155221131920000

Names of 155221131920000

• Cardinal: 155221131920000 can be written as One hundred fifty-five trillion, two hundred twenty-one billion, one hundred thirty-one million, nine hundred twenty thousand.

Scientific notation

• Scientific notation: 1.5522113192 × 10¹⁴

Factors of 155221131920000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 71358

Divisors of 155221131920000

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 61 64 80 100 122 125 128 160 200 244 250 305 320 400 449 488 500 610 625 640 800 898 976 1000 1220 1250 1525 1600 1796 1952 2000 2245 2440 2500 3050 3200 3592 3904 4000 4490 4880 5000 6100 7184 7625 7808 8000 8980 9760 10000 11225 12200 14368 15250 16000 17960 19520 20000 22450 24400 27389 28736 30500 35920 38125 39040 40000 44900 48800 54778 56125 57472 61000 70841 71840 76250 80000 89800 97600 109556 112250 122000 136945 141682 143680 152500 179600 195200 219112 224500 244000 273890 280625 283364 287360 305000 354205 359200 438224 449000 488000 547780 561250 566728 610000 684725 708410 718400 876448 898000 976000 1095560 1122500 1133456 1220000 1369450 1416820 1436800 1752896 1771025 1796000 2191120 2245000 2266912 2440000 2738900 2833640 3423625 3505792 3542050 3592000 4321301 4382240 4490000 4533824 4880000 5477800 5667280 6847250 7084100 7184000 8642602 8764480 8855125 8980000 9067648 10955600 11334560 13694500 14168200 17118125 17285204 17528960 17710250 17960000 21606505 21911200 22669120 27389000 28336400 31807609 34236250 34570408 35420500 35920000 43213010 43822400 44275625 45338240 54778000 56672800 63615218 68472500 69140816 70841000 86426020 87644800 88551250 108032525 109556000 113345600 127230436 136945000 138281632 141682000 159038045 172852040 177102500 216065050 219112000 226691200 254460872 273890000 276563264 283364000 318076090 345704080 354205000 432130100 438224000 508921744 540162625 547780000 553126528 566728000 636152180 691408160 708410000 795190225 864260200 1017843488 1080325250 1095560000 1133456000 1272304360 1382816320 1416820000 1590380450 1728520400 1940264149 2035686976 2160650500 2191120000 2544608720 2700813125 2765632640 2833640000 3180760900 3457040800 3880528298 3975951125 4071373952 4321301000 5089217440 5401626250 5667280000 6361521800 6914081600 7761056596 7951902250 8642602000 9701320745 10178434880 10803252500 12723043600 13828163200 15522113192 15903804500 17285204000 19402641490 19879755625 20356869760 21606505000 25446087200 31044226384 31807609000 34570408000 38805282980 39759511250 43213010000 48506603725 50892174400 62088452768 63615218000 69140816000 77610565960 79519022500 86426020000 97013207450 101784348800 124176905536 127230436000 155221131920 159038045000 172852040000 194026414900 242533018625 248353811072 254460872000 310442263840 318076090000 345704080000 388052829800 485066037250 508921744000 620884527680 636152180000 776105659600 970132074500 1212665093125 1241769055360 1272304360000 1552211319200 1940264149000 2425330186250 2544608720000 3104422638400 3880528298000 4850660372500 6208845276800 7761056596000 9701320745000 15522113192000 19402641490000 31044226384000 38805282980000 77610565960000 155221131920000
• Sum of all divisors σ(n): 393628224429000
• Sum of proper divisors (its aliquot sum) s(n): 238407092509000
• 155221131920000 is an abundant number, because the sum of its proper divisors (238407092509000) is greater than itself. Its abundance is 83185960589000

Bases of 155221131920000

• Binary: 100011010010110000111100011011100000001010000000₂
• Hexadecimal: 0x8D2C3C6E0280
• Base-36: 1J0RLQ95KW

Squares and roots of 155221131920000

• 155221131920000 squared (155221131920000²) is 24093599794526042886400000000
• 155221131920000 cubed (155221131920000³) is 3739835832133811796745471973888000000000000
• The square root of 155221131920000 is 12458777.3043746151
• The cube root of 155221131920000 is 53742.3865958547

Scales and comparisons

• 155,221,131,920,000 seconds is equal to 4,935,551 years, 44 weeks, 6 days, 16 hours, 53 minutes, 20 seconds.
• To count from 1 to 155,221,131,920,000 would take you about twelve million, three hundred thirty-eight thousand, eight hundred seventy-nine 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 155221131920000 cubic inches would be around 4478.5 feet tall.

Recreational maths with 155221131920000

• 155221131920000 backwards is 000029131122551
• 155221131920000 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 155221131920000's digits is 32
• More coming soon!