30978696672

Names of 30978696672

• Cardinal: 30978696672 can be written as Thirty billion, nine hundred seventy-eight million, six hundred ninety-six thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 3.0978696672 × 10¹⁰

Factors of 30978696672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 465672

Divisors of 30978696672

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 42 44 48 54 56 63 66 72 77 84 88 96 99 108 112 126 132 144 154 168 176 189 198 216 224 231 252 264 288 297 308 336 352 378 396 432 462 504 528 594 616 672 693 756 792 864 924 1008 1056 1188 1232 1386 1512 1584 1848 2016 2079 2376 2464 2772 3024 3168 3696 4158 4752 5544 6048 7392 8316 9504 11088 16632 22176 33264 66528 465649 931298 1396947 1862596 2793894 3259543 3725192 4190841 5122139 5587788 6519086 7450384 8381682 9778629 10244278 11175576 12572523 13038172 14900768 15366417 16763364 19557258 20488556 22351152 25145046 26076344 29335887 30732834 33526728 35854973 39114516 40977112 44702304 46099251 50290092 52152688 58671774 61465668 67053456 71709946 78229032 81954224 88007661 92198502 100580184 104305376 107564919 117343548 122931336 134106912 138297753 143419892 156458064 163908448 176015322 184397004 201160368 215129838 234687096 245862672 276595506 286839784 312916128 322694757 352030644 368794008 402320736 430259676 469374192 491725344 553191012 573679568 645389514 704061288 737588016 860519352 938748384 968084271 1106382024 1147359136 1290779028 1408122576 1475176032 1721038704 1936168542 2212764048 2581558056 2816245152 3442077408 3872337084 4425528096 5163116112 7744674168 10326232224 15489348336 30978696672
• Sum of all divisors σ(n): 112650048000
• Sum of proper divisors (its aliquot sum) s(n): 81671351328
• 30978696672 is an abundant number, because the sum of its proper divisors (81671351328) is greater than itself. Its abundance is 50692654656

Bases of 30978696672

• Binary: 11100110110011110010110010111100000₂
• Hexadecimal: 0x7367965E0
• Base-36: E8BWZC0

Squares and roots of 30978696672

• 30978696672 squared (30978696672²) is 959679647495783875584
• 30978696672 cubed (30978696672³) is 29729624702063773080585322856448
• The square root of 30978696672 is 176007.6608332717
• The cube root of 30978696672 is 3140.6608975749

Scales and comparisons

• 30,978,696,672 seconds is equal to 985 years, 1 week, 2 days, 17 hours, 31 minutes, 12 seconds.
• To count from 1 to 30,978,696,672 would take you about one thousand, nine hundred seventy 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 30978696672 cubic inches would be around 261.7 feet tall.

Recreational maths with 30978696672

• 30978696672 backwards is 27669687903
• 30978696672 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30978696672's digits is 63
• More coming soon!