1989856320

Names of 1989856320

• Cardinal: 1989856320 can be written as One billion, nine hundred eighty-nine million, eight hundred fifty-six thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.98985632 × 10⁹

Factors of 1989856320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1015

Divisors of 1989856320

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 60 64 76 80 95 96 114 120 127 152 160 190 192 228 240 254 285 304 320 380 381 456 480 508 570 608 635 760 762 859 912 960 1016 1140 1216 1270 1520 1524 1718 1824 1905 2032 2280 2413 2540 2577 3040 3048 3436 3648 3810 4064 4295 4560 4826 5080 5154 6080 6096 6872 7239 7620 8128 8590 9120 9652 10160 10308 12065 12192 12885 13744 14478 15240 16321 17180 18240 19304 20320 20616 24130 24384 25770 27488 28956 30480 32642 34360 36195 38608 40640 41232 48260 48963 51540 54976 57912 60960 65284 68720 72390 77216 81605 82464 96520 97926 103080 109093 115824 121920 130568 137440 144780 154432 163210 164928 193040 195852 206160 218186 231648 244815 261136 274880 289560 326420 327279 386080 391704 412320 436372 463296 489630 522272 545465 579120 652840 654558 772160 783408 824640 872744 979260 1044544 1090930 1158240 1305680 1309116 1566816 1636395 1745488 1958520 2072767 2181860 2316480 2611360 2618232 3133632 3272790 3490976 3917040 4145534 4363720 5222720 5236464 6218301 6545580 6981952 7834080 8291068 8727440 10363835 10472928 12436602 13091160 15668160 16582136 17454880 20727670 20945856 24873204 26182320 31091505 33164272 34909760 41455340 49746408 52364640 62183010 66328544 82910680 99492816 104729280 124366020 132657088 165821360 198985632 248732040 331642720 397971264 497464080 663285440 994928160 1989856320
• Sum of all divisors σ(n): 6710476800
• Sum of proper divisors (its aliquot sum) s(n): 4720620480
• 1989856320 is an abundant number, because the sum of its proper divisors (4720620480) is greater than itself. Its abundance is 2730764160

Bases of 1989856320

• Binary: 1110110100110101100110001000000₂
• Hexadecimal: 0x769ACC40
• Base-36: WWPIYO

Squares and roots of 1989856320

• 1989856320 squared (1989856320²) is 3959528174243942400
• 1989856320 cubed (1989856320³) is 7878892161737370006355968000
• The square root of 1989856320 is 44607.8055949853
• The cube root of 1989856320 is 1257.7873993149

Scales and comparisons

• 1,989,856,320 seconds is equal to 63 years, 14 weeks, 17 hours, 52 minutes.
• To count from 1 to 1,989,856,320 would take you about one hundred twenty-six 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 1989856320 cubic inches would be around 104.8 feet tall.

Recreational maths with 1989856320

• 1989856320 backwards is 0236589891
• The number of decimal digits it has is: 10
• The sum of 1989856320's digits is 51
• More coming soon!