20187431237988

Names of 20187431237988

• Cardinal: 20187431237988 can be written as Twenty trillion, one hundred eighty-seven billion, four hundred thirty-one million, two hundred thirty-seven thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 2.0187431237988 × 10¹³

Factors of 20187431237988

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3998

Divisors of 20187431237988

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 81 84 98 108 126 147 162 189 193 196 243 252 294 324 378 386 441 486 567 579 588 729 756 772 882 972 1134 1158 1323 1351 1458 1701 1737 1764 2268 2316 2646 2702 2916 3402 3474 3793 3969 4053 5103 5211 5292 5404 6804 6948 7586 7938 8106 9457 10206 10422 11379 11907 12159 15172 15633 15876 16212 18914 20412 20844 22758 23814 24318 26551 28371 31266 34137 35721 36477 37249 37828 45516 46899 47628 48636 53102 56742 62532 68274 71442 72954 74498 79653 85113 93798 102411 106204 109431 111747 113484 136548 140697 142884 145908 148996 159306 170226 185857 187596 204822 218862 223494 238959 255339 260743 281394 307233 318612 328293 335241 340452 371714 409644 437724 446988 477918 510678 521486 557571 562788 614466 656586 670482 716877 732049 743428 766017 782229 921699 955836 984879 1005723 1021356 1042972 1115142 1228932 1313172 1340964 1433754 1464098 1532034 1564458 1672713 1825201 1843398 1969758 2011446 2150631 2196147 2230284 2298051 2346687 2765097 2867508 2928196 3017169 3064068 3128916 3345426 3650402 3686796 3939516 4022892 4301262 4392294 4596102 4693374 5018139 5124343 5475603 5530194 6034338 6451893 6588441 6690852 6894153 7040061 7300804 8602524 8784588 9051507 9192204 9386748 10036278 10248686 10951206 11060388 12068676 12903786 13176882 13788306 14080122 15054417 15373029 16426809 18103014 19355679 19765323 20072556 20497372 21120183 21902412 25807572 26353764 27154521 27576612 28160244 30108834 30746058 32853618 35870401 36206028 38711358 39530646 42240366 45163251 46119087 49280427 54309042 59295969 60217668 61492116 63360549 65707236 71740802 77422716 79061292 84480732 90326502 92238174 98560854 107611203 108618084 118591938 126721098 135489753 138357261 141285457 143481604 147841281 177887907 180653004 184476348 190081647 197121708 215222406 237183876 253442196 270979506 276714522 282570914 295682562 322833609 355775814 380163294 415071783 423856371 430444812 443523843 533663721 541959012 553429044 565141828 591365124 645667218 711551628 760326588 830143566 847712742 887047686 968500827 988998199 1067327442 1245215349 1271569113 1291334436 1330571529 1660287132 1695425484 1774095372 1937001654 1977996398 2134654884 2490430698 2543138226 2661143058 2905502481 2966994597 3735646047 3814707339 3874003308 3955992796 4980861396 5086276452 5322286116 5811004962 5933989194 6922987393 7471292094 7629414678 8716507443 8900983791 11444122017 11622009924 11867978388 13845974786 14942584188 15258829356 17433014886 17801967582 20768962179 22888244034 26149522329 26702951373 27691949572 34332366051 34866029772 35603935164 41537924358 45776488068 52299044658 53405902746 62306886537 68664732102 80108854119 83075848716 102997098153 104598089316 106811805492 124613773074 137329464204 160217708238 186920659611 205994196306 240326562357 249227546148 320435416476 373841319222 411988392612 480653124714 560761978833 720979687071 747682638444 961306249428 1121523957666 1441959374142 1682285936499 2243047915332 2883918748284 3364571872998 5046857809497 6729143745996 10093715618994 20187431237988
• Sum of all divisors σ(n): 61952811797394
• Sum of proper divisors (its aliquot sum) s(n): 41765380559406
• 20187431237988 is an abundant number, because the sum of its proper divisors (41765380559406) is greater than itself. Its abundance is 21577949321418

Bases of 20187431237988

• Binary: 100100101110001000000101010101111100101100100₂
• Hexadecimal: 0x125C40AAF964
• Base-36: 75LZ7C290

Squares and roots of 20187431237988

• 20187431237988 squared (20187431237988²) is 407532379988493714294288144
• 20187431237988 cubed (20187431237988³) is 8227031898271313699951297678587110814272
• The square root of 20187431237988 is 4493042.5368549539
• The cube root of 20187431237988 is 27228.7070934247

Scales and comparisons

• 20,187,431,237,988 seconds is equal to 641,897 years, 45 weeks, 1 day, 12 hours, 19 minutes, 48 seconds.
• To count from 1 to 20,187,431,237,988 would take you about one million, six hundred four thousand, seven hundred forty-four 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 20187431237988 cubic inches would be around 2269.1 feet tall.

Recreational maths with 20187431237988

• 20187431237988 backwards is 88973213478102
• 20187431237988 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20187431237988's digits is 63
• More coming soon!