131231078720

Names of 131231078720

• Cardinal: 131231078720 can be written as One hundred thirty-one billion, two hundred thirty-one million, seventy-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.3123107872 × 10¹¹

Factors of 131231078720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3341

Divisors of 131231078720

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 49 56 64 70 76 80 95 98 112 133 139 140 152 160 190 196 224 245 266 278 280 304 320 380 392 448 490 532 556 560 608 665 695 760 784 931 973 980 1064 1112 1120 1216 1330 1390 1520 1568 1862 1946 1960 2128 2224 2240 2641 2660 2780 3040 3136 3169 3724 3892 3920 4256 4448 4655 4865 5282 5320 5560 6080 6338 6811 7448 7784 7840 8512 8896 9310 9730 10564 10640 11120 12676 13205 13622 14896 15568 15680 15845 18487 18620 19460 21128 21280 22183 22240 25352 26410 27244 29792 31136 31690 34055 36974 37240 38920 42256 42560 44366 44480 50704 52820 54488 59584 60211 62272 63380 68110 73948 74480 77840 84512 88732 92435 101408 105640 108976 110915 120422 126760 129409 136220 147896 148960 155281 155680 169024 177464 184870 202816 211280 217952 221830 240844 253520 258818 272440 295792 297920 301055 310562 311360 354928 369740 421477 422560 435904 440491 443660 481688 507040 517636 544880 591584 602110 621124 647045 709856 739480 776405 842954 845120 880982 887320 963376 1014080 1035272 1089760 1183168 1204220 1242248 1294090 1419712 1478960 1552810 1685908 1761964 1774640 1926752 2070544 2107385 2179520 2202455 2408440 2484496 2588180 2950339 2957920 3083437 3105620 3371816 3523928 3549280 3853504 4141088 4214770 4404910 4816880 4968992 5176360 5900678 5915840 6166874 6211240 6743632 7047856 7098560 8282176 8369329 8429540 8809820 9633760 9937984 10352720 11801356 12333748 12422480 13487264 14095712 14751695 15417185 16738658 16859080 17619640 19267520 20705440 21584059 23602712 24667496 24844960 26974528 28191424 29503390 30834370 33477316 33718160 35239280 41410880 41846645 43168118 47205424 49334992 49689920 58585303 59006780 61668740 66954632 67436320 70478560 83693290 86336236 94410848 98669984 107920295 117170606 118013560 123337480 133909264 134872640 140957120 167386580 172672472 188821696 197339968 215840590 234341212 236027120 246674960 267818528 292926515 334773160 345344944 410097121 431681180 468682424 472054240 493349920 535637056 585853030 669546320 690689888 820194242 863362360 937364848 944108480 986699840 1171706060 1339092640 1381379776 1640388484 1726724720 1874729696 2050485605 2343412120 2678185280 3280776968 3453449440 3749459392 4100971210 4686824240 6561553936 6906898880 8201942420 9373648480 13123107872 16403884840 18747296960 26246215744 32807769680 65615539360 131231078720
• Sum of all divisors σ(n): 385520184000
• Sum of proper divisors (its aliquot sum) s(n): 254289105280
• 131231078720 is an abundant number, because the sum of its proper divisors (254289105280) is greater than itself. Its abundance is 123058026560

Bases of 131231078720

• Binary: 1111010001101111110110101100101000000₂
• Hexadecimal: 0x1E8DFB5940
• Base-36: 1OABLGE8

Squares and roots of 131231078720

• 131231078720 squared (131231078720²) is 17221596022014836838400
• 131231078720 cubed (131231078720³) is 2260008623249067906148026318848000
• The square root of 131231078720 is 362258.3038661775
• The cube root of 131231078720 is 5081.7375625593

Scales and comparisons

• 131,231,078,720 seconds is equal to 4,172 years, 38 weeks, 4 days, 5 hours, 25 minutes, 20 seconds.
• To count from 1 to 131,231,078,720 would take you about eight thousand, three hundred forty-five 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 131231078720 cubic inches would be around 423.5 feet tall.

Recreational maths with 131231078720

• 131231078720 backwards is 027870132131
• 131231078720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 131231078720's digits is 35
• More coming soon!