1989808613520

Names of 1989808613520

• Cardinal: 1989808613520 can be written as One trillion, nine hundred eighty-nine billion, eight hundred eight million, six hundred thirteen thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.98980861352 × 10¹²

Factors of 1989808613520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1248164

Divisors of 1989808613520

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 35 39 40 42 48 52 56 60 65 70 73 78 80 84 91 104 105 112 120 130 140 146 156 168 182 195 208 210 219 240 260 273 280 292 312 336 364 365 390 420 438 455 511 520 546 560 584 624 728 730 780 840 876 910 949 1022 1040 1092 1095 1168 1365 1456 1460 1533 1560 1680 1752 1820 1898 2044 2184 2190 2555 2730 2847 2920 3066 3120 3504 3640 3796 4088 4368 4380 4745 5110 5460 5694 5840 6132 6643 7280 7592 7665 8176 8760 9490 10220 10920 11388 12264 13286 14235 15184 15330 17520 18980 19929 20440 21840 22776 24528 26572 28470 30660 33215 37960 39858 40880 45552 53144 56940 61320 66430 75920 79716 99645 106288 113880 122640 132860 159432 199290 227760 265720 318864 398580 531440 797160 1248061 1594320 2496122 3744183 4992244 6240305 7488366 8736427 9984488 12480610 14976732 16224793 17472854 18720915 19968976 24961220 26209281 29953464 32449586 34945708 37441830 43682135 48674379 49922440 52418562 59906928 64899172 69891416 74883660 81123965 87364270 91108453 97348758 99844880 104837124 113573551 129798344 131046405 139782832 149767320 162247930 174728540 182216906 194697516 209674248 227147102 243371895 259596688 262092810 273325359 299534640 324495860 340720653 349457080 364433812 389395032 419348496 454294204 455542265 486743790 524185620 546650718 567867755 637759171 648991720 681441306 698914160 728867624 778790064 908588408 911084530 973487580 1048371240 1093301436 1135735510 1184409889 1275518342 1297983440 1362882612 1366626795 1457735248 1703603265 1817176816 1822169060 1913277513 1946975160 2096742480 2186602872 2271471020 2368819778 2551036684 2725765224 2733253590 3188795855 3407206530 3553229667 3644338120 3826555026 3893950320 4373205744 4542942040 4737639556 5102073368 5451530448 5466507180 5922049445 6377591710 6814413060 7106459334 7288676240 7653110052 8290869223 9085884080 9475279112 9566387565 10204146736 10933014360 11844098890 12755183420 13628826120 14212918668 15306220104 16581738446 17766148335 18950558224 19132775130 21866028720 23688197780 24872607669 25510366840 27257652240 28425837336 30612440208 33163476892 35532296670 38265550260 41454346115 47376395560 49745215338 51020733680 56851674672 66326953784 71064593340 76531100520 82908692230 94752791120 99490430676 124363038345 132653907568 142129186680 153062201040 165817384460 198980861352 248726076690 284258373360 331634768920 397961722704 497452153380 663269537840 994904306760 1989808613520
• Sum of all divisors σ(n): 7695889764864
• Sum of proper divisors (its aliquot sum) s(n): 5706081151344
• 1989808613520 is an abundant number, because the sum of its proper divisors (5706081151344) is greater than itself. Its abundance is 3716272537824

Bases of 1989808613520

• Binary: 11100111101001001110101011110100010010000₂
• Hexadecimal: 0x1CF49D5E890
• Base-36: PE3SO8EO

Squares and roots of 1989808613520

• 1989808613520 squared (1989808613520²) is 3959338318438384726790400
• 1989808613520 cubed (1989808613520³) is 7878325489868490564763149823646208000
• The square root of 1989808613520 is 1410605.7611962317
• The cube root of 1989808613520 is 12577.7734748553

Scales and comparisons

• 1,989,808,613,520 seconds is equal to 63,269 years, 39 weeks, 3 days, 6 hours, 52 minutes.
• To count from 1 to 1,989,808,613,520 would take you about one hundred fifty-eight thousand, one hundred seventy-four 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 1989808613520 cubic inches would be around 1048.1 feet tall.

Recreational maths with 1989808613520

• 1989808613520 backwards is 0253168089891
• 1989808613520 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1989808613520's digits is 60
• More coming soon!