642911849472

Names of 642911849472

• Cardinal: 642911849472 can be written as Six hundred forty-two billion, nine hundred eleven million, eight hundred forty-nine thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 6.42911849472 × 10¹¹

Factors of 642911849472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1083

Divisors of 642911849472

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 59 64 96 118 128 177 192 236 256 354 384 472 512 708 768 944 1019 1024 1416 1536 1888 2038 2832 3057 3072 3481 3776 4076 5664 6114 6962 7552 8152 10443 11328 12228 13924 15104 16304 20886 22656 24456 27848 30208 32608 41772 45312 48912 55696 60121 60416 65216 83544 90624 97824 111392 120242 130432 167088 180363 181248 195648 205379 222784 240484 260864 334176 360726 391296 410758 445568 480968 521728 616137 668352 721452 782592 821516 891136 961936 1043456 1232274 1336704 1442904 1565184 1643032 1782272 1923872 2464548 2673408 2885808 3130368 3286064 3547139 3564544 3847744 4929096 5346816 5771616 6572128 7094278 7695488 9858192 10641417 10693632 11543232 13144256 14188556 15390976 19716384 21282834 23086464 26288512 28377112 30781952 39432768 42565668 46172928 52577024 56754224 61563904 78865536 85131336 92345856 105154048 113508448 157731072 170262672 184691712 209281201 210308096 227016896 315462144 340525344 418562402 454033792 627843603 630924288 681050688 837124804 908067584 1255687206 1362101376 1674249608 1816135168 2511374412 2724202752 3348499216 3632270336 5022748824 5448405504 6696998432 10045497648 10896811008 13393996864 20090995296 26787993728 40181990592 53575987456 80363981184 107151974912 160727962368 214303949824 321455924736 642911849472
• Sum of all divisors σ(n): 1744849699200
• Sum of proper divisors (its aliquot sum) s(n): 1101937849728
• 642911849472 is an abundant number, because the sum of its proper divisors (1101937849728) is greater than itself. Its abundance is 459026000256

Bases of 642911849472

• Binary: 1001010110110000100010000100110000000000₂
• Hexadecimal: 0x95B0884C00
• Base-36: 87CL45XC

Squares and roots of 642911849472

• 642911849472 squared (642911849472²) is 413335646191507586678784
• 642911849472 cubed (642911849472³) is 265738384745686375651576371424002048
• The square root of 642911849472 is 801817.8405797665
• The cube root of 642911849472 is 8630.7885504221

Scales and comparisons

• 642,911,849,472 seconds is equal to 20,442 years, 31 weeks, 4 days, 8 hours, 51 minutes, 12 seconds.
• To count from 1 to 642,911,849,472 would take you about forty thousand, eight hundred eighty-five 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 642911849472 cubic inches would be around 719.2 feet tall.

Recreational maths with 642911849472

• 642911849472 backwards is 274948119246
• The number of decimal digits it has is: 12
• The sum of 642911849472's digits is 57
• More coming soon!