30531709728

Names of 30531709728

• Cardinal: 30531709728 can be written as Thirty billion, five hundred thirty-one million, seven hundred nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.0531709728 × 10¹⁰

Factors of 30531709728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 962

Divisors of 30531709728

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 37 39 48 52 54 72 74 78 81 96 104 108 111 117 144 148 156 162 208 216 222 234 243 288 296 312 324 333 351 416 432 444 468 481 486 592 624 648 666 702 729 864 888 907 936 962 972 999 1053 1184 1248 1296 1332 1404 1443 1458 1776 1814 1872 1924 1944 1998 2106 2187 2592 2664 2721 2808 2886 2916 2997 3159 3552 3628 3744 3848 3888 3996 4212 4329 4374 5328 5442 5616 5772 5832 5994 6318 7256 7696 7776 7992 8163 8424 8658 8748 8991 9477 10656 10884 11232 11544 11664 11791 11988 12636 12987 14512 15392 15984 16326 16848 17316 17496 17982 18954 21768 23088 23328 23582 23976 24489 25272 25974 26973 28431 29024 31968 32652 33559 33696 34632 34992 35373 35964 37908 38961 43536 46176 47164 47952 48978 50544 51948 53946 56862 65304 67118 69264 69984 70746 71928 73467 75816 77922 80919 87072 94328 95904 97956 100677 101088 103896 106119 107892 113724 116883 130608 134236 138528 141492 143856 146934 151632 155844 161838 188656 195912 201354 207792 212238 215784 220401 227448 233766 261216 268472 282984 287712 293868 302031 303264 311688 318357 323676 350649 377312 391824 402708 415584 424476 431568 436267 440802 454896 467532 536944 565968 587736 604062 623376 636714 647352 661203 701298 783648 805416 848952 863136 872534 881604 906093 909792 935064 955071 1051947 1073888 1131936 1175472 1208124 1246752 1273428 1294704 1308801 1322406 1402596 1610832 1697904 1745068 1763208 1812186 1870128 1910142 1983609 2103894 2350944 2416248 2546856 2589408 2617602 2644812 2718279 2805192 2865213 3221664 3395808 3490136 3526416 3624372 3740256 3820284 3926403 3967218 4207788 4832496 5093712 5235204 5289624 5436558 5610384 5730426 6980272 7052832 7248744 7640568 7852806 7934436 8154837 8415576 8595639 9664992 10187424 10470408 10579248 10873116 11220768 11460852 11779209 13960544 14497488 15281136 15705612 15868872 16309674 16831152 17191278 20940816 21158496 21746232 22921704 23558418 24464511 25786917 28994976 30562272 31411224 31737744 32619348 33662304 34382556 35337627 41881632 43492464 45843408 47116836 48929022 51573834 62822448 63475488 65238696 68765112 70675254 73393533 86984928 91686816 94233672 97858044 103147668 106012881 125644896 130477392 137530224 141350508 146787066 188467344 195716088 206295336 212025762 260954784 275060448 282701016 293574132 318038643 376934688 391432176 412590672 424051524 565402032 587148264 636077286 782864352 825181344 848103048 954115929 1130804064 1174296528 1272154572 1696206096 1908231858 2348593056 2544309144 3392412192 3816463716 5088618288 7632927432 10177236576 15265854864 30531709728
• Sum of all divisors σ(n): 99818691840
• Sum of proper divisors (its aliquot sum) s(n): 69286982112
• 30531709728 is an abundant number, because the sum of its proper divisors (69286982112) is greater than itself. Its abundance is 38755272384

Bases of 30531709728

• Binary: 11100011011110101001110101100100000₂
• Hexadecimal: 0x71BD4EB20
• Base-36: E0XSI00

Squares and roots of 30531709728

• 30531709728 squared (30531709728²) is 932185298914849833984
• 30531709728 cubed (30531709728³) is 28461210959177108519908477796352
• The square root of 30531709728 is 174733.2530687849
• The cube root of 30531709728 is 3125.4822842805

Scales and comparisons

• 30,531,709,728 seconds is equal to 970 years, 42 weeks, 2 days, 6 hours, 28 minutes, 48 seconds.
• To count from 1 to 30,531,709,728 would take you about one thousand, nine hundred forty-one 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 30531709728 cubic inches would be around 260.5 feet tall.

Recreational maths with 30531709728

• 30531709728 backwards is 82790713503
• The number of decimal digits it has is: 11
• The sum of 30531709728's digits is 45
• More coming soon!