28997488520

Names of 28997488520

• Cardinal: 28997488520 can be written as Twenty-eight billion, nine hundred ninety-seven million, four hundred eighty-eight thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.899748852 × 10¹⁰

Factors of 28997488520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 682

Divisors of 28997488520

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 20 22 26 28 35 40 44 49 52 55 56 65 70 77 88 91 98 104 110 130 140 143 154 182 196 220 245 260 280 286 307 308 337 364 385 392 440 455 490 520 539 572 614 616 637 674 715 728 770 910 980 1001 1078 1144 1228 1274 1348 1430 1535 1540 1685 1820 1960 2002 2149 2156 2359 2456 2548 2695 2696 2860 3070 3080 3185 3370 3377 3640 3707 3991 4004 4298 4312 4381 4718 5005 5096 5390 5720 6140 6370 6740 6754 7007 7414 7982 8008 8596 8762 9436 10010 10745 10780 11795 12280 12740 13480 13508 14014 14828 15043 15964 16513 16885 17192 17524 18535 18872 19955 20020 21490 21560 21905 23590 23639 25480 25949 27016 27937 28028 29656 30086 30667 31928 33026 33770 35035 35048 37070 39910 40040 42980 43810 43901 47180 47278 48191 51898 55874 56056 60172 61334 66052 67540 70070 74140 75215 79820 82565 85960 87620 87802 94360 94556 96382 103459 103796 111748 118195 120344 122668 129745 132104 135080 139685 140140 148280 150430 153335 159640 165130 165473 175240 175604 181643 189112 192764 195559 206918 207592 214669 219505 223496 236390 240955 245336 259490 279370 280280 300860 306670 307307 330260 330946 337337 351208 363286 385528 391118 413836 429338 439010 472780 481910 517295 518980 558740 601720 613340 614614 660520 661892 674674 724213 726572 782236 827365 827672 858676 878020 908215 945560 963820 977795 1034590 1037960 1073345 1117480 1138049 1226680 1229228 1323784 1344967 1349348 1448426 1453144 1536535 1564472 1654730 1686685 1717352 1756040 1816430 1927640 1955590 2069180 2146690 2151149 2276098 2361359 2458456 2689934 2698696 2896852 3073070 3309460 3373370 3621065 3632860 3911180 4138360 4293380 4302298 4552196 4722718 5069491 5379868 5690245 5793704 6146140 6618920 6724835 6746740 7242130 7265720 7822360 7966343 8586760 8604596 9104392 9414769 9445436 10138982 10755745 10759736 11380490 11806795 12292280 13449670 13493480 14484260 14794637 15932686 17209192 18829538 18890872 20277964 21511490 22760980 23613590 25347455 26899340 28968520 29589274 31865372 37659076 39831715 40555928 43022980 45521960 47073845 47227180 50694910 53798680 55764401 59178548 63730744 65903383 73973185 75318152 79663430 86045960 94147690 94454360 101389820 103562459 111528802 118357096 131806766 147946370 159326860 188295380 202779640 207124918 223057604 263613532 278822005 295892740 318653720 329516915 376590760 414249836 446115208 517812295 527227064 557644010 591785480 659033830 724937213 828499672 1035624590 1115288020 1318067660 1449874426 2071249180 2230576040 2636135320 2899748852 3624686065 4142498360 5799497704 7249372130 14498744260 28997488520
• Sum of all divisors σ(n): 89720991360
• Sum of proper divisors (its aliquot sum) s(n): 60723502840
• 28997488520 is an abundant number, because the sum of its proper divisors (60723502840) is greater than itself. Its abundance is 31726014320

Bases of 28997488520

• Binary: 11011000000011000101000111110001000₂
• Hexadecimal: 0x6C0628F88
• Base-36: DBKCTC8

Squares and roots of 28997488520

• 28997488520 squared (28997488520²) is 840854340467531790400
• 28997488520 cubed (28997488520³) is 24382664084699424524859046208000
• The square root of 28997488520 is 170286.4895404213
• The cube root of 28997488520 is 3072.2281327547

Scales and comparisons

• 28,997,488,520 seconds is equal to 922 years, 1 week, 4 days, 1 hour, 55 minutes, 20 seconds.
• To count from 1 to 28,997,488,520 would take you about one thousand, eight hundred forty-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 28997488520 cubic inches would be around 256 feet tall.

Recreational maths with 28997488520

• 28997488520 backwards is 02588479982
• The number of decimal digits it has is: 11
• The sum of 28997488520's digits is 62
• More coming soon!