4989901980

Names of 4989901980

• Cardinal: 4989901980 can be written as Four billion, nine hundred eighty-nine million, nine hundred one thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 4.98990198 × 10⁹

Factors of 4989901980

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 967

Divisors of 4989901980

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 19 20 21 23 28 30 31 35 38 42 46 57 60 62 69 70 76 84 92 93 95 105 114 115 124 133 138 140 155 161 186 190 210 217 228 230 266 276 285 310 322 345 372 380 399 420 434 437 460 465 483 532 570 589 620 644 651 665 690 713 798 805 868 874 877 930 966 1085 1140 1178 1302 1311 1330 1380 1426 1596 1610 1748 1754 1767 1860 1932 1995 2139 2170 2185 2356 2415 2604 2622 2631 2660 2852 2945 3059 3220 3255 3508 3534 3565 3990 4123 4278 4340 4370 4385 4830 4991 5244 5262 5890 6118 6139 6510 6555 7068 7130 7980 8246 8556 8740 8770 8835 9177 9660 9982 10524 10695 11780 12236 12278 12369 13020 13110 13155 13547 14260 14973 15295 16492 16663 17540 17670 18354 18417 19964 20171 20615 21390 24556 24738 24955 26220 26310 27094 27187 29946 30590 30695 33326 35340 36708 36834 40342 40641 41230 42780 45885 49476 49910 49989 52620 54188 54374 59892 60513 61180 61390 61845 66652 67735 73668 74865 80684 81282 81561 82460 83315 91770 92085 94829 99820 99978 100855 108748 116641 121026 122780 123690 135470 135935 141197 149730 162564 163122 166630 183540 184170 189658 190309 199956 201710 203205 233282 242052 247380 249945 270940 271870 282394 284487 299460 302565 326244 333260 349923 368340 379316 380618 383249 403420 406410 407805 423591 466564 474145 499890 516553 543740 564788 568974 570927 583205 605130 625301 699846 705985 761236 766498 812820 815610 847182 948290 951545 999780 1033106 1137948 1141854 1149747 1166410 1210260 1250602 1399692 1411970 1422435 1532996 1549659 1631220 1694364 1749615 1875903 1896580 1903090 1916245 2066212 2117955 2283708 2299494 2332820 2501204 2582765 2682743 2823940 2844870 2854635 3099318 3126505 3499230 3615871 3751806 3806180 3832490 4235910 4377107 4598988 5165530 5365486 5689740 5709270 5748735 6198636 6253010 6998460 7231742 7503612 7664980 7748295 8048229 8471820 8754214 9379515 10331060 10730972 10847613 11418540 11497470 11880719 12506020 13131321 13413715 14463484 15496590 16096458 17508428 18079355 18759030 21695226 21885535 22994940 23761438 26262642 26827430 30993180 32192916 35642157 36158710 37518060 40241145 43390452 43771070 47522876 52525284 53654860 54238065 59403595 65656605 71284314 72317420 80482290 83165033 87542140 108476130 118807190 131313210 142568628 160964580 166330066 178210785 216952260 237614380 249495099 262626420 332660132 356421570 415825165 498990198 712843140 831650330 997980396 1247475495 1663300660 2494950990 4989901980
• Sum of all divisors σ(n): 18125291520
• Sum of proper divisors (its aliquot sum) s(n): 13135389540
• 4989901980 is an abundant number, because the sum of its proper divisors (13135389540) is greater than itself. Its abundance is 8145487560

Bases of 4989901980

• Binary: 100101001011010111101110010011100₂
• Hexadecimal: 0x1296BDC9C
• Base-36: 2AIUX0C

Squares and roots of 4989901980

• 4989901980 squared (4989901980²) is 24899121770007920400
• 4989901980 cubed (4989901980³) is 124244177020423626619642392000
• The square root of 4989901980 is 70639.2382461759
• The cube root of 4989901980 is 1708.8240127575

Scales and comparisons

• 4,989,901,980 seconds is equal to 158 years, 34 weeks, 3 days, 11 hours, 53 minutes.
• To count from 1 to 4,989,901,980 would take you about three hundred seventeen 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 4989901980 cubic inches would be around 142.4 feet tall.

Recreational maths with 4989901980

• 4989901980 backwards is 0891099894
• 4989901980 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 4989901980's digits is 57
• More coming soon!