155290815494663040

Names of 155290815494663040

• Cardinal: 155290815494663040 can be written as One hundred fifty-five quadrillion, two hundred ninety trillion, eight hundred fifteen billion, four hundred ninety-four million, six hundred sixty-three thousand and forty.

Scientific notation

• Scientific notation: 1.5529081549466304 × 10¹⁷

Factors of 155290815494663040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 390727696024

Divisors of 155290815494663040

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 27 30 32 36 40 45 46 48 54 60 64 69 72 80 90 92 96 108 115 120 128 135 138 144 160 180 184 192 207 216 230 240 270 276 288 320 345 360 368 384 414 432 460 480 540 552 576 621 640 690 720 736 828 864 920 960 1035 1080 1104 1152 1242 1380 1440 1472 1656 1728 1840 1920 2070 2160 2208 2484 2760 2880 2944 3105 3312 3456 3680 4140 4320 4416 4968 5520 5760 6210 6624 7360 8280 8640 8832 9936 11040 12420 13248 14720 16560 17280 19872 22080 24840 26496 33120 39744 44160 49680 66240 79488 99360 132480 198720 397440 390727695991 781455391982 1172183087973 1562910783964 1953638479955 2344366175946 3125821567928 3516549263919 3907276959910 4688732351892 5860915439865 6251643135856 7033098527838 7814553919820 8986737007793 9377464703784 10549647791757 11721830879730 12503286271712 14066197055676 15629107839640 17582746319595 17973474015586 18754929407568 21099295583514 23443661759460 25006572543424 26960211023379 28132394111352 31258215679280 35165492639190 35946948031172 37509858815136 42198591167028 44933685038965 46887323518920 50013145086848 52748238958785 53920422046758 56264788222704 62516431358560 70330985278380 71893896062344 75019717630272 80880633070137 84397182334056 89867370077930 93774647037840 105496477917570 107840844093516 112529576445408 125032862717120 134801055116895 140661970556760 143787792124688 150039435260544 161761266140274 168794364668112 179734740155860 187549294075680 210992955835140 215681688187032 225059152890816 242641899210411 250065725434240 269602110233790 281323941113520 287575584249376 323522532280548 337588729336224 359469480311720 375098588151360 404403165350685 421985911670280 431363376374064 450118305781632 485283798420822 539204220467580 562647882227040 575151168498752 647045064561096 675177458672448 718938960623440 750197176302720 808806330701370 843971823340560 862726752748128 970567596841644 1078408440935160 1125295764454080 1150302336997504 1213209496052055 1294090129122192 1350354917344896 1437877921246880 1617612661402740 1687943646681120 1725453505496256 1941135193683288 2156816881870320 2250591528908160 2426418992104110 2588180258244384 2875755842493760 3235225322805480 3375887293362240 3450907010992512 3882270387366576 4313633763740640 4852837984208220 5176360516488768 5751511684987520 6470450645610960 6751774586724480 7764540774733152 8627267527481280 9705675968416440 10352721032977536 12940901291221920 15529081549466304 17254535054962560 19411351936832880 25881802582443840 31058163098932608 38822703873665760 51763605164887680 77645407747331520 155290815494663040
• Sum of all divisors σ(n): 573900839873049600
• Sum of proper divisors (its aliquot sum) s(n): 418610024378386560
• 155290815494663040 is an abundant number, because the sum of its proper divisors (418610024378386560) is greater than itself. Its abundance is 263319208883723520

Bases of 155290815494663040

• Binary: 1000100111101101000010110010000110011100001010101110000000₂
• Hexadecimal: 0x227B42C8670AB80
• Base-36: 16H1ZZS7HEO0

Squares and roots of 155290815494663040

• 155290815494663040 squared (155290815494663040²) is 24115237376997478508646723142041600
• 155290815494663040 cubed (155290815494663040³) is 3744874878121317321779932975228855183384649662464000
• The square root of 155290815494663040 is 394069556.6707266465
• The cube root of 155290815494663040 is 537504.2760009285

Scales and comparisons

• 155,290,815,494,663,040 seconds is equal to 4,937,767,586 years, 36 weeks, 2 days, 14 hours, 24 minutes.
• To count from 1 to 155,290,815,494,663,040 would take you about fourteen billion, eight hundred thirteen million, three hundred two thousand, seven hundred sixty 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 155290815494663040 cubic inches would be around 44792 feet tall.

Recreational maths with 155290815494663040

• 155290815494663040 backwards is 040366494518092551
• 155290815494663040 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 155290815494663040's digits is 72
• More coming soon!