18157044636876800

Names of 18157044636876800

• Cardinal: 18157044636876800 can be written as Eighteen quadrillion, one hundred fifty-seven trillion, forty-four billion, six hundred thirty-six million, eight hundred seventy-six thousand, eight hundred.

Scientific notation

• Scientific notation: 1.81570446368768 × 10¹⁶

Factors of 18157044636876800

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 60

Divisors of 18157044636876800

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 53 64 80 100 106 128 160 200 212 256 265 320 400 424 512 530 640 800 848 1024 1060 1280 1325 1600 1696 2048 2120 2560 2650 2809 3200 3392 4096 4240 5120 5300 5618 6400 6784 8192 8480 10240 10600 11236 12800 13568 14045 16384 16960 20480 21200 22472 25600 27136 28090 32768 33920 40960 42400 44944 51200 54272 56180 67840 70225 81920 84800 89888 102400 108544 112360 135680 140450 148877 163840 169600 179776 204800 217088 224720 271360 280900 297754 339200 359552 409600 434176 449440 542720 561800 595508 678400 719104 744385 819200 868352 898880 1085440 1123600 1191016 1356800 1438208 1488770 1736704 1797760 2170880 2247200 2382032 2713600 2876416 2977540 3595520 3721925 4341760 4494400 4764064 5427200 5752832 5955080 7191040 7443850 7890481 8683520 8988800 9528128 10854400 11505664 11910160 14382080 14887700 15780962 17977600 19056256 21708800 23011328 23820320 28764160 29775400 31561924 35955200 38112512 39452405 43417600 46022656 47640640 57528320 59550800 63123848 71910400 76225024 78904810 92045312 95281280 115056640 119101600 126247696 143820800 152450048 157809620 190562560 197262025 230113280 238203200 252495392 287641600 304900096 315619240 381125120 394524050 418195493 460226560 476406400 504990784 575283200 609800192 631238480 762250240 789048100 836390986 952812800 1009981568 1150566400 1219600384 1262476960 1524500480 1578096200 1672781972 1905625600 2019963136 2090977465 2301132800 2439200768 2524953920 3049000960 3156192400 3345563944 3811251200 4039926272 4181954930 4878401536 5049907840 6098001920 6312384800 6691127888 7622502400 8079852544 8363909860 10099815680 10454887325 12196003840 12624769600 13382255776 15245004800 16159705088 16727819720 20199631360 20909774650 22164361129 24392007680 25249539200 26764511552 30490009600 32319410176 33455639440 40399262720 41819549300 44328722258 50499078400 53529023104 60980019200 64638820352 66911278880 80798525440 83639098600 88657444516 100998156800 107058046208 110821805645 121960038400 129277640704 133822557760 161597050880 167278197200 177314889032 201996313600 214116092416 221643611290 258555281408 267645115520 323194101760 334556394400 354629778064 403992627200 428232184832 443287222580 535290231040 554109028225 646388203520 669112788800 709259556128 807985254400 856464369664 886574445160 1070580462080 1108218056450 1292776407040 1338225577600 1418519112256 1615970508800 1712928739328 1773148890320 2141160924160 2216436112900 2676451155200 2837038224512 3231941017600 3425857478656 3546297780640 4282321848320 4432872225800 5352902310400 5674076449024 6463882035200 6851714957312 7092595561280 8564643696640 8865744451600 10705804620800 11348152898048 13703429914624 14185191122560 17129287393280 17731488903200 21411609241600 22696305796096 28370382245120 34258574786560 35462977806400 42823218483200 45392611592192 56740764490240 68517149573120 70925955612800 85646436966400 90785223184384 113481528980480 141851911225600 171292873932800 181570446368768 226963057960960 283703822451200 342585747865600 363140892737536 453926115921920 567407644902400 726281785475072 907852231843840 1134815289804800 1815704463687680 2269630579609600 3631408927375360 4539261159219200 9078522318438400 18157044636876800
• Sum of all divisors σ(n): 45894721750456155
• Sum of proper divisors (its aliquot sum) s(n): 27737677113579355
• 18157044636876800 is an abundant number, because the sum of its proper divisors (27737677113579355) is greater than itself. Its abundance is 9580632476702555

Bases of 18157044636876800

• Binary: 1000000100000011011110001100011110000001000000000000000₂
• Hexadecimal: 0x4081BC63C08000
• Base-36: 4YS4V5JSO3K

Squares and roots of 18157044636876800

• 18157044636876800 squared (18157044636876800²) is 329678269945536565970458378240000
• 18157044636876800 cubed (18157044636876800³) is 5985983063209426624384017892126749026680832000000
• The square root of 18157044636876800 is 134748078.4162683339
• The cube root of 18157044636876800 is 262834.1064524781
• Being both a perfect square and a perfect cube, 18157044636876800 is also a perfect sixth number.

Scales and comparisons

• 18,157,044,636,876,800 seconds is equal to 577,337,856 years, 1 week, 2 days, 11 hours, 33 minutes, 20 seconds.
• To count from 1 to 18,157,044,636,876,800 would take you about one billion, seven hundred thirty-two million, thirteen thousand, five hundred sixty-eight 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 18157044636876800 cubic inches would be around 21902.8 feet tall.

Recreational maths with 18157044636876800

• 18157044636876800 backwards is 00867863644075181
• The number of decimal digits it has is: 17
• The sum of 18157044636876800's digits is 74
• More coming soon!