155493990400
155,493,990,400 is an even composite number composed of four prime numbers multiplied together.
155493990400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 155493990400:
217 × 52 × 7 × 6779
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 7 × 6779)See below for interesting mathematical facts about the number 155493990400 from the Numbermatics database.
Names of 155493990400
- Cardinal: 155493990400 can be written as One hundred fifty-five billion, four hundred ninety-three million, nine hundred ninety thousand, four hundred.
Scientific notation
- Scientific notation: 1.554939904 × 1011
Factors of 155493990400
Divisors of 155493990400
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 128 140 160 175 200 224 256 280 320 350 400 448 512 560 640 700 800 896 1024 1120 1280 1400 1600 1792 2048 2240 2560 2800 3200 3584 4096 4480 5120 5600 6400 6779 7168 8192 8960 10240 11200 12800 13558 14336 16384 17920 20480 22400 25600 27116 28672 32768 33895 35840 40960 44800 47453 51200 54232 57344 65536 67790 71680 81920 89600 94906 102400 108464 114688 131072 135580 143360 163840 169475 179200 189812 204800 216928 229376 237265 271160 286720 327680 338950 358400 379624 409600 433856 458752 474530 542320 573440 655360 677900 716800 759248 819200 867712 917504 949060 1084640 1146880 1186325 1355800 1433600 1518496 1638400 1735424 1898120 2169280 2293760 2372650 2711600 2867200 3036992 3276800 3470848 3796240 4338560 4587520 4745300 5423200 5734400 6073984 6941696 7592480 8677120 9490600 10846400 11468800 12147968 13883392 15184960 17354240 18981200 21692800 22937600 24295936 27766784 30369920 34708480 37962400 43385600 48591872 55533568 60739840 69416960 75924800 86771200 97183744 111067136 121479680 138833920 151849600 173542400 194367488 222134272 242959360 277667840 303699200 347084800 388734976 444268544 485918720 555335680 607398400 694169600 777469952 888537088 971837440 1110671360 1214796800 1388339200 1554939904 1943674880 2221342720 2429593600 2776678400 3109879808 3887349760 4442685440 4859187200 5553356800 6219759616 7774699520 9718374400 11106713600 15549399040 19436748800 22213427200 31098798080 38873497600 77746995200 155493990400
- Sum of all divisors σ(n): 440777725920
- Sum of proper divisors (its aliquot sum) s(n): 285283735520
- 155493990400 is an abundant number, because the sum of its proper divisors (285283735520) is greater than itself. Its abundance is 129789745120
Bases of 155493990400
- Binary: 100100001101000010101000000000000000002
- Hexadecimal: 0x24342A0000
- Base-36: 1ZFL3UV4
Squares and roots of 155493990400
- 155493990400 squared (1554939904002) is 24178381050515292160000
- 155493990400 cubed (1554939904003) is 3759592950956366754180235264000000
-
The
square root of 155493990400 is 394327.2630696487 -
The
cube root of 155493990400 is 5377.3858860863
Scales and comparisons
How big is 155493990400?- 155,493,990,400 seconds is equal to 4,944 years, 11 weeks, 5 days, 23 hours, 6 minutes, 40 seconds.
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To count from 1 to 155,493,990,400 would take you about nine thousand, eight hundred eighty-eight 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 155493990400 cubic inches would be around 448.1 feet tall.
Recreational maths with 155493990400
- 155493990400 backwards is 004099394551
- The number of decimal digits it has is: 12
- The sum of 155493990400's digits is 49
- More coming soon!
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