9897391764

Names of 9897391764

• Cardinal: 9897391764 can be written as Nine billion, eight hundred ninety-seven million, three hundred ninety-one thousand, seven hundred sixty-four.

Scientific notation

• Scientific notation: 9.897391764 × 10⁹

Factors of 9897391764

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 426

Divisors of 9897391764

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 19 26 36 38 39 52 57 61 71 76 78 114 117 122 142 156 171 183 213 228 234 244 247 257 284 342 366 426 468 494 514 549 639 684 732 741 771 793 852 923 988 1028 1098 1159 1278 1349 1482 1542 1586 1846 2196 2223 2313 2318 2379 2556 2698 2769 2964 3084 3172 3341 3477 3692 4047 4331 4446 4626 4636 4758 4883 5396 5538 6682 6954 7137 8094 8307 8662 8892 9252 9516 9766 10023 10431 11076 12141 12993 13364 13908 14274 14649 15067 15677 16188 16614 17324 17537 18247 19532 20046 20862 24282 25986 28548 29298 30069 30134 31354 33228 35074 36494 38979 40092 41724 43947 45201 47031 48564 51972 52611 54741 56303 58596 60138 60268 62708 63479 70148 72988 77958 82289 87894 90402 94062 105222 109482 112606 120276 126958 135603 141093 155916 157833 164223 164578 168909 175788 180804 188124 190437 203801 210444 218964 225212 237211 246867 253916 271206 282186 297863 315666 328446 329156 337818 346693 380874 407602 474422 493734 506727 542412 564372 571311 595726 611403 631332 656892 675636 693386 711633 740601 761748 815204 893589 948844 987468 1013454 1040079 1069757 1113067 1142622 1191452 1222806 1386772 1423266 1481202 1787178 1834209 2026908 2080158 2134899 2139514 2226134 2285244 2445612 2680767 2846532 2962404 3120237 3209271 3339201 3574356 3668418 3872219 4160316 4269798 4279028 4452268 4507009 5361534 6240474 6418542 6678402 7336836 7744438 8539596 9014018 9627813 10017603 10723068 11616657 12480948 12837084 13356804 13521027 14469871 15488876 18028036 19255626 20035206 21148273 23233314 27042054 28939742 34849971 38511252 40070412 40563081 42296546 43409613 46466628 54084108 57879484 63444819 69699942 81126162 84593092 86819226 126889638 130228839 139399884 162252324 173638452 190334457 253779276 260457678 274927549 380668914 520915356 549855098 761337828 824782647 1099710196 1649565294 2474347941 3299130588 4948695882 9897391764
• Sum of all divisors σ(n): 29345621760
• Sum of proper divisors (its aliquot sum) s(n): 19448229996
• 9897391764 is an abundant number, because the sum of its proper divisors (19448229996) is greater than itself. Its abundance is 9550838232

Bases of 9897391764

• Binary: 1001001101111011100011011010010100₂
• Hexadecimal: 0x24DEE3694
• Base-36: 4JONGD0

Squares and roots of 9897391764

• 9897391764 squared (9897391764²) is 97958363730095031696
• 9897391764 cubed (9897391764³) is 969532302397158885645309351744
• The square root of 9897391764 is 99485.6359682141
• The cube root of 9897391764 is 2147.0405840923

Scales and comparisons

• 9,897,391,764 seconds is equal to 314 years, 36 weeks, 5 days, 3 hours, 29 minutes, 24 seconds.
• To count from 1 to 9,897,391,764 would take you about six hundred twenty-nine 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 9897391764 cubic inches would be around 178.9 feet tall.

Recreational maths with 9897391764

• 9897391764 backwards is 4671937989
• The number of decimal digits it has is: 10
• The sum of 9897391764's digits is 63
• More coming soon!