389493744128

Names of 389493744128

• Cardinal: 389493744128 can be written as Three hundred eighty-nine billion, four hundred ninety-three million, seven hundred forty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 3.89493744128 × 10¹¹

Factors of 389493744128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 687

Divisors of 389493744128

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 16 32 64 97 128 131 194 256 262 388 457 512 524 776 914 1048 1552 1828 2096 3104 3656 4192 6208 7312 8384 12416 12707 14624 16768 17161 24832 25414 29248 33536 34322 44329 49664 50828 58496 59867 67072 68644 88658 101656 116992 119734 137288 177316 203312 233984 239468 274576 354632 406624 478936 549152 709264 813248 957872 1098304 1418528 1626496 1664617 1915744 2196608 2837056 3252992 3329234 3831488 4393216 5674112 5807099 6505984 6658468 7662976 7842577 8786432 11348224 11614198 13316936 15325952 15685154 22696448 23228396 26633872 30651904 31370308 46456792 53267744 62740616 92913584 106535488 125481232 185827168 213070976 250962464 371654336 426141952 501924928 743308672 760729969 852283904 1003849856 1486617344 1521459938 2007699712 2973234688 3042919876 4015399424 6085839752 12171679504 24343359008 48686718016 97373436032 194746872064 389493744128
• Sum of all divisors σ(n): 794031129276
• Sum of proper divisors (its aliquot sum) s(n): 404537385148
• 389493744128 is an abundant number, because the sum of its proper divisors (404537385148) is greater than itself. Its abundance is 15043641020

Bases of 389493744128

• Binary: 101101010101111101000101110001000000000₂
• Hexadecimal: 0x5AAFA2E200
• Base-36: 4YXIIOE8

Squares and roots of 389493744128

• 389493744128 squared (389493744128²) is 151705376714847934480384
• 389493744128 cubed (389493744128³) is 59088295181014830610931994331185152
• The square root of 389493744128 is 624094.3391251037
• The cube root of 389493744128 is 7302.9808563769

Scales and comparisons

• 389,493,744,128 seconds is equal to 12,384 years, 36 weeks, 1 day, 10 hours, 42 minutes, 8 seconds.
• To count from 1 to 389,493,744,128 would take you about twenty-four thousand, seven hundred sixty-nine 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 389493744128 cubic inches would be around 608.6 feet tall.

Recreational maths with 389493744128

• 389493744128 backwards is 821447394983
• The number of decimal digits it has is: 12
• The sum of 389493744128's digits is 62
• More coming soon!