90438261787940

Names of 90438261787940

• Cardinal: 90438261787940 can be written as Ninety trillion, four hundred thirty-eight billion, two hundred sixty-one million, seven hundred eighty-seven thousand, nine hundred forty.

Scientific notation

• Scientific notation: 9.043826178794 × 10¹³

Factors of 90438261787940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 637

Divisors of 90438261787940

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 4 5 10 11 20 22 37 44 55 61 74 110 121 122 148 185 220 242 244 305 370 407 484 521 605 610 671 740 814 1042 1210 1220 1342 1628 2035 2084 2257 2420 2605 2684 3355 3721 4070 4477 4514 5210 5731 6710 7381 7442 8140 8954 9028 10420 11285 11462 13420 14762 14884 17908 18605 19277 22385 22570 22924 24827 28655 29524 31781 36905 37210 38554 40931 44770 45140 49654 57310 63041 63562 73810 74420 77108 81862 89540 96385 99308 114620 124135 126082 127124 137677 147620 158905 163724 192770 204655 212047 248270 252164 271441 273097 275354 315205 317810 349591 385540 409310 424094 450241 496540 542882 546194 550708 630410 635620 688385 699182 818620 848188 900482 1060235 1085764 1092388 1175897 1260820 1357205 1365485 1376770 1398364 1514447 1747955 1800964 1938641 2120470 2251205 2332517 2351794 2714410 2730970 2753540 2985851 3028894 3495910 3845501 3877282 4240940 4502410 4665034 4703588 5428820 5461940 5879485 5971702 6057788 6991820 7572235 7691002 7754564 9004820 9330068 9693205 10043317 11662585 11758970 11943404 12934867 14929255 15144470 15382004 16557901 16658917 19227505 19386410 20086634 21325051 23325170 23517940 25869734 29858510 30288940 32844361 33115802 33317834 38455010 38772820 40173268 42650102 46650340 50216585 51739468 59717020 64674335 65688722 66231604 66635668 71729717 76910020 82789505 83294585 85300204 100433170 106625255 110476487 129348670 131377444 142283537 143459434 164221805 165579010 166589170 182136911 200866340 213250510 220952974 234575561 258697340 284567074 286918868 328443610 331158020 333178340 358648585 364273822 426501020 441905948 469151122 552382435 569134148 612642337 656887220 711417685 717297170 728547644 789026887 910684555 938302244 1010031961 1104764870 1172877805 1215241357 1225284674 1422835370 1434594340 1578053774 1821369110 2003506021 2020063922 2209529740 2345755610 2430482714 2450569348 2845670740 3063211685 3156107548 3642738220 3945134435 4007012042 4040127844 4691511220 4860965428 5050159805 6076206785 6126423370 6739065707 7890268870 8014024084 8679295757 10017530105 10100319610 11110351571 12152413570 12252846740 13478131414 15780537740 17358591514 20035060210 20200639220 22220703142 24304827140 26956262828 33695328535 34717183028 37371182557 40070120420 43396478785 44441406284 55551757855 67390657070 74129722777 74742365114 86792957570 111103515710 122213867281 134781314140 148259445554 149484730228 173585915140 186855912785 222207031420 244427734562 296518891108 370648613885 373711825570 411083008127 488855469124 611069336405 741297227770 747423651140 822166016254 1222138672810 1482594455540 1644332032508 2055415040635 2444277345620 4110830081270 4521913089397 8221660162540 9043826178794 18087652357588 22609565446985 45219130893970 90438261787940
• Sum of all divisors σ(n): 218388966203772
• Sum of proper divisors (its aliquot sum) s(n): 127950704415832
• 90438261787940 is an abundant number, because the sum of its proper divisors (127950704415832) is greater than itself. Its abundance is 37512442627892

Bases of 90438261787940

• Binary: 10100100100000011001100011101111100110100100100₂
• Hexadecimal: 0x5240CC77CD24
• Base-36: W22RI0S9W

Squares and roots of 90438261787940

• 90438261787940 squared (90438261787940²) is 8179079195223968365529443600
• 90438261787940 cubed (90438261787940³) is 739701705441958865582268857416849390184000
• The square root of 90438261787940 is 9509903.3532386647
• The cube root of 90438261787940 is 44886.6715047737

Scales and comparisons

• 90,438,261,787,940 seconds is equal to 2,875,656 years, 51 weeks, 1 hour, 32 minutes, 20 seconds.
• To count from 1 to 90,438,261,787,940 would take you about seven million, one hundred eighty-nine thousand, one hundred forty-two 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 90438261787940 cubic inches would be around 3740.6 feet tall.

Recreational maths with 90438261787940

• 90438261787940 backwards is 04978716283409
• The number of decimal digits it has is: 14
• The sum of 90438261787940's digits is 68
• More coming soon!