3989634968390

Names of 3989634968390

• Cardinal: 3989634968390 can be written as Three trillion, nine hundred eighty-nine billion, six hundred thirty-four million, nine hundred sixty-eight thousand, three hundred ninety.

Scientific notation

• Scientific notation: 3.98963496839 × 10¹²

Factors of 3989634968390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7846

Divisors of 3989634968390

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 19 23 38 46 95 115 127 190 230 254 437 635 874 1093 1270 2185 2186 2413 2921 4370 4826 5465 5842 6577 10930 12065 13154 14605 20767 24130 25139 29210 32885 41534 50278 55499 65770 103835 110998 124963 125695 138811 151271 207670 249926 251390 277495 277622 302542 477641 554990 624815 694055 756355 835279 955282 1249630 1388110 1512710 1670558 2388205 2637409 2874149 3192653 4176395 4776410 5274818 5748298 6385306 7188661 8352790 13187045 14370745 14377322 15870301 15963265 19211417 26374090 28741490 31740602 31926530 35943305 38422834 60660407 71886610 79351505 96057085 121320814 136584559 158703010 165339203 192114170 273169118 303302035 330678406 365016923 606604070 682922795 730033846 826696015 912959947 1365845590 1653392030 1825084615 1825919894 3141444857 3650169230 4564799735 6282889714 9129599470 15707224285 17346238993 20998078781 31414448570 34692477986 41996157562 86731194965 104990393905 173462389930 209980787810 398963496839 797926993678 1994817484195 3989634968390
• Sum of all divisors σ(n): 7958567485440
• Sum of proper divisors (its aliquot sum) s(n): 3968932517050
• 3989634968390 is a deficient number, because the sum of its proper divisors (3968932517050) is less than itself. Its deficiency is 20702451340

Bases of 3989634968390

• Binary: 111010000011101000110001100110101101000110₂
• Hexadecimal: 0x3A0E8C66B46
• Base-36: 1EWT9NFIE

Squares and roots of 3989634968390

• 3989634968390 squared (3989634968390²) is 15917187181000276299192100
• 3989634968390 cubed (3989634968390³) is 63503766575727750541508540066037719000
• The square root of 3989634968390 is 1997407.0612646785
• The cube root of 3989634968390 is 15860.2874411011

Scales and comparisons

• 3,989,634,968,390 seconds is equal to 126,858 years, 2 weeks, 4 days, 15 hours, 39 minutes, 50 seconds.
• To count from 1 to 3,989,634,968,390 would take you about three hundred seventeen thousand, one hundred forty-five 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 3989634968390 cubic inches would be around 1321.7 feet tall.

Recreational maths with 3989634968390

• 3989634968390 backwards is 0938694369893
• The number of decimal digits it has is: 13
• The sum of 3989634968390's digits is 77
• More coming soon!