548324 418072260 473815228 474435405 506726820 537693459 569322486 592269035 627108390 632580540 710722842 716924612 752530068 896155765 940662585 948870810 1066084263 1075386918 1138644972 1184538070 1254216780 1421445684 1423306215 1613080377 1776807105 1792311530 1881325170 1897741620 2013714719 2132168526 2150773836 2369076140 2688467295 2846612430 3198252789 3226160754 3553614210 3584623060 3762650340 4027429438 4264337052 4839241131 5330421315 5376934590 5693224860 6041144157 6396505578 6452321508 7107228420 8054858876 8065401885 9678482262 10068573595 10660842630 10753869180 12082288314 12793011156 15991263945 16130803770 18123432471 19356964524 20137147190 21321685260 24164576628 24196205655 30205720785 31982527890 32261607540 34233150223 36246864942 40274294380 48392411310 54370297413 60411441570 63965055780 68466300446 72493729884 90617162355 96784822620 102699450669 108740594826 120822883140 136932600892 171165751115 181234324710 205398901338 217481189652 271851487065 308098352007 342331502230 362468649420 410797802676 513497253345 543702974130 616196704014 684663004460 924295056021 1026994506690 1087405948260 1232393408028 1540491760035 1848590112042 2053989013380 3080983520070 3697180224084 4621475280105 6161967040140 9242950560210 18485901120420
• Sum of all divisors σ(n): 61427049062400
• Sum of proper divisors (its aliquot sum) s(n): 42941147941980
• 18485901120420 is an abundant number, because the sum of its proper divisors (42941147941980) is greater than itself. Its abundance is 24455246821560

Bases of 18485901120420

• Binary: 100001101000000010101100100011101001110100100₂
• Hexadecimal: 0x10D01591D3A4
• Base-36: 6JWB08GX0

Squares and roots of 18485901120420

• 18485901120420 squared (18485901120420²) is 341728540233945411340976400
• 18485901120420 cubed (18485901120420³) is 6317160004790182528425273407416778088000
• The square root of 18485901120420 is 4299523.3596783723
• The cube root of 18485901120420 is 26441.1420032509

Scales and comparisons

• 18,485,901,120,420 seconds is equal to 587,794 years, 24 weeks, 4 days, 21 hours, 27 minutes.
• To count from 1 to 18,485,901,120,420 would take you about one million, four hundred sixty-nine thousand, four hundred eighty-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 18485901120420 cubic inches would be around 2203.4 feet tall.

Recreational maths with 18485901120420

• 18485901120420 backwards is 02402110958481
• 18485901120420 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18485901120420's digits is 45
• More coming soon!