1998928309680

Names of 1998928309680

• Cardinal: 1998928309680 can be written as One trillion, nine hundred ninety-eight billion, nine hundred twenty-eight million, three hundred nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.99892830968 × 10¹²

Factors of 1998928309680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 35930

Divisors of 1998928309680

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 81 90 108 120 135 144 162 180 216 240 270 324 360 405 432 540 648 720 810 1080 1296 1620 2160 3240 6480 14207 21713 28414 42621 43426 56828 65139 71035 85242 86852 108565 113656 127863 130278 142070 170484 173704 195417 213105 217130 227312 255726 260556 284140 325695 340968 347408 383589 390834 426210 434260 511452 521112 568280 586251 639315 651390 681936 767178 781668 852420 868520 977085 1022904 1042224 1136560 1150767 1172502 1278630 1302780 1534356 1563336 1704840 1737040 1758753 1917945 1954170 2045808 2301534 2345004 2557260 2605560 2931255 3068712 3126672 3409680 3517506 3835890 3908340 4603068 4690008 5114520 5211120 5753835 5862510 6137424 7035012 7671780 7816680 8793765 9206136 9380016 10229040 11507670 11725020 14070024 15343560 15633360 17587530 18412272 23015340 23450040 28140048 30687120 35175060 46030680 46900080 70350120 92061360 140700240 308476591 616953182 925429773 1233906364 1542382955 1850859546 2467812728 2776289319 3084765910 3701719092 4627148865 4935625456 5552578638 6169531820 7403438184 8328867957 9254297730 11105157276 12339063640 13881446595 14806876368 16657735914 18508595460 22210314552 24678127280 24986603871 27762893190 33315471828 37017190920 41644339785 44420629104 49973207742 55525786380 66630943656 74034381840 83288679570 99946415484 111051572760 124933019355 133261887312 166577359140 199892830968 222103145520 249866038710 333154718280 399785661936 499732077420 666309436560 999464154840 1998928309680
• Sum of all divisors σ(n): 6943382595072
• Sum of proper divisors (its aliquot sum) s(n): 4944454285392
• 1998928309680 is an abundant number, because the sum of its proper divisors (4944454285392) is greater than itself. Its abundance is 2945525975712

Bases of 1998928309680

• Binary: 11101000101101001011010010110110110110000₂
• Hexadecimal: 0x1D169696DB0
• Base-36: PIAMAZ00

Squares and roots of 1998928309680

• 1998928309680 squared (1998928309680²) is 3995714387240141981702400
• 1998928309680 cubed (1998928309680³) is 7987146606049993971727583920799232000
• The square root of 1998928309680 is 1413834.6118552905
• The cube root of 1998928309680 is 12596.9596882169

Scales and comparisons

• 1,998,928,309,680 seconds is equal to 63,559 years, 38 weeks, 2 days, 7 hours, 48 minutes.
• To count from 1 to 1,998,928,309,680 would take you about one hundred fifty-eight thousand, eight hundred ninety-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 1998928309680 cubic inches would be around 1049.7 feet tall.

Recreational maths with 1998928309680

• 1998928309680 backwards is 0869038298991
• 1998928309680 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1998928309680's digits is 72
• More coming soon!