3945938205440

Names of 3945938205440

• Cardinal: 3945938205440 can be written as Three trillion, nine hundred forty-five billion, nine hundred thirty-eight million, two hundred five thousand, four hundred forty.

Scientific notation

• Scientific notation: 3.94593820544 × 10¹²

Factors of 3945938205440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 66589

Divisors of 3945938205440

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 110 112 128 140 154 160 176 220 224 256 280 308 320 352 385 440 448 560 607 616 640 704 770 880 896 1120 1214 1232 1280 1408 1540 1760 1792 2240 2428 2464 2816 3035 3080 3520 4249 4480 4856 4928 6070 6160 6677 7040 8498 8960 9712 9856 12140 12320 13354 14080 16996 19424 19712 21245 24280 24640 26708 33385 33992 38848 42490 46739 48560 49280 53416 65957 66770 67984 77696 84980 93478 97120 98560 106832 131914 133540 135968 155392 169960 186956 194240 213664 233695 263828 267080 271936 329785 339920 373912 388480 427328 461699 467390 527656 534160 543872 659570 679840 725527 747824 776960 854656 923398 934780 1055312 1068320 1087744 1319140 1359680 1451054 1495648 1709312 1846796 1869560 2110624 2136640 2308495 2638280 2719360 2902108 2991296 3627635 3693592 3739120 4221248 4273280 4616990 5078689 5276560 5438720 5804216 5982592 7255270 7387184 7478240 8442496 8546560 9233980 10157378 10553120 11608432 11965184 14510540 14774368 14956480 16884992 18467960 20314756 21106240 23216864 25393445 29021080 29548736 29912960 36935920 40035899 40629512 42212480 46433728 50786890 58042160 59097472 59825920 73871840 80071798 81259024 84424960 92867456 101573780 116084320 118194944 147743680 160143596 162518048 185734912 200179495 203147560 232168640 280251293 295487360 320287192 325036096 400358990 406295120 440394889 464337280 560502586 590974720 640574384 650072192 800717980 812590240 880789778 928674560 1121005172 1281148768 1300144384 1401256465 1601435960 1625180480 1761579556 2201974445 2242010344 2562297536 2802512930 3082764223 3202871920 3250360960 3523159112 4403948890 4484020688 5124595072 5605025860 6165528446 6405743840 6500721920 7046318224 8807897780 8968041376 10249190144 11210051720 12331056892 12811487680 14092636448 15413821115 17615795560 17936082752 22420103440 24662113784 25622975360 28185272896 30827642230 35231591120 35872165504 44840206880 49324227568 51245950720 56370545792 61655284460 70463182240 71744331008 89680413760 98648455136 112741091584 123310568920 140926364480 179360827520 197296910272 246621137840 281852728960 358721655040 394593820544 493242275680 563705457920 789187641088 986484551360 1972969102720 3945938205440
• Sum of all divisors σ(n): 11803598843904
• Sum of proper divisors (its aliquot sum) s(n): 7857660638464
• 3945938205440 is an abundant number, because the sum of its proper divisors (7857660638464) is greater than itself. Its abundance is 3911722433024

Bases of 3945938205440

• Binary: 111001011010111100001111101011101100000000₂
• Hexadecimal: 0x396BC3EBB00
• Base-36: 1ECQLQ5FK

Squares and roots of 3945938205440

• 3945938205440 squared (3945938205440²) is 15570428321151047645593600
• 3945938205440 cubed (3945938205440³) is 61439947987494916941829547107549184000
• The square root of 3945938205440 is 1986438.5732863727
• The cube root of 3945938205440 is 15802.1711023889

Scales and comparisons

• 3,945,938,205,440 seconds is equal to 125,468 years, 32 weeks, 5 days, 1 hour, 57 minutes, 20 seconds.
• To count from 1 to 3,945,938,205,440 would take you about three hundred thirteen thousand, six hundred seventy-one 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 3945938205440 cubic inches would be around 1316.8 feet tall.

Recreational maths with 3945938205440

• 3945938205440 backwards is 0445028395493
• 3945938205440 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 3945938205440's digits is 56
• More coming soon!