989998613856

Names of 989998613856

• Cardinal: 989998613856 can be written as Nine hundred eighty-nine billion, nine hundred ninety-eight million, six hundred thirteen thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 9.89998613856 × 10¹¹

Factors of 989998613856

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 844

Divisors of 989998613856

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 72 84 96 98 108 112 126 144 147 168 189 191 196 216 224 252 288 294 336 378 382 392 432 441 504 573 588 641 672 756 764 784 864 882 1008 1146 1176 1282 1323 1337 1512 1528 1568 1719 1764 1923 2016 2292 2352 2564 2646 2674 3024 3056 3438 3528 3846 4011 4487 4584 4704 5128 5157 5292 5348 5769 6048 6112 6876 7056 7692 8022 8974 9168 9359 10256 10314 10584 10696 11538 12033 13461 13752 14112 15384 16044 17307 17948 18336 18718 20512 20628 21168 21392 23076 24066 26922 27504 28077 30768 31409 32088 34614 35896 36099 36481 37436 40383 41256 42336 42784 46152 48132 53844 55008 56154 61536 62818 64176 69228 71792 72198 72962 74872 80766 82512 84231 92304 94227 96264 107688 109443 112308 121149 122431 125636 128352 138456 143584 144396 145924 149744 161532 165024 168462 184608 188454 192528 215376 218886 224616 242298 244862 251272 252693 255367 276912 282681 288792 291848 299488 323064 328329 336924 367293 376908 385056 430752 437772 449232 484596 489724 502544 505386 510734 553824 565362 577584 583696 646128 656658 673848 734586 753816 766101 848043 857017 875544 898464 969192 979448 984987 1005088 1010772 1021468 1101879 1130724 1155168 1167392 1292256 1313316 1347696 1469172 1507632 1532202 1696086 1714034 1751088 1787569 1938384 1958896 1969974 2021544 2042936 2203758 2261448 2298303 2571051 2626632 2695392 2938344 3015264 3064404 3305637 3392172 3428068 3502176 3575138 3876768 3917792 3939948 4043088 4085872 4407516 4522896 4596606 5142102 5253264 5362707 5876688 5999119 6128808 6611274 6784344 6856136 6894909 7150276 7713153 7879896 8086176 8171744 8815032 9045792 9193212 10284204 10506528 10725414 11753376 11998238 12257616 13222548 13568688 13712272 13789818 14300552 15426306 15759792 16088121 17630064 17997357 18386424 20568408 21450828 23139459 23384321 23996476 24515232 26445096 27137376 27424544 27579636 28601104 30852612 31519584 32176242 35260128 35994714 36772848 41136816 42901656 46278918 46768642 47992952 48264363 52890192 53992071 55159272 57202208 61705224 64352484 70152963 71989428 73545696 82273632 85803312 92557836 93537284 95985904 96528726 105780384 107984142 110318544 123410448 128704968 140305926 143978856 161976213 163690247 171606624 185115672 187074568 191971808 193057452 210458889 215968284 220637088 246820896 257409936 280611852 287957712 323952426 327380494 370231344 374149136 386114904 420917778 431936568 491070741 514819872 561223704 575915424 631376667 647904852 654760988 740462688 748298272 772229808 841835556 863873136 982141482 1122447408 1145831729 1262753334 1295809704 1309521976 1473212223 1544459616 1683671112 1727746272 1964282964 2244894816 2291663458 2525506668 2591619408 2619043952 2946424446 3367342224 3437495187 3928565928 4419636669 4583326916 5051013336 5183238816 5238087904 5892848892 6734684448 6874990374 7857131856 8839273338 9166653832 10102026672 10312485561 11785697784 13749980748 15714263712 17678546676 18333307664 20204053344 20624971122 23571395568 27499961496 30937456683 35357093352 36666615328 41249942244 47142791136 54999922992 61874913366 70714186704 82499884488 109999845984 123749826732 141428373408 164999768976 247499653464 329999537952 494999306928 989998613856
• Sum of all divisors σ(n): 3381869640240
• Sum of proper divisors (its aliquot sum) s(n): 2391871026384
• 989998613856 is an abundant number, because the sum of its proper divisors (2391871026384) is greater than itself. Its abundance is 1401872412528

Bases of 989998613856

• Binary: 1110011010000000100001000000010101100000₂
• Hexadecimal: 0xE680840560
• Base-36: CMSRM3C0

Squares and roots of 989998613856

• 989998613856 squared (989998613856²) is 980097255436801395188736
• 989998613856 cubed (989998613856³) is 970294924326503341047215507504726016
• The square root of 989998613856 is 994986.7405428075
• The cube root of 989998613856 is 9966.5502825815

Scales and comparisons

• 989,998,613,856 seconds is equal to 31,478 years, 46 weeks, 3 days, 6 hours, 57 minutes, 36 seconds.
• To count from 1 to 989,998,613,856 would take you about sixty-two thousand, nine hundred fifty-seven 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 989998613856 cubic inches would be around 830.5 feet tall.

Recreational maths with 989998613856

• 989998613856 backwards is 658316899989
• The number of decimal digits it has is: 12
• The sum of 989998613856's digits is 81
• More coming soon!