155387846656

Names of 155387846656

• Cardinal: 155387846656 can be written as One hundred fifty-five billion, three hundred eighty-seven million, eight hundred forty-six thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 1.55387846656 × 10¹¹

Factors of 155387846656

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 3279

Divisors of 155387846656

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 32 34 49 56 64 68 98 112 119 128 136 196 224 238 256 272 343 392 448 476 512 544 686 784 833 896 952 1024 1088 1372 1568 1666 1792 1904 2048 2176 2744 3136 3253 3332 3584 3808 4096 4352 5488 5831 6272 6506 6664 7168 7616 8192 8704 10976 11662 12544 13012 13328 14336 15232 17408 21952 22771 23324 25088 26024 26656 28672 30464 34816 43904 45542 46648 50176 52048 53312 55301 57344 60928 69632 87808 91084 93296 100352 104096 106624 110602 121856 139264 159397 175616 182168 186592 200704 208192 213248 221204 243712 318794 351232 364336 373184 387107 401408 416384 426496 442408 487424 637588 702464 728672 746368 774214 832768 852992 884816 974848 1115779 1275176 1404928 1457344 1492736 1548428 1665536 1705984 1769632 2231558 2550352 2709749 2809856 2914688 2985472 3096856 3331072 3411968 3539264 4463116 5100704 5419498 5829376 5970944 6193712 6662144 6823936 7078528 8926232 10201408 10838996 11658752 11941888 12387424 13324288 14157056 17852464 18968243 20402816 21677992 23317504 23883776 24774848 26648576 28314112 35704928 37936486 40805632 43355984 46635008 47767552 49549696 56628224 71409856 75872972 81611264 86711968 93270016 99099392 113256448 142819712 151745944 163222528 173423936 186540032 198198784 226512896 285639424 303491888 326445056 346847872 396397568 453025792 571278848 606983776 652890112 693695744 792795136 1142557696 1213967552 1305780224 1387391488 1585590272 2285115392 2427935104 2774782976 3171180544 4570230784 4855870208 5549565952 9140461568 9711740416 11099131904 19423480832 22198263808 38846961664 77693923328 155387846656
• Sum of all divisors σ(n): 383834030400
• Sum of proper divisors (its aliquot sum) s(n): 228446183744
• 155387846656 is an abundant number, because the sum of its proper divisors (228446183744) is greater than itself. Its abundance is 73058337088

Bases of 155387846656

• Binary: 10010000101101110101100110000000000000₂
• Hexadecimal: 0x242DD66000
• Base-36: 1ZDTWTTS

Squares and roots of 155387846656

• 155387846656 squared (155387846656²) is 24145382888388570382336
• 155387846656 cubed (155387846656³) is 3751899053711329537513489659068416
• The square root of 155387846656 is 394192.6517021849
• The cube root of 155387846656 is 5376.1620321533

Scales and comparisons

• 155,387,846,656 seconds is equal to 4,940 years, 44 weeks, 2 days, 10 hours, 44 minutes, 16 seconds.
• To count from 1 to 155,387,846,656 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 155387846656 cubic inches would be around 448 feet tall.

Recreational maths with 155387846656

• 155387846656 backwards is 656648783551
• 155387846656 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155387846656's digits is 64
• More coming soon!