991143007712

Names of 991143007712

• Cardinal: 991143007712 can be written as Nine hundred ninety-one billion, one hundred forty-three million, seven thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 9.91143007712 × 10¹¹

Factors of 991143007712

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 11625

Divisors of 991143007712

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 32 44 52 71 88 104 142 143 176 208 271 284 286 352 416 542 568 572 781 923 1084 1136 1144 1562 1846 2168 2272 2288 2981 3124 3523 3692 4336 4576 5962 6248 7046 7384 8672 10153 11257 11924 12496 14092 14768 19241 20306 22514 23848 24992 28184 29536 38482 38753 40612 45028 47696 56368 76964 77506 81224 90056 95392 112736 123827 146341 153928 155012 162448 180112 211651 247654 250133 292682 307856 310024 324896 360224 423302 495308 500266 585364 615712 620048 799247 846604 990616 1000532 1170728 1240096 1598494 1609751 1693208 1981232 2001064 2341456 2751463 3050647 3196988 3219502 3386416 3962464 4002128 4682912 5502926 6101294 6393976 6439004 6772832 8004256 8791717 10390211 11005852 12202588 12787952 12878008 17583434 20780422 22011704 24405176 25575904 25756016 33557117 35166868 39658411 41560844 44023408 48810352 51512032 67114234 70333736 79316822 83121688 88046816 97620704 114292321 134228468 140667472 158633644 166243376 216595937 228584642 268456936 281334944 317267288 332486752 433191874 436242521 457169284 536913872 634534576 866383748 872485042 914338568 1073827744 1269069152 1732767496 1744970084 1828677136 2382555307 2815747181 3465534992 3489940168 3657354272 4765110614 5631494362 6931069984 6979880336 9530221228 11262988724 13959760672 19060442456 22525977448 30973218991 38120884912 45051954896 61946437982 76241769824 90103909792 123892875964 247785751928 495571503856 991143007712
• Sum of all divisors σ(n): 2333525096448
• Sum of proper divisors (its aliquot sum) s(n): 1342382088736
• 991143007712 is an abundant number, because the sum of its proper divisors (1342382088736) is greater than itself. Its abundance is 351239081024

Bases of 991143007712

• Binary: 1110011011000100101110100001010111100000₂
• Hexadecimal: 0xE6C4BA15E0
• Base-36: CNBOYFA8

Squares and roots of 991143007712

• 991143007712 squared (991143007712²) is 982364461736389691474944
• 991143007712 cubed (991143007712³) is 973663667274785216888587721646768128
• The square root of 991143007712 is 995561.6544001683
• The cube root of 991143007712 is 9970.3890983671

Scales and comparisons

• 991,143,007,712 seconds is equal to 31,515 years, 14 weeks, 4 days, 14 hours, 8 minutes, 32 seconds.
• To count from 1 to 991,143,007,712 would take you about sixty-three thousand and thirty 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 991143007712 cubic inches would be around 830.9 feet tall.

Recreational maths with 991143007712

• 991143007712 backwards is 217700341199
• 991143007712 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 991143007712's digits is 44
• More coming soon!