3988639980

Names of 3988639980

• Cardinal: 3988639980 can be written as Three billion, nine hundred eighty-eight million, six hundred thirty-nine thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 3.98863998 × 10⁹

Factors of 3988639980

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 212

Divisors of 3988639980

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 19 20 26 30 36 38 39 45 52 57 60 65 67 76 78 90 95 103 114 117 130 134 156 169 171 180 190 195 201 206 228 234 247 260 268 285 309 335 338 342 380 390 402 412 468 494 507 515 570 585 603 618 670 676 684 741 780 804 845 855 871 927 988 1005 1014 1030 1140 1170 1206 1235 1236 1273 1339 1340 1482 1521 1545 1690 1710 1742 1854 1957 2010 2028 2060 2223 2340 2412 2470 2535 2546 2613 2678 2964 3015 3042 3090 3211 3380 3420 3484 3705 3708 3819 3914 4017 4020 4355 4446 4635 4940 5070 5092 5226 5356 5871 6030 6084 6180 6365 6422 6695 6901 7410 7605 7638 7828 7839 8034 8710 8892 9270 9633 9785 10140 10452 11115 11323 11457 11742 12051 12060 12730 12844 13065 13390 13802 14820 15210 15276 15678 16055 16068 16549 17407 17420 17613 18540 19095 19266 19570 20085 20703 22230 22646 22914 23484 24102 25441 25460 26130 26780 27604 28899 29355 30420 31356 32110 33098 33969 34505 34814 35226 38190 38532 39140 39195 40170 41406 44460 45292 45828 48165 48204 49647 50882 52221 52260 56615 57285 57798 58710 60255 62109 64220 66196 67938 69010 69628 70452 76323 76380 78390 80340 82745 82812 87035 88065 89713 96330 99294 101764 101907 103515 104442 113230 114570 115596 117420 120510 124218 127205 131119 135876 138020 144495 148941 152646 156663 156780 165490 169845 174070 176130 179426 192660 198588 203814 207030 208884 215137 226460 228969 229140 241020 248235 248436 254410 261105 262238 269139 288990 297882 305292 310545 313326 330733 330980 339690 348140 352260 358852 381615 393357 407628 414060 430274 448565 457938 496470 508820 509535 522210 524476 538278 577980 595764 621090 626652 645411 655595 661466 679380 744705 763230 783315 786714 807417 860548 897130 915876 992199 992940 1019070 1044420 1075685 1076556 1144845 1166269 1180071 1242180 1290822 1311190 1322932 1345695 1489410 1526460 1566630 1573428 1614834 1653665 1704547 1794260 1936233 1966785 1984398 2038140 2151370 2289690 2332538 2360142 2581644 2622380 2691390 2976597 2978820 3133260 3227055 3229668 3307330 3409094 3498807 3872466 3933570 3968796 4037085 4302740 4579380 4665076 4720284 4960995 5113641 5382780 5831345 5900355 5953194 6454110 6614660 6818188 6997614 7744932 7867140 8074170 8522735 9681165 9921990 10227282 10496421 11662690 11800710 11906388 12908220 13995228 14882985 15340923 16148340 17045470 17494035 19362330 19843980 20454564 20992842 22159111 23325380 23601420 25568205 29765970 30681846 34090940 34988070 38724660 41985684 44318222 51136410 52482105 59531940 61363692 66477333 69976140 76704615 88636444 102272820 104964210 110795555 132954666 153409230 199431999 209928420 221591110 265909332 306818460 332386665 398863998 443182220 664773330 797727996 997159995 1329546660 1994319990 3988639980
• Sum of all divisors σ(n): 14132401920
• Sum of proper divisors (its aliquot sum) s(n): 10143761940
• 3988639980 is an abundant number, because the sum of its proper divisors (10143761940) is greater than itself. Its abundance is 6155121960

Bases of 3988639980

• Binary: 11101101101111011101000011101100₂
• Hexadecimal: 0xEDBDD0EC
• Base-36: 1TYQEB0

Squares and roots of 3988639980

• 3988639980 squared (3988639980²) is 15909248890054400400
• 3988639980 cubed (3988639980³) is 63456266174641605810367992000
• The square root of 3988639980 is 63155.6805046069
• The cube root of 3988639980 is 1585.8968848127

Scales and comparisons

• 3,988,639,980 seconds is equal to 126 years, 42 weeks, 6 days, 19 hours, 33 minutes.
• To count from 1 to 3,988,639,980 would take you about two hundred fifty-three 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 3988639980 cubic inches would be around 132.2 feet tall.

Recreational maths with 3988639980

• 3988639980 backwards is 0899368893
• The number of decimal digits it has is: 10
• The sum of 3988639980's digits is 63
• More coming soon!