155378460672

Names of 155378460672

• Cardinal: 155378460672 can be written as One hundred fifty-five billion, three hundred seventy-eight million, four hundred sixty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.55378460672 × 10¹¹

Factors of 155378460672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 3236

Divisors of 155378460672

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 37 48 64 72 73 74 96 111 128 144 146 148 192 219 222 256 288 292 296 333 384 438 444 512 576 584 592 657 666 768 876 888 1024 1152 1168 1184 1314 1332 1536 1752 1776 2048 2304 2336 2368 2628 2664 2701 3072 3121 3504 3552 4608 4672 4736 5256 5328 5402 6144 6242 7008 7104 8103 9216 9344 9363 9472 10512 10656 10804 12484 14016 14208 16206 18432 18688 18726 18944 21024 21312 21608 24309 24968 28032 28089 28416 32412 37376 37452 37888 42048 42624 43216 48618 49936 56064 56178 56832 64824 74752 74904 75776 84096 85248 86432 97236 99872 112128 112356 113664 115477 129648 149504 149808 168192 170496 172864 194472 199744 224256 224712 227328 227833 230954 259296 299616 336384 340992 345728 346431 388944 399488 448512 449424 455666 461908 518592 599232 672768 681984 683499 691456 692862 777888 798976 898848 911332 923816 1037184 1039293 1198464 1345536 1366998 1382912 1385724 1555776 1597952 1797696 1822664 1847632 2050497 2074368 2078586 2396928 2733996 2765824 2771448 3111552 3195904 3595392 3645328 3695264 4100994 4148736 4157172 4793856 5467992 5531648 5542896 6223104 6391808 7190784 7290656 7390528 8201988 8297472 8314344 8429821 9587712 10935984 11085792 12446208 14381568 14581312 14781056 16403976 16594944 16628688 16859642 19175424 21871968 22171584 24892416 25289463 28763136 29162624 29562112 32807952 33257376 33719284 43743936 44343168 49784832 50578926 57526272 58325248 59124224 65615904 66514752 67438568 75868389 87487872 88686336 101157852 116650496 118248448 131231808 133029504 134877136 151736778 174975744 177372672 202315704 233300992 236496896 262463616 266059008 269754272 303473556 349951488 354745344 404631408 466601984 524927232 532118016 539508544 606947112 699902976 709490688 809262816 1049854464 1064236032 1079017088 1213894224 1399805952 1618525632 2099708928 2128472064 2158034176 2427788448 3237051264 4199417856 4316068352 4855576896 6474102528 8632136704 9711153792 12948205056 17264273408 19422307584 25896410112 38844615168 51792820224 77689230336 155378460672
• Sum of all divisors σ(n): 467353472040
• Sum of proper divisors (its aliquot sum) s(n): 311975011368
• 155378460672 is an abundant number, because the sum of its proper divisors (311975011368) is greater than itself. Its abundance is 156596550696

Bases of 155378460672

• Binary: 10010000101101010001110010100000000000₂
• Hexadecimal: 0x242D472800
• Base-36: 1ZDOBNK0

Squares and roots of 155378460672

• 155378460672 squared (155378460672²) is 24142466040800250691584
• 155378460672 cubed (155378460672³) is 3751219210245577299490025345384448
• The square root of 155378460672 is 394180.7461964625
• The cube root of 155378460672 is 5376.0537834755

Scales and comparisons

• 155,378,460,672 seconds is equal to 4,940 years, 28 weeks, 5 days, 19 hours, 31 minutes, 12 seconds.
• To count from 1 to 155,378,460,672 would take you about nine thousand, eight hundred eighty-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 155378460672 cubic inches would be around 448 feet tall.

Recreational maths with 155378460672

• 155378460672 backwards is 276064873551
• The number of decimal digits it has is: 12
• The sum of 155378460672's digits is 54
• More coming soon!